./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8fbd99b1bfb27b318d252229087f8d9132096866b72085e8874326b5a6d541b4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:56:12,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:56:12,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-26 11:56:12,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:56:12,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:56:12,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:56:12,349 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:56:12,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:56:12,350 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:56:12,355 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:56:12,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:56:12,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:56:12,357 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:56:12,359 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:56:12,360 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:56:12,360 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:56:12,360 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:56:12,362 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:56:12,363 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:56:12,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:56:12,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:56:12,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:56:12,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:56:12,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:56:12,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:56:12,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:56:12,366 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:56:12,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:56:12,367 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:56:12,368 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:56:12,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:56:12,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:56:12,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:56:12,370 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:56:12,371 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:56:12,371 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_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fbd99b1bfb27b318d252229087f8d9132096866b72085e8874326b5a6d541b4 [2023-11-26 11:56:12,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:56:12,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:56:12,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:56:12,736 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:56:12,737 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:56:12,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i [2023-11-26 11:56:15,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:56:16,264 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:56:16,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i [2023-11-26 11:56:16,281 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/data/c29b15de6/f5a7c9b96c4948818e1677c7406cf48d/FLAGa55979e7f [2023-11-26 11:56:16,299 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/data/c29b15de6/f5a7c9b96c4948818e1677c7406cf48d [2023-11-26 11:56:16,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:56:16,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:56:16,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:16,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:56:16,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:56:16,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:16" (1/1) ... [2023-11-26 11:56:16,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e503468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:16, skipping insertion in model container [2023-11-26 11:56:16,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:16" (1/1) ... [2023-11-26 11:56:16,379 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:56:16,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:16,779 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:56:16,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:16,862 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:56:16,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:16 WrapperNode [2023-11-26 11:56:16,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:16,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:16,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:56:16,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:56:16,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:16" (1/1) ... [2023-11-26 11:56:16,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:16" (1/1) ... [2023-11-26 11:56:16,920 INFO L138 Inliner]: procedures = 110, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 76 [2023-11-26 11:56:16,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:16,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:56:16,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:56:16,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:56:16,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:16" (1/1) ... [2023-11-26 11:56:16,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:16" (1/1) ... [2023-11-26 11:56:16,952 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:16" (1/1) ... [2023-11-26 11:56:16,966 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [6, 5, 3]. 43 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0]. The 5 writes are split as follows [3, 1, 1]. [2023-11-26 11:56:16,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:16" (1/1) ... [2023-11-26 11:56:16,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:16" (1/1) ... [2023-11-26 11:56:16,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:16" (1/1) ... [2023-11-26 11:56:16,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:16" (1/1) ... [2023-11-26 11:56:16,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:16" (1/1) ... [2023-11-26 11:56:16,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:16" (1/1) ... [2023-11-26 11:56:16,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:56:16,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:56:16,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:56:16,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:56:16,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:16" (1/1) ... [2023-11-26 11:56:17,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:17,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:17,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:17,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:56:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:56:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:56:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:56:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:56:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:56:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:56:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:56:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:56:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:56:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:56:17,253 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:56:17,256 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:56:17,458 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:56:17,472 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:56:17,472 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:56:17,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:17 BoogieIcfgContainer [2023-11-26 11:56:17,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:56:17,475 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:56:17,476 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:56:17,481 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:56:17,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:56:17,487 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:56:16" (1/3) ... [2023-11-26 11:56:17,488 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6aeca7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:56:17, skipping insertion in model container [2023-11-26 11:56:17,489 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:56:17,490 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:16" (2/3) ... [2023-11-26 11:56:17,490 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6aeca7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:56:17, skipping insertion in model container [2023-11-26 11:56:17,492 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:56:17,492 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:17" (3/3) ... [2023-11-26 11:56:17,494 INFO L332 chiAutomizerObserver]: Analyzing ICFG GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i [2023-11-26 11:56:17,566 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:56:17,567 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:56:17,567 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:56:17,567 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:56:17,567 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:56:17,568 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:56:17,569 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:56:17,569 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:56:17,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:17,597 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:56:17,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:17,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:17,604 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-26 11:56:17,604 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:56:17,604 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:56:17,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:17,608 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:56:17,608 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:17,608 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:17,609 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-26 11:56:17,609 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:56:17,618 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 9#L552true assume !main_#t~short9#1; 10#L552-2true assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#0(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 6#L556-2true [2023-11-26 11:56:17,619 INFO L750 eck$LassoCheckResult]: Loop: 6#L556-2true call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 13#L555-1true assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 4#L555-3true assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 5#L556true assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 6#L556-2true [2023-11-26 11:56:17,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:17,627 INFO L85 PathProgramCache]: Analyzing trace with hash 925671, now seen corresponding path program 1 times [2023-11-26 11:56:17,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:17,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767011553] [2023-11-26 11:56:17,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:17,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:17,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:17,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:17,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767011553] [2023-11-26 11:56:17,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767011553] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:17,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:17,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:17,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522761824] [2023-11-26 11:56:17,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:17,999 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:56:18,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:18,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1419305, now seen corresponding path program 1 times [2023-11-26 11:56:18,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:18,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518885473] [2023-11-26 11:56:18,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:18,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:18,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:18,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:18,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:18,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:18,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:18,463 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:18,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:18,491 INFO L93 Difference]: Finished difference Result 14 states and 18 transitions. [2023-11-26 11:56:18,492 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 18 transitions. [2023-11-26 11:56:18,494 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:56:18,497 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 8 states and 10 transitions. [2023-11-26 11:56:18,498 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-26 11:56:18,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-26 11:56:18,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2023-11-26 11:56:18,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:18,499 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2023-11-26 11:56:18,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2023-11-26 11:56:18,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-26 11:56:18,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:18,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2023-11-26 11:56:18,527 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2023-11-26 11:56:18,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:18,533 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2023-11-26 11:56:18,533 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:56:18,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2023-11-26 11:56:18,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:56:18,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:18,536 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:18,536 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-26 11:56:18,536 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:56:18,537 INFO L748 eck$LassoCheckResult]: Stem: 40#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 41#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 43#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 36#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#0(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 37#L556-2 [2023-11-26 11:56:18,537 INFO L750 eck$LassoCheckResult]: Loop: 37#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 42#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 38#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 39#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 37#L556-2 [2023-11-26 11:56:18,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:18,538 INFO L85 PathProgramCache]: Analyzing trace with hash 925609, now seen corresponding path program 1 times [2023-11-26 11:56:18,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:18,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242966265] [2023-11-26 11:56:18,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:18,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:18,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:18,666 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:18,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:18,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1419305, now seen corresponding path program 2 times [2023-11-26 11:56:18,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:18,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10816751] [2023-11-26 11:56:18,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:18,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:18,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:18,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:18,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:18,712 INFO L85 PathProgramCache]: Analyzing trace with hash 121353169, now seen corresponding path program 1 times [2023-11-26 11:56:18,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:18,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690429538] [2023-11-26 11:56:18,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:18,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:18,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:18,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:20,159 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:56:20,160 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:56:20,160 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:56:20,160 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:56:20,160 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:56:20,160 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:20,160 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:56:20,160 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:56:20,161 INFO L133 ssoRankerPreferences]: Filename of dumped script: GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i_Iteration2_Lasso [2023-11-26 11:56:20,161 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:56:20,161 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:56:20,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,890 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,902 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,905 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,917 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,934 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,938 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,940 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,944 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:20,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:21,503 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:56:21,508 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:56:21,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:21,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:21,513 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:21,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:21,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:56:21,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:21,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:21,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:21,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:21,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:21,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:21,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:21,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:21,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:21,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:21,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:21,567 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:21,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:21,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:56:21,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:21,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:21,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:21,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:21,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:21,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:21,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:21,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:21,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:21,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:21,633 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:21,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:21,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:21,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:21,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:21,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:21,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:56:21,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:21,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:21,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:21,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:21,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:21,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:21,701 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:21,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:21,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:21,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:21,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:21,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:21,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:56:21,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:21,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:21,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:21,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:21,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:21,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:21,761 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:21,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:56:21,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:21,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:21,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:21,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:21,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:21,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:21,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:21,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:21,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:21,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:21,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:21,810 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:21,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 11:56:21,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:21,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:21,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:21,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:21,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:21,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:21,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:21,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:21,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:21,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:21,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:21,849 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:21,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:56:21,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:21,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:21,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:21,871 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-26 11:56:21,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:21,895 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-26 11:56:21,896 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 11:56:21,938 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:56:22,131 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2023-11-26 11:56:22,131 INFO L444 ModelExtractionUtils]: 2 out of 31 variables were initially zero. Simplification set additionally 20 variables to zero. [2023-11-26 11:56:22,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:22,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:22,194 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:22,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 11:56:22,202 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:56:22,233 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 4. [2023-11-26 11:56:22,233 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:56:22,234 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~id~0#1.base) ULTIMATE.start_main_~id~0#1.offset)_1, v_rep(select (select #memory_int#0 ULTIMATE.start_main_~tmp~0#1.base) ULTIMATE.start_main_~tmp~0#1.offset)_1) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~id~0#1.base) ULTIMATE.start_main_~id~0#1.offset)_1 + 2*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~tmp~0#1.base) ULTIMATE.start_main_~tmp~0#1.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~id~0#1.base) ULTIMATE.start_main_~id~0#1.offset)_1 >= 0, 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~tmp~0#1.base) 0)_1 >= 0, 1*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~maxId~0#1.base) ULTIMATE.start_main_~maxId~0#1.offset)_1 - 1 >= 0] [2023-11-26 11:56:22,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:22,377 INFO L156 tatePredicateManager]: 24 out of 26 supporting invariants were superfluous and have been removed [2023-11-26 11:56:22,390 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~tmp~0!base][~tmp~0!offset] could not be translated [2023-11-26 11:56:22,391 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~id~0!base][~id~0!offset] could not be translated [2023-11-26 11:56:22,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 11:56:22,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-26 11:56:22,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:22,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:22,751 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2023-11-26 11:56:22,752 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 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) [2023-11-26 11:56:22,861 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. 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 16 states and 22 transitions. Complement of second has 9 states. [2023-11-26 11:56:22,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 11:56:22,864 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) [2023-11-26 11:56:22,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2023-11-26 11:56:22,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9 transitions. Stem has 4 letters. Loop has 4 letters. [2023-11-26 11:56:22,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:22,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9 transitions. Stem has 8 letters. Loop has 4 letters. [2023-11-26 11:56:22,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:22,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9 transitions. Stem has 4 letters. Loop has 8 letters. [2023-11-26 11:56:22,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:22,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 22 transitions. [2023-11-26 11:56:22,871 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:56:22,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 22 transitions. [2023-11-26 11:56:22,874 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-26 11:56:22,874 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-26 11:56:22,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2023-11-26 11:56:22,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:56:22,874 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2023-11-26 11:56:22,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2023-11-26 11:56:22,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-26 11:56:22,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:22,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2023-11-26 11:56:22,878 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2023-11-26 11:56:22,878 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2023-11-26 11:56:22,878 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 11:56:22,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2023-11-26 11:56:22,880 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:56:22,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:22,880 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:22,882 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:22,882 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:56:22,882 INFO L748 eck$LassoCheckResult]: Stem: 233#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 234#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 235#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 222#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#0(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 223#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 232#L555-1 assume !main_#t~short15#1; 224#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 225#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 228#L556-2 [2023-11-26 11:56:22,882 INFO L750 eck$LassoCheckResult]: Loop: 228#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 230#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 237#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 236#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 228#L556-2 [2023-11-26 11:56:22,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:22,883 INFO L85 PathProgramCache]: Analyzing trace with hash 121355089, now seen corresponding path program 1 times [2023-11-26 11:56:22,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:22,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219782379] [2023-11-26 11:56:22,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:22,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:22,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:22,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219782379] [2023-11-26 11:56:22,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219782379] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:22,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:22,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:56:22,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200073448] [2023-11-26 11:56:22,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:22,952 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:56:22,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:22,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1419305, now seen corresponding path program 3 times [2023-11-26 11:56:22,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:22,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893684059] [2023-11-26 11:56:22,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:22,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:22,969 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:22,979 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:23,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:23,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:56:23,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:56:23,200 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:23,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:23,216 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2023-11-26 11:56:23,216 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2023-11-26 11:56:23,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:56:23,220 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 16 states and 19 transitions. [2023-11-26 11:56:23,221 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-26 11:56:23,221 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-26 11:56:23,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2023-11-26 11:56:23,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:56:23,221 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-26 11:56:23,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2023-11-26 11:56:23,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-26 11:56:23,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 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) [2023-11-26 11:56:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2023-11-26 11:56:23,226 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-26 11:56:23,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:56:23,228 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-26 11:56:23,229 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 11:56:23,229 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2023-11-26 11:56:23,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:56:23,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:23,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:23,231 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:23,231 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:56:23,231 INFO L748 eck$LassoCheckResult]: Stem: 274#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 275#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 276#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 263#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#0(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 264#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 273#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 265#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 266#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 269#L556-2 [2023-11-26 11:56:23,232 INFO L750 eck$LassoCheckResult]: Loop: 269#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 271#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 278#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 277#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 269#L556-2 [2023-11-26 11:56:23,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:23,232 INFO L85 PathProgramCache]: Analyzing trace with hash 121353167, now seen corresponding path program 1 times [2023-11-26 11:56:23,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:23,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779582356] [2023-11-26 11:56:23,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:23,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:23,274 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:23,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:23,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:23,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1419305, now seen corresponding path program 4 times [2023-11-26 11:56:23,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:23,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365545747] [2023-11-26 11:56:23,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:23,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:23,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:23,357 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:23,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:23,358 INFO L85 PathProgramCache]: Analyzing trace with hash -677985033, now seen corresponding path program 1 times [2023-11-26 11:56:23,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:23,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322079511] [2023-11-26 11:56:23,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:23,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:23,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:23,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:23,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:24,973 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:56:24,974 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:56:24,974 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:56:24,974 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:56:24,974 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:56:24,974 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:24,974 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:56:24,974 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:56:24,974 INFO L133 ssoRankerPreferences]: Filename of dumped script: GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i_Iteration4_Lasso [2023-11-26 11:56:24,974 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:56:24,974 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:56:24,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:24,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:24,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:24,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:24,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:24,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:24,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:24,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:24,999 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:25,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:25,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:25,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:25,556 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:25,558 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:25,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:25,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:25,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:25,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:25,572 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:25,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:25,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:25,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:26,036 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:56:26,036 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:56:26,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:26,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:26,041 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:26,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:26,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:26,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:26,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:26,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:26,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:26,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:26,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:26,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 11:56:26,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:26,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:26,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:26,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:26,092 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:26,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:26,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:26,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:26,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:26,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:26,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:26,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:26,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:26,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 11:56:26,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:26,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:26,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:26,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:26,134 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:26,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:26,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:26,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:26,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:26,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:26,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:26,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:26,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:26,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 11:56:26,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:26,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:26,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:26,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:26,180 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:26,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:26,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:26,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:26,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:26,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:26,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:26,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:26,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:26,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 11:56:26,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:26,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:26,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:26,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:26,219 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:26,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 11:56:26,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:26,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:26,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:26,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:26,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:26,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:26,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:26,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:26,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:26,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:26,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:26,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:26,270 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:26,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:26,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:26,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:26,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:26,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:26,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:26,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:26,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:26,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 11:56:26,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:26,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:26,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:26,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:26,324 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:26,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 11:56:26,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:26,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:26,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:26,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:26,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:26,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:26,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:26,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:26,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:26,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:26,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:26,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:26,368 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:26,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:26,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:26,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:26,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:26,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:26,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:26,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:26,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 11:56:26,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:26,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:26,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:26,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:26,418 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:26,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:26,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:26,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:26,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:26,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:26,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:26,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:26,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:26,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 11:56:26,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:26,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:26,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:26,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:26,468 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:26,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:26,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:26,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:26,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:26,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:26,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:26,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:26,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:26,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 11:56:26,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:26,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:26,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:26,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:26,504 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:26,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:26,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:26,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:26,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:26,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:26,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:26,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:26,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:26,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 11:56:26,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:26,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:26,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:26,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:26,544 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:26,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:26,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:26,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:26,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:26,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:26,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 11:56:26,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:26,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:26,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:26,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:26,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:26,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:26,616 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:26,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:26,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:26,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:26,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:26,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:26,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 11:56:26,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:26,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:26,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:26,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:26,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:26,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:26,651 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:26,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 11:56:26,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:26,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:26,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:26,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:26,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:26,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:26,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:26,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:26,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:26,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:26,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:26,701 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:26,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:26,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:26,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:26,724 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-26 11:56:26,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:26,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 11:56:26,746 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-26 11:56:26,746 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 11:56:26,791 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:56:26,940 INFO L443 ModelExtractionUtils]: Simplification made 34 calls to the SMT solver. [2023-11-26 11:56:26,940 INFO L444 ModelExtractionUtils]: 1 out of 31 variables were initially zero. Simplification set additionally 22 variables to zero. [2023-11-26 11:56:26,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:26,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:26,941 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:26,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 11:56:26,943 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:56:26,971 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 4. [2023-11-26 11:56:26,971 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:56:26,971 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~id~0#1.base) ULTIMATE.start_main_~id~0#1.offset)_2, v_rep(select (select #memory_int#0 ULTIMATE.start_main_~tmp~0#1.base) ULTIMATE.start_main_~tmp~0#1.offset)_2) = -1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~id~0#1.base) ULTIMATE.start_main_~id~0#1.offset)_2 + 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~tmp~0#1.base) ULTIMATE.start_main_~tmp~0#1.offset)_2 Supporting invariants [1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~id~0#1.base) ULTIMATE.start_main_~id~0#1.offset)_2 >= 0, 1*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~maxId~0#1.base) ULTIMATE.start_main_~maxId~0#1.offset)_2 - 1 >= 0, 1*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~maxId~0#1.base) ULTIMATE.start_main_~maxId~0#1.offset)_2 - 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~id~0#1.base) ULTIMATE.start_main_~id~0#1.offset)_2 >= 0] [2023-11-26 11:56:26,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:27,110 INFO L156 tatePredicateManager]: 24 out of 26 supporting invariants were superfluous and have been removed [2023-11-26 11:56:27,117 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~tmp~0!base][~tmp~0!offset] could not be translated [2023-11-26 11:56:27,117 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~id~0!base][~id~0!offset] could not be translated [2023-11-26 11:56:27,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:27,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:27,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 11:56:27,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:27,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-26 11:56:27,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:27,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:27,539 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 4 loop predicates [2023-11-26 11:56:27,540 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2023-11-26 11:56:27,702 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 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) Result 24 states and 29 transitions. Complement of second has 12 states. [2023-11-26 11:56:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-26 11:56:27,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2023-11-26 11:56:27,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 13 transitions. [2023-11-26 11:56:27,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 13 transitions. Stem has 8 letters. Loop has 4 letters. [2023-11-26 11:56:27,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:27,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 13 transitions. Stem has 12 letters. Loop has 4 letters. [2023-11-26 11:56:27,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:27,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 13 transitions. Stem has 8 letters. Loop has 8 letters. [2023-11-26 11:56:27,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:27,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2023-11-26 11:56:27,707 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:56:27,708 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 29 transitions. [2023-11-26 11:56:27,708 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-26 11:56:27,708 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-11-26 11:56:27,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 29 transitions. [2023-11-26 11:56:27,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:56:27,708 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 29 transitions. [2023-11-26 11:56:27,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 29 transitions. [2023-11-26 11:56:27,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-11-26 11:56:27,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:27,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2023-11-26 11:56:27,712 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 29 transitions. [2023-11-26 11:56:27,712 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2023-11-26 11:56:27,712 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 11:56:27,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 29 transitions. [2023-11-26 11:56:27,713 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:56:27,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:27,713 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:27,714 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1] [2023-11-26 11:56:27,714 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:56:27,714 INFO L748 eck$LassoCheckResult]: Stem: 498#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 499#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 500#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 485#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#0(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 486#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 504#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 503#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 502#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 501#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 497#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 487#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 488#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 491#L556-2 [2023-11-26 11:56:27,715 INFO L750 eck$LassoCheckResult]: Loop: 491#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 494#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 507#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 505#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 491#L556-2 [2023-11-26 11:56:27,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:27,715 INFO L85 PathProgramCache]: Analyzing trace with hash -677985035, now seen corresponding path program 2 times [2023-11-26 11:56:27,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:27,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260822757] [2023-11-26 11:56:27,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:27,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:27,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:27,759 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:27,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:27,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1419305, now seen corresponding path program 5 times [2023-11-26 11:56:27,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:27,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997709993] [2023-11-26 11:56:27,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:27,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:27,767 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:27,772 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:27,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:27,773 INFO L85 PathProgramCache]: Analyzing trace with hash -199699683, now seen corresponding path program 2 times [2023-11-26 11:56:27,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:27,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875802728] [2023-11-26 11:56:27,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:27,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:27,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:27,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:30,108 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:56:30,108 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:56:30,108 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:56:30,109 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:56:30,109 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:56:30,109 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:30,109 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:56:30,109 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:56:30,109 INFO L133 ssoRankerPreferences]: Filename of dumped script: GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i_Iteration5_Lasso [2023-11-26 11:56:30,109 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:56:30,109 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:56:30,112 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,115 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,152 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,163 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:30,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:31,127 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:56:31,127 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:56:31,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,131 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 11:56:31,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:31,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:31,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:31,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:31,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,162 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 11:56:31,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:31,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:31,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:31,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-26 11:56:31,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,181 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 11:56:31,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:31,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:31,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:31,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:31,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,203 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 11:56:31,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:31,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:31,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:31,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:31,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,220 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 11:56:31,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:31,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:31,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:31,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:31,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,238 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-26 11:56:31,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:31,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:31,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:31,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-26 11:56:31,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,257 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-26 11:56:31,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:31,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:31,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:31,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-26 11:56:31,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,275 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-26 11:56:31,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:31,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:31,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:31,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:31,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,298 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-26 11:56:31,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:31,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:31,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:31,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,321 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-26 11:56:31,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:31,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:31,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:31,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:31,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,344 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-26 11:56:31,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:31,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,357 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:31,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:31,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-26 11:56:31,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,363 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-26 11:56:31,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:31,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:31,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:31,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-26 11:56:31,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,389 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-26 11:56:31,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:31,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:31,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:31,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:31,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,409 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-26 11:56:31,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,427 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:31,427 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:31,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-26 11:56:31,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,435 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-26 11:56:31,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:31,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:31,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:31,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,484 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:31,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:31,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:31,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-26 11:56:31,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:31,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,543 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:31,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:31,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-26 11:56:31,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-26 11:56:31,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,568 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-26 11:56:31,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:31,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:31,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-26 11:56:31,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,589 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-26 11:56:31,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:31,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:31,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:31,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:31,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,611 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-26 11:56:31,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:31,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:31,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:31,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:31,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:31,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:31,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,648 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:31,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-26 11:56:31,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:31,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:31,672 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-26 11:56:31,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:31,685 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-26 11:56:31,686 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 11:56:31,720 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:56:31,786 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2023-11-26 11:56:31,786 INFO L444 ModelExtractionUtils]: 4 out of 26 variables were initially zero. Simplification set additionally 14 variables to zero. [2023-11-26 11:56:31,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:31,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:31,788 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:31,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-26 11:56:31,790 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:56:31,803 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 4. [2023-11-26 11:56:31,803 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:56:31,804 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~tmp~0#1.base) 0)_3) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~tmp~0#1.base) 0)_3 Supporting invariants [2*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~maxId~0#1.base) ULTIMATE.start_main_~maxId~0#1.offset)_3 - 1 >= 0, 2*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~maxId~0#1.base) ULTIMATE.start_main_~maxId~0#1.offset)_3 - 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~id~0#1.base) ULTIMATE.start_main_~id~0#1.offset)_3 >= 0, 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~id~0#1.base) ULTIMATE.start_main_~id~0#1.offset)_3 >= 0] [2023-11-26 11:56:31,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:31,937 INFO L156 tatePredicateManager]: 22 out of 25 supporting invariants were superfluous and have been removed [2023-11-26 11:56:31,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~tmp~0!base][0] could not be translated [2023-11-26 11:56:31,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:32,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 11:56:32,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:32,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-26 11:56:32,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 11:56:32,200 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 42 treesize of output 19 [2023-11-26 11:56:32,260 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 [2023-11-26 11:56:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:32,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 11:56:32,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:32,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:32,481 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 4 loop predicates [2023-11-26 11:56:32,481 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8 Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:32,565 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8. Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 37 transitions. Complement of second has 6 states. [2023-11-26 11:56:32,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 4 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-26 11:56:32,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:32,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2023-11-26 11:56:32,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2023-11-26 11:56:32,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:32,567 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 11:56:32,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:32,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 11:56:32,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:32,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 11:56:32,794 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 42 treesize of output 19 [2023-11-26 11:56:32,862 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 [2023-11-26 11:56:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:32,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 11:56:32,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:33,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:33,090 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 4 loop predicates [2023-11-26 11:56:33,091 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8 Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:33,171 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8. Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 37 transitions. Complement of second has 6 states. [2023-11-26 11:56:33,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 4 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-26 11:56:33,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:33,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2023-11-26 11:56:33,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2023-11-26 11:56:33,173 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:33,173 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 11:56:33,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:33,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 11:56:33,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:33,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 11:56:33,427 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 42 treesize of output 19 [2023-11-26 11:56:33,503 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 [2023-11-26 11:56:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:33,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 11:56:33,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:33,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:33,730 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 4 loop predicates [2023-11-26 11:56:33,730 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8 Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:34,008 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8. Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 63 transitions. Complement of second has 22 states. [2023-11-26 11:56:34,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 6 stem states 3 non-accepting loop states 2 accepting loop states [2023-11-26 11:56:34,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:34,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 26 transitions. [2023-11-26 11:56:34,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 26 transitions. Stem has 12 letters. Loop has 4 letters. [2023-11-26 11:56:34,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:34,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 26 transitions. Stem has 16 letters. Loop has 4 letters. [2023-11-26 11:56:34,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:34,011 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 26 transitions. Stem has 12 letters. Loop has 8 letters. [2023-11-26 11:56:34,011 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:34,011 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 63 transitions. [2023-11-26 11:56:34,013 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-26 11:56:34,013 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 55 states and 63 transitions. [2023-11-26 11:56:34,014 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2023-11-26 11:56:34,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2023-11-26 11:56:34,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 63 transitions. [2023-11-26 11:56:34,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:56:34,014 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 63 transitions. [2023-11-26 11:56:34,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 63 transitions. [2023-11-26 11:56:34,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 28. [2023-11-26 11:56:34,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 27 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:34,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2023-11-26 11:56:34,018 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 34 transitions. [2023-11-26 11:56:34,018 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2023-11-26 11:56:34,018 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 11:56:34,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 34 transitions. [2023-11-26 11:56:34,019 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-26 11:56:34,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:34,020 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:34,020 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 11:56:34,020 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:56:34,020 INFO L748 eck$LassoCheckResult]: Stem: 979#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 980#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 981#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 966#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#0(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 967#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 975#L555-1 [2023-11-26 11:56:34,021 INFO L750 eck$LassoCheckResult]: Loop: 975#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 968#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 969#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 972#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 975#L555-1 [2023-11-26 11:56:34,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:34,021 INFO L85 PathProgramCache]: Analyzing trace with hash 28693895, now seen corresponding path program 1 times [2023-11-26 11:56:34,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:34,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247437964] [2023-11-26 11:56:34,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:34,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:34,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:34,052 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:34,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:34,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1516443, now seen corresponding path program 1 times [2023-11-26 11:56:34,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:34,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589893090] [2023-11-26 11:56:34,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:34,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:34,068 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:34,082 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:34,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:34,083 INFO L85 PathProgramCache]: Analyzing trace with hash -533019103, now seen corresponding path program 3 times [2023-11-26 11:56:34,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:34,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629203977] [2023-11-26 11:56:34,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:34,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:34,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:34,123 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:35,315 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:56:35,316 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:56:35,316 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:56:35,316 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:56:35,316 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:56:35,316 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:35,316 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:56:35,316 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:56:35,317 INFO L133 ssoRankerPreferences]: Filename of dumped script: GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i_Iteration6_Lasso [2023-11-26 11:56:35,317 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:56:35,317 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:56:35,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,991 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:36,685 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:56:36,685 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:56:36,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:36,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:36,686 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:36,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-26 11:56:36,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:36,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:36,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:36,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:36,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:36,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:36,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:36,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:36,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:36,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-26 11:56:36,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:36,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:36,706 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:36,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-26 11:56:36,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:36,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:36,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:36,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:36,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:36,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:36,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:36,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:36,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:36,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:36,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:36,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:36,735 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:36,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-26 11:56:36,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:36,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:36,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:36,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:36,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:36,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:36,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:36,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:36,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:36,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2023-11-26 11:56:36,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:36,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:36,755 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:36,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-26 11:56:36,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:36,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:36,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:36,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:36,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:36,769 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:36,769 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:36,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:36,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-11-26 11:56:36,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:36,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:36,777 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:36,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:36,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-26 11:56:36,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:36,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:36,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:36,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:36,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:36,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:36,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:36,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:36,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:36,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:36,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:36,824 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:36,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:36,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:36,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:36,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:36,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:36,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:36,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:36,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:36,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-26 11:56:36,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:36,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:36,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:36,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:36,864 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:36,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:36,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-26 11:56:36,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:36,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:36,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:36,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:36,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:36,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:36,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:36,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-26 11:56:36,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:36,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:36,892 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:36,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-26 11:56:36,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:36,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:36,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:36,905 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-11-26 11:56:36,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:36,943 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2023-11-26 11:56:36,944 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-11-26 11:56:37,071 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:56:37,226 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2023-11-26 11:56:37,226 INFO L444 ModelExtractionUtils]: 37 out of 64 variables were initially zero. Simplification set additionally 24 variables to zero. [2023-11-26 11:56:37,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:37,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:37,228 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:37,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-26 11:56:37,230 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:56:37,243 INFO L438 nArgumentSynthesizer]: Removed 6 redundant supporting invariants from a total of 6. [2023-11-26 11:56:37,244 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:56:37,244 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 ULTIMATE.start_main_~maxId~0#1.base) ULTIMATE.start_main_~maxId~0#1.offset)_4, v_rep(select (select #memory_int#0 ULTIMATE.start_main_~tmp~0#1.base) ULTIMATE.start_main_~tmp~0#1.offset)_4) = 1*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~maxId~0#1.base) ULTIMATE.start_main_~maxId~0#1.offset)_4 - 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~tmp~0#1.base) ULTIMATE.start_main_~tmp~0#1.offset)_4 Supporting invariants [] [2023-11-26 11:56:37,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:37,346 INFO L156 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2023-11-26 11:56:37,347 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~maxId~0!base][~maxId~0!offset] could not be translated [2023-11-26 11:56:37,347 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~tmp~0!base][~tmp~0!offset] could not be translated [2023-11-26 11:56:37,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:37,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:56:37,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:37,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 11:56:37,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:37,444 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 55 treesize of output 28 [2023-11-26 11:56:37,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:37,463 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-26 11:56:37,463 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:37,490 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 44 states and 51 transitions. Complement of second has 7 states. [2023-11-26 11:56:37,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 11:56:37,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:37,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2023-11-26 11:56:37,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-26 11:56:37,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:37,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 9 letters. Loop has 4 letters. [2023-11-26 11:56:37,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:37,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 5 letters. Loop has 8 letters. [2023-11-26 11:56:37,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:37,499 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 51 transitions. [2023-11-26 11:56:37,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:56:37,508 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 35 states and 41 transitions. [2023-11-26 11:56:37,508 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-26 11:56:37,509 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-26 11:56:37,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 41 transitions. [2023-11-26 11:56:37,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:56:37,509 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 41 transitions. [2023-11-26 11:56:37,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 41 transitions. [2023-11-26 11:56:37,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 29. [2023-11-26 11:56:37,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.206896551724138) internal successors, (35), 28 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:37,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2023-11-26 11:56:37,518 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 35 transitions. [2023-11-26 11:56:37,519 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 35 transitions. [2023-11-26 11:56:37,519 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 11:56:37,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 35 transitions. [2023-11-26 11:56:37,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:56:37,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:37,520 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:37,521 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 1, 1, 1, 1, 1] [2023-11-26 11:56:37,521 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:56:37,521 INFO L748 eck$LassoCheckResult]: Stem: 1194#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1195#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 1196#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 1181#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#0(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 1182#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1197#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1198#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1188#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 1189#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1192#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1209#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1208#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 1193#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1191#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1183#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1184#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 1187#L556-2 [2023-11-26 11:56:37,521 INFO L750 eck$LassoCheckResult]: Loop: 1187#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1204#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1202#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1201#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 1187#L556-2 [2023-11-26 11:56:37,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:37,522 INFO L85 PathProgramCache]: Analyzing trace with hash -197852643, now seen corresponding path program 3 times [2023-11-26 11:56:37,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:37,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873857795] [2023-11-26 11:56:37,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:37,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:37,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:37,594 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:37,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:37,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1419305, now seen corresponding path program 6 times [2023-11-26 11:56:37,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:37,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186853998] [2023-11-26 11:56:37,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:37,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:37,601 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:37,605 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:37,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:37,606 INFO L85 PathProgramCache]: Analyzing trace with hash -276546491, now seen corresponding path program 4 times [2023-11-26 11:56:37,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:37,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731716449] [2023-11-26 11:56:37,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:37,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:38,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-11-26 11:56:38,282 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:38,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:38,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731716449] [2023-11-26 11:56:38,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731716449] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:56:38,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617944068] [2023-11-26 11:56:38,283 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-26 11:56:38,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:56:38,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:38,297 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:56:38,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2023-11-26 11:56:38,410 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-26 11:56:38,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:56:38,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 11:56:38,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:38,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 11:56:38,435 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 [2023-11-26 11:56:38,454 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 15 treesize of output 7 [2023-11-26 11:56:38,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 11:56:38,537 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 13 [2023-11-26 11:56:38,570 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 15 treesize of output 7 [2023-11-26 11:56:38,574 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 15 treesize of output 7 [2023-11-26 11:56:38,589 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:38,589 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:56:38,688 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 [2023-11-26 11:56:38,718 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:38,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617944068] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:56:38,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:56:38,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2023-11-26 11:56:38,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736657471] [2023-11-26 11:56:38,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:56:38,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:38,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-26 11:56:38,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2023-11-26 11:56:38,892 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. cyclomatic complexity: 10 Second operand has 17 states, 16 states have (on average 2.5625) internal successors, (41), 17 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:39,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:39,141 INFO L93 Difference]: Finished difference Result 56 states and 63 transitions. [2023-11-26 11:56:39,142 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 63 transitions. [2023-11-26 11:56:39,145 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2023-11-26 11:56:39,148 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 53 states and 60 transitions. [2023-11-26 11:56:39,151 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2023-11-26 11:56:39,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2023-11-26 11:56:39,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 60 transitions. [2023-11-26 11:56:39,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:56:39,151 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53 states and 60 transitions. [2023-11-26 11:56:39,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 60 transitions. [2023-11-26 11:56:39,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44. [2023-11-26 11:56:39,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:39,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2023-11-26 11:56:39,157 INFO L240 hiAutomatonCegarLoop]: Abstraction has 44 states and 51 transitions. [2023-11-26 11:56:39,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 11:56:39,158 INFO L428 stractBuchiCegarLoop]: Abstraction has 44 states and 51 transitions. [2023-11-26 11:56:39,158 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-26 11:56:39,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 51 transitions. [2023-11-26 11:56:39,159 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2023-11-26 11:56:39,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:39,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:39,160 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:39,160 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 1] [2023-11-26 11:56:39,160 INFO L748 eck$LassoCheckResult]: Stem: 1430#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1431#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 1432#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 1416#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#0(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 1417#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1442#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1436#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1423#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 1424#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1443#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1448#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1445#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 1425#L556-2 [2023-11-26 11:56:39,160 INFO L750 eck$LassoCheckResult]: Loop: 1425#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1426#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1418#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1419#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 1422#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1459#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1457#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1456#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 1447#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1455#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1454#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1446#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 1425#L556-2 [2023-11-26 11:56:39,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:39,161 INFO L85 PathProgramCache]: Analyzing trace with hash -677985033, now seen corresponding path program 5 times [2023-11-26 11:56:39,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:39,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028331856] [2023-11-26 11:56:39,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:39,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:39,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:39,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:39,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:39,195 INFO L85 PathProgramCache]: Analyzing trace with hash 893710197, now seen corresponding path program 1 times [2023-11-26 11:56:39,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:39,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096944832] [2023-11-26 11:56:39,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:39,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:39,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:39,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:39,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:39,215 INFO L85 PathProgramCache]: Analyzing trace with hash -557976725, now seen corresponding path program 6 times [2023-11-26 11:56:39,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:39,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583334630] [2023-11-26 11:56:39,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:39,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:40,160 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:40,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:40,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583334630] [2023-11-26 11:56:40,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583334630] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:56:40,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209877410] [2023-11-26 11:56:40,161 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-26 11:56:40,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:56:40,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:40,163 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:56:40,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2023-11-26 11:56:40,305 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-11-26 11:56:40,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:56:40,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-26 11:56:40,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:40,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 11:56:40,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 11:56:40,438 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 [2023-11-26 11:56:40,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-26 11:56:40,622 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 50 treesize of output 30 [2023-11-26 11:56:40,685 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 23 treesize of output 3 [2023-11-26 11:56:40,727 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 13 [2023-11-26 11:56:40,771 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 15 treesize of output 7 [2023-11-26 11:56:40,776 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 15 treesize of output 7 [2023-11-26 11:56:40,799 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:40,800 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:56:41,035 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 [2023-11-26 11:56:41,091 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:41,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209877410] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:56:41,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:56:41,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 26 [2023-11-26 11:56:41,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161648723] [2023-11-26 11:56:41,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:56:41,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:41,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-26 11:56:41,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=593, Unknown=0, NotChecked=0, Total=702 [2023-11-26 11:56:41,624 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. cyclomatic complexity: 12 Second operand has 27 states, 26 states have (on average 2.1538461538461537) internal successors, (56), 27 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:42,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:42,195 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2023-11-26 11:56:42,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 60 transitions. [2023-11-26 11:56:42,196 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2023-11-26 11:56:42,196 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 53 states and 60 transitions. [2023-11-26 11:56:42,197 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2023-11-26 11:56:42,197 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2023-11-26 11:56:42,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 60 transitions. [2023-11-26 11:56:42,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:56:42,197 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53 states and 60 transitions. [2023-11-26 11:56:42,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 60 transitions. [2023-11-26 11:56:42,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 48. [2023-11-26 11:56:42,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 47 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:42,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 55 transitions. [2023-11-26 11:56:42,201 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 55 transitions. [2023-11-26 11:56:42,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-26 11:56:42,202 INFO L428 stractBuchiCegarLoop]: Abstraction has 48 states and 55 transitions. [2023-11-26 11:56:42,202 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-26 11:56:42,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 55 transitions. [2023-11-26 11:56:42,203 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2023-11-26 11:56:42,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:42,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:42,203 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:42,203 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 4, 3, 1] [2023-11-26 11:56:42,204 INFO L748 eck$LassoCheckResult]: Stem: 1719#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1720#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 1721#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 1705#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#0(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 1706#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1731#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1725#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1712#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 1713#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1732#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1737#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1734#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 1714#L556-2 [2023-11-26 11:56:42,204 INFO L750 eck$LassoCheckResult]: Loop: 1714#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1715#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1707#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1708#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 1711#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1752#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1751#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1750#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 1749#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1748#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1746#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1745#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 1736#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 1744#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 1743#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 1735#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 1714#L556-2 [2023-11-26 11:56:42,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:42,204 INFO L85 PathProgramCache]: Analyzing trace with hash -677985033, now seen corresponding path program 7 times [2023-11-26 11:56:42,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:42,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196657553] [2023-11-26 11:56:42,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:42,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:42,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:42,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:42,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:42,233 INFO L85 PathProgramCache]: Analyzing trace with hash 563187355, now seen corresponding path program 2 times [2023-11-26 11:56:42,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:42,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871995800] [2023-11-26 11:56:42,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:42,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:42,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:42,257 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:42,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:42,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1638160495, now seen corresponding path program 8 times [2023-11-26 11:56:42,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:42,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765911353] [2023-11-26 11:56:42,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:42,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:43,482 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 11 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:43,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:43,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765911353] [2023-11-26 11:56:43,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765911353] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:56:43,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002149095] [2023-11-26 11:56:43,482 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 11:56:43,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:56:43,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:43,486 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:56:43,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2023-11-26 11:56:43,622 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 11:56:43,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:56:43,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-26 11:56:43,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:43,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2023-11-26 11:56:43,714 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 55 treesize of output 28 [2023-11-26 11:56:43,760 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 [2023-11-26 11:56:43,849 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 43 treesize of output 31 [2023-11-26 11:56:43,905 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 32 treesize of output 20 [2023-11-26 11:56:43,964 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 56 treesize of output 29 [2023-11-26 11:56:43,985 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 [2023-11-26 11:56:43,995 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 [2023-11-26 11:56:43,999 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 11:56:43,999 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:56:44,100 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 26 treesize of output 18 [2023-11-26 11:56:44,272 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 28 treesize of output 20 [2023-11-26 11:56:44,283 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 11 proven. 48 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 11:56:44,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002149095] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:56:44,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:56:44,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 24 [2023-11-26 11:56:44,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703577757] [2023-11-26 11:56:44,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:56:45,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:45,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-26 11:56:45,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600 [2023-11-26 11:56:45,139 INFO L87 Difference]: Start difference. First operand 48 states and 55 transitions. cyclomatic complexity: 12 Second operand has 25 states, 24 states have (on average 2.25) internal successors, (54), 25 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:46,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:46,483 INFO L93 Difference]: Finished difference Result 120 states and 135 transitions. [2023-11-26 11:56:46,484 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120 states and 135 transitions. [2023-11-26 11:56:46,485 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 48 [2023-11-26 11:56:46,488 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120 states to 120 states and 135 transitions. [2023-11-26 11:56:46,488 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2023-11-26 11:56:46,488 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 89 [2023-11-26 11:56:46,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 135 transitions. [2023-11-26 11:56:46,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:56:46,489 INFO L218 hiAutomatonCegarLoop]: Abstraction has 120 states and 135 transitions. [2023-11-26 11:56:46,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 135 transitions. [2023-11-26 11:56:46,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 93. [2023-11-26 11:56:46,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 93 states have (on average 1.1612903225806452) internal successors, (108), 92 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:46,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 108 transitions. [2023-11-26 11:56:46,497 INFO L240 hiAutomatonCegarLoop]: Abstraction has 93 states and 108 transitions. [2023-11-26 11:56:46,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-26 11:56:46,498 INFO L428 stractBuchiCegarLoop]: Abstraction has 93 states and 108 transitions. [2023-11-26 11:56:46,498 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-26 11:56:46,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 108 transitions. [2023-11-26 11:56:46,499 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 48 [2023-11-26 11:56:46,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:46,500 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:46,500 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:46,500 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:56:46,501 INFO L748 eck$LassoCheckResult]: Stem: 2126#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2127#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 2128#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 2113#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#0(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 2114#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 2143#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 2144#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 2120#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 2121#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 2146#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 2152#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 2148#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 2119#L556-2 [2023-11-26 11:56:46,501 INFO L750 eck$LassoCheckResult]: Loop: 2119#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 2122#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 2115#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 2116#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 2119#L556-2 [2023-11-26 11:56:46,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:46,501 INFO L85 PathProgramCache]: Analyzing trace with hash -677985033, now seen corresponding path program 9 times [2023-11-26 11:56:46,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:46,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082309423] [2023-11-26 11:56:46,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:46,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:46,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:46,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:46,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:46,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1419303, now seen corresponding path program 2 times [2023-11-26 11:56:46,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:46,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57418725] [2023-11-26 11:56:46,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:46,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:46,539 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:46,544 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:46,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:46,545 INFO L85 PathProgramCache]: Analyzing trace with hash -197852643, now seen corresponding path program 10 times [2023-11-26 11:56:46,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:46,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380887567] [2023-11-26 11:56:46,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:46,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:46,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:46,576 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:48,471 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:56:48,472 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:56:48,472 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:56:48,472 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:56:48,472 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:56:48,472 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:48,472 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:56:48,472 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:56:48,472 INFO L133 ssoRankerPreferences]: Filename of dumped script: GulwaniJainKoskinen-2009PLDI-Fig1-alloca-2.i_Iteration10_Lasso [2023-11-26 11:56:48,472 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:56:48,472 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:56:48,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,498 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,972 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,976 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:48,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:49,415 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:56:49,415 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:56:49,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:49,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:49,426 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:49,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:49,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-26 11:56:49,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:49,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:49,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:49,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:49,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:49,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:49,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:49,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:49,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:49,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:49,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:49,444 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:49,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-26 11:56:49,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:49,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:49,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:49,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:49,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:49,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:49,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:49,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:49,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:49,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:49,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:49,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:49,464 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:49,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-26 11:56:49,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:49,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:49,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:49,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:49,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:49,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:49,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:49,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:49,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:49,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:49,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:49,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:49,498 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:49,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:49,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-26 11:56:49,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:49,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:49,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:49,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:49,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:49,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:49,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:49,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:49,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:49,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:49,544 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:49,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:49,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-26 11:56:49,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:49,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:49,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:49,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:49,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:49,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:49,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:49,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:49,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:49,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:49,587 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:49,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:49,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-26 11:56:49,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:49,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:49,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:49,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:49,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:49,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:49,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:49,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:49,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:49,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:49,625 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:49,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:49,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-26 11:56:49,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:49,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:49,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:49,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:49,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:49,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:49,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:49,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:49,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:49,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:49,667 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:49,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-26 11:56:49,670 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 [2023-11-26 11:56:49,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:49,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:49,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:49,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:49,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:49,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:49,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:49,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:49,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-11-26 11:56:49,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:49,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:49,685 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:49,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-26 11:56:49,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:49,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:49,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:49,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:49,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:49,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:49,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:49,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:49,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:49,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2023-11-26 11:56:49,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:49,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:49,706 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:49,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-26 11:56:49,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:49,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:49,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:49,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:49,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:49,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:49,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:49,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:49,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:49,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:49,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:49,738 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:49,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-26 11:56:49,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:49,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:49,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:49,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:49,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:49,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:49,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:49,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:49,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2023-11-26 11:56:49,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:49,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:49,767 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:49,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-26 11:56:49,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:49,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:49,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:49,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:49,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:49,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:49,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:49,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:49,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:49,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:49,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:49,794 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:49,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-26 11:56:49,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:49,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:49,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:49,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:49,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:49,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:49,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:49,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:49,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2023-11-26 11:56:49,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:49,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:49,821 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:49,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-26 11:56:49,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:49,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:49,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:49,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:49,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:49,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:49,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:49,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:49,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2023-11-26 11:56:49,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:49,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:49,847 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:49,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-26 11:56:49,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:56:49,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:49,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:49,860 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-26 11:56:49,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:49,873 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-26 11:56:49,873 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 11:56:49,915 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:56:49,999 INFO L443 ModelExtractionUtils]: Simplification made 23 calls to the SMT solver. [2023-11-26 11:56:49,999 INFO L444 ModelExtractionUtils]: 9 out of 31 variables were initially zero. Simplification set additionally 19 variables to zero. [2023-11-26 11:56:50,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:50,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:50,009 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:50,010 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:56:50,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-26 11:56:50,033 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2023-11-26 11:56:50,033 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:56:50,034 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 ULTIMATE.start_main_~maxId~0#1.base) ULTIMATE.start_main_~maxId~0#1.offset)_5, v_rep(select (select #memory_int#0 ULTIMATE.start_main_~tmp~0#1.base) ULTIMATE.start_main_~tmp~0#1.offset)_5) = 1*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~maxId~0#1.base) ULTIMATE.start_main_~maxId~0#1.offset)_5 - 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~tmp~0#1.base) ULTIMATE.start_main_~tmp~0#1.offset)_5 Supporting invariants [] [2023-11-26 11:56:50,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:50,120 INFO L156 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2023-11-26 11:56:50,121 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~maxId~0!base][~maxId~0!offset] could not be translated [2023-11-26 11:56:50,121 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~tmp~0!base][~tmp~0!offset] could not be translated [2023-11-26 11:56:50,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:50,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2023-11-26 11:56:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:50,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:56:50,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:50,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 11:56:50,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:50,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:50,254 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 11:56:50,254 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 93 states and 108 transitions. cyclomatic complexity: 21 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2023-11-26 11:56:50,281 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 93 states and 108 transitions. cyclomatic complexity: 21. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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 153 states and 171 transitions. Complement of second has 7 states. [2023-11-26 11:56:50,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 11:56:50,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2023-11-26 11:56:50,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-11-26 11:56:50,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 12 letters. Loop has 4 letters. [2023-11-26 11:56:50,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:50,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 16 letters. Loop has 4 letters. [2023-11-26 11:56:50,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:50,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 12 letters. Loop has 8 letters. [2023-11-26 11:56:50,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:50,284 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 171 transitions. [2023-11-26 11:56:50,286 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2023-11-26 11:56:50,287 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 121 states and 137 transitions. [2023-11-26 11:56:50,287 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2023-11-26 11:56:50,288 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 71 [2023-11-26 11:56:50,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 137 transitions. [2023-11-26 11:56:50,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:56:50,288 INFO L218 hiAutomatonCegarLoop]: Abstraction has 121 states and 137 transitions. [2023-11-26 11:56:50,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 137 transitions. [2023-11-26 11:56:50,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 109. [2023-11-26 11:56:50,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 109 states have (on average 1.146788990825688) internal successors, (125), 108 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:50,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2023-11-26 11:56:50,296 INFO L240 hiAutomatonCegarLoop]: Abstraction has 109 states and 125 transitions. [2023-11-26 11:56:50,296 INFO L428 stractBuchiCegarLoop]: Abstraction has 109 states and 125 transitions. [2023-11-26 11:56:50,296 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-26 11:56:50,297 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 125 transitions. [2023-11-26 11:56:50,297 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2023-11-26 11:56:50,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:50,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:50,298 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 2, 2, 1, 1, 1, 1] [2023-11-26 11:56:50,298 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 1] [2023-11-26 11:56:50,299 INFO L748 eck$LassoCheckResult]: Stem: 2531#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2532#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 2536#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 2522#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#0(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 2523#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 2555#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 2554#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 2553#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 2551#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 2548#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 2550#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 2549#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 2547#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 2546#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 2545#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 2544#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 2542#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 2543#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 2604#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 2601#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 2599#L556-2 [2023-11-26 11:56:50,299 INFO L750 eck$LassoCheckResult]: Loop: 2599#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 2597#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 2596#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 2593#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 2594#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 2611#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 2609#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 2608#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 2606#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 2605#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 2603#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 2602#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 2599#L556-2 [2023-11-26 11:56:50,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:50,299 INFO L85 PathProgramCache]: Analyzing trace with hash -863352507, now seen corresponding path program 11 times [2023-11-26 11:56:50,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:50,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118015436] [2023-11-26 11:56:50,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:50,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:50,508 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-26 11:56:50,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:50,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118015436] [2023-11-26 11:56:50,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118015436] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:56:50,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427383601] [2023-11-26 11:56:50,508 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-26 11:56:50,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:56:50,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:50,515 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:56:50,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Waiting until timeout for monitored process [2023-11-26 11:56:50,635 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2023-11-26 11:56:50,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:56:50,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 11:56:50,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:50,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 11:56:50,691 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 34 treesize of output 11 [2023-11-26 11:56:50,717 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 15 treesize of output 7 [2023-11-26 11:56:50,721 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 15 treesize of output 7 [2023-11-26 11:56:50,735 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:50,735 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:56:50,793 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 19 treesize of output 11 [2023-11-26 11:56:50,806 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:50,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427383601] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:56:50,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:56:50,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2023-11-26 11:56:50,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239603799] [2023-11-26 11:56:50,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:56:50,812 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:56:50,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:50,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1573768565, now seen corresponding path program 3 times [2023-11-26 11:56:50,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:50,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470194638] [2023-11-26 11:56:50,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:50,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:50,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:50,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:51,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:51,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-26 11:56:51,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-11-26 11:56:51,392 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. cyclomatic complexity: 23 Second operand has 14 states, 14 states have (on average 2.642857142857143) internal successors, (37), 14 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:51,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:51,516 INFO L93 Difference]: Finished difference Result 104 states and 114 transitions. [2023-11-26 11:56:51,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 104 states and 114 transitions. [2023-11-26 11:56:51,518 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2023-11-26 11:56:51,518 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 104 states to 98 states and 108 transitions. [2023-11-26 11:56:51,519 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 64 [2023-11-26 11:56:51,519 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 72 [2023-11-26 11:56:51,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 108 transitions. [2023-11-26 11:56:51,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:56:51,519 INFO L218 hiAutomatonCegarLoop]: Abstraction has 98 states and 108 transitions. [2023-11-26 11:56:51,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 108 transitions. [2023-11-26 11:56:51,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2023-11-26 11:56:51,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 94 states have (on average 1.1063829787234043) internal successors, (104), 93 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:51,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 104 transitions. [2023-11-26 11:56:51,533 INFO L240 hiAutomatonCegarLoop]: Abstraction has 94 states and 104 transitions. [2023-11-26 11:56:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 11:56:51,538 INFO L428 stractBuchiCegarLoop]: Abstraction has 94 states and 104 transitions. [2023-11-26 11:56:51,538 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-26 11:56:51,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 104 transitions. [2023-11-26 11:56:51,539 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2023-11-26 11:56:51,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:51,539 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:51,543 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 1, 1, 1, 1, 1] [2023-11-26 11:56:51,543 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1] [2023-11-26 11:56:51,543 INFO L748 eck$LassoCheckResult]: Stem: 2889#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2890#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 2891#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 2876#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#0(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 2877#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 2908#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 2912#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 2911#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 2910#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 2909#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 2880#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 2881#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 2884#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 2921#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 2878#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 2879#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 2913#L556-2 [2023-11-26 11:56:51,543 INFO L750 eck$LassoCheckResult]: Loop: 2913#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 2941#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 2938#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 2935#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 2934#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 2933#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 2932#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 2931#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 2913#L556-2 [2023-11-26 11:56:51,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:51,543 INFO L85 PathProgramCache]: Analyzing trace with hash 480358687, now seen corresponding path program 12 times [2023-11-26 11:56:51,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:51,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002571426] [2023-11-26 11:56:51,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:51,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:51,956 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:51,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:51,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002571426] [2023-11-26 11:56:51,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002571426] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:56:51,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479564068] [2023-11-26 11:56:51,956 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-26 11:56:51,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:56:51,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:51,958 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:56:51,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Waiting until timeout for monitored process [2023-11-26 11:56:52,092 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2023-11-26 11:56:52,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:56:52,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-26 11:56:52,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:52,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 11:56:52,270 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 58 treesize of output 38 [2023-11-26 11:56:52,371 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 60 treesize of output 33 [2023-11-26 11:56:52,439 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 39 treesize of output 27 [2023-11-26 11:56:52,444 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 31 treesize of output 19 [2023-11-26 11:56:52,480 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:52,481 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:56:52,716 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 [2023-11-26 11:56:52,725 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:52,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479564068] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:56:52,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:56:52,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2023-11-26 11:56:52,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827556947] [2023-11-26 11:56:52,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:56:52,726 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:56:52,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:52,727 INFO L85 PathProgramCache]: Analyzing trace with hash 791596367, now seen corresponding path program 4 times [2023-11-26 11:56:52,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:52,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388935148] [2023-11-26 11:56:52,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:52,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:52,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:52,741 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:53,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:53,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-26 11:56:53,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2023-11-26 11:56:53,063 INFO L87 Difference]: Start difference. First operand 94 states and 104 transitions. cyclomatic complexity: 15 Second operand has 22 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 22 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:53,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:53,315 INFO L93 Difference]: Finished difference Result 81 states and 87 transitions. [2023-11-26 11:56:53,315 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 87 transitions. [2023-11-26 11:56:53,316 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2023-11-26 11:56:53,317 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 78 states and 84 transitions. [2023-11-26 11:56:53,317 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 49 [2023-11-26 11:56:53,317 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2023-11-26 11:56:53,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 84 transitions. [2023-11-26 11:56:53,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:56:53,317 INFO L218 hiAutomatonCegarLoop]: Abstraction has 78 states and 84 transitions. [2023-11-26 11:56:53,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states and 84 transitions. [2023-11-26 11:56:53,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75. [2023-11-26 11:56:53,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 75 states have (on average 1.08) internal successors, (81), 74 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:53,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 81 transitions. [2023-11-26 11:56:53,321 INFO L240 hiAutomatonCegarLoop]: Abstraction has 75 states and 81 transitions. [2023-11-26 11:56:53,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 11:56:53,328 INFO L428 stractBuchiCegarLoop]: Abstraction has 75 states and 81 transitions. [2023-11-26 11:56:53,329 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-26 11:56:53,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states and 81 transitions. [2023-11-26 11:56:53,329 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2023-11-26 11:56:53,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:53,329 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:53,330 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 2, 2, 1, 1, 1, 1] [2023-11-26 11:56:53,332 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 1] [2023-11-26 11:56:53,333 INFO L748 eck$LassoCheckResult]: Stem: 3187#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3188#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 3192#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 3178#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#0(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 3179#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3207#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3212#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3211#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 3210#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3208#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3209#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3251#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3190#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3191#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3182#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3183#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3228#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3221#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3222#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3213#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 3214#L556-2 [2023-11-26 11:56:53,333 INFO L750 eck$LassoCheckResult]: Loop: 3214#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3244#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3243#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3242#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3241#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3240#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3239#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3238#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3216#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3237#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3236#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3215#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 3214#L556-2 [2023-11-26 11:56:53,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:53,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1543410875, now seen corresponding path program 13 times [2023-11-26 11:56:53,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:53,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201687777] [2023-11-26 11:56:53,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:53,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,044 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:54,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:54,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201687777] [2023-11-26 11:56:54,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201687777] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:56:54,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366112419] [2023-11-26 11:56:54,044 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-26 11:56:54,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:56:54,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:54,046 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:56:54,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2023-11-26 11:56:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-26 11:56:54,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:54,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 11:56:54,262 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 [2023-11-26 11:56:54,329 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 43 treesize of output 31 [2023-11-26 11:56:54,404 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 56 treesize of output 29 [2023-11-26 11:56:54,416 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 [2023-11-26 11:56:54,419 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 [2023-11-26 11:56:54,421 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 11:56:54,421 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:56:54,472 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 26 treesize of output 18 [2023-11-26 11:56:54,603 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 11:56:54,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366112419] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:56:54,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:56:54,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 19 [2023-11-26 11:56:54,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234263373] [2023-11-26 11:56:54,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:56:54,604 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:56:54,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:54,604 INFO L85 PathProgramCache]: Analyzing trace with hash 893710197, now seen corresponding path program 5 times [2023-11-26 11:56:54,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:54,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846244133] [2023-11-26 11:56:54,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:54,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:54,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:54,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:55,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:55,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-26 11:56:55,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2023-11-26 11:56:55,138 INFO L87 Difference]: Start difference. First operand 75 states and 81 transitions. cyclomatic complexity: 11 Second operand has 20 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 20 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:55,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:55,627 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2023-11-26 11:56:55,627 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 69 transitions. [2023-11-26 11:56:55,628 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2023-11-26 11:56:55,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 48 states and 51 transitions. [2023-11-26 11:56:55,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-26 11:56:55,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-26 11:56:55,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 51 transitions. [2023-11-26 11:56:55,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:56:55,631 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 51 transitions. [2023-11-26 11:56:55,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 51 transitions. [2023-11-26 11:56:55,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-26 11:56:55,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.0625) internal successors, (51), 47 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:55,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2023-11-26 11:56:55,634 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 51 transitions. [2023-11-26 11:56:55,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-26 11:56:55,634 INFO L428 stractBuchiCegarLoop]: Abstraction has 48 states and 51 transitions. [2023-11-26 11:56:55,635 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2023-11-26 11:56:55,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 51 transitions. [2023-11-26 11:56:55,635 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2023-11-26 11:56:55,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:55,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:55,636 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 7, 5, 2, 1, 1, 1, 1] [2023-11-26 11:56:55,636 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 4, 3, 1] [2023-11-26 11:56:55,637 INFO L748 eck$LassoCheckResult]: Stem: 3495#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3496#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 3497#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 3483#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#0(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 3484#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3510#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3509#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3508#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3507#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3504#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3506#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3505#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3503#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3502#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3501#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3500#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 3498#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3499#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3528#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3526#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3493#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3494#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3487#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3488#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3490#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3519#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3522#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3520#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3518#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3516#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3514#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3511#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 3491#L556-2 [2023-11-26 11:56:55,637 INFO L750 eck$LassoCheckResult]: Loop: 3491#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3492#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3485#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3486#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3489#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3530#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3529#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3527#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3525#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3524#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3523#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3521#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3513#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3517#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3515#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3512#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 3491#L556-2 [2023-11-26 11:56:55,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:55,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1170691657, now seen corresponding path program 14 times [2023-11-26 11:56:55,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:55,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736037092] [2023-11-26 11:56:55,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:55,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:56,530 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 3 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:56,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:56,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736037092] [2023-11-26 11:56:56,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736037092] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:56:56,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477106378] [2023-11-26 11:56:56,531 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 11:56:56,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:56:56,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:56,537 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:56:56,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2023-11-26 11:56:56,706 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 11:56:56,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:56:56,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-26 11:56:56,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:56,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 11:56:56,801 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 42 treesize of output 19 [2023-11-26 11:56:56,854 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 [2023-11-26 11:56:56,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 11:56:57,024 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 58 treesize of output 38 [2023-11-26 11:56:57,151 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 60 treesize of output 33 [2023-11-26 11:56:57,243 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 60 treesize of output 33 [2023-11-26 11:56:57,325 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 60 treesize of output 33 [2023-11-26 11:56:57,398 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 39 treesize of output 27 [2023-11-26 11:56:57,402 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 31 treesize of output 19 [2023-11-26 11:56:57,442 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 4 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:57,442 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:56:57,798 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 53 treesize of output 37 [2023-11-26 11:56:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 4 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:57,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477106378] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:56:57,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:56:57,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 32 [2023-11-26 11:56:57,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856076126] [2023-11-26 11:56:57,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:56:57,977 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:56:57,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:57,977 INFO L85 PathProgramCache]: Analyzing trace with hash 563187355, now seen corresponding path program 6 times [2023-11-26 11:56:57,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:57,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617140230] [2023-11-26 11:56:57,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:57,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:57,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:58,002 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:58,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:58,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-26 11:56:58,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=901, Unknown=0, NotChecked=0, Total=1056 [2023-11-26 11:56:58,844 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. cyclomatic complexity: 6 Second operand has 33 states, 32 states have (on average 2.4375) internal successors, (78), 33 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:59,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:59,538 INFO L93 Difference]: Finished difference Result 65 states and 68 transitions. [2023-11-26 11:56:59,539 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 68 transitions. [2023-11-26 11:56:59,539 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2023-11-26 11:56:59,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 62 states and 65 transitions. [2023-11-26 11:56:59,540 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2023-11-26 11:56:59,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2023-11-26 11:56:59,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 65 transitions. [2023-11-26 11:56:59,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:56:59,541 INFO L218 hiAutomatonCegarLoop]: Abstraction has 62 states and 65 transitions. [2023-11-26 11:56:59,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 65 transitions. [2023-11-26 11:56:59,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 56. [2023-11-26 11:56:59,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.0535714285714286) internal successors, (59), 55 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:59,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2023-11-26 11:56:59,544 INFO L240 hiAutomatonCegarLoop]: Abstraction has 56 states and 59 transitions. [2023-11-26 11:56:59,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-26 11:56:59,556 INFO L428 stractBuchiCegarLoop]: Abstraction has 56 states and 59 transitions. [2023-11-26 11:56:59,556 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2023-11-26 11:56:59,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 59 transitions. [2023-11-26 11:56:59,557 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2023-11-26 11:56:59,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:59,557 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:59,559 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 8, 6, 2, 1, 1, 1, 1] [2023-11-26 11:56:59,559 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [5, 5, 5, 4, 1] [2023-11-26 11:56:59,560 INFO L748 eck$LassoCheckResult]: Stem: 3855#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3856#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~mem11#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~short15#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~id~0#1.base, main_~id~0#1.offset, main_~maxId~0#1.base, main_~maxId~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~id~0#1.base, main_~id~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~maxId~0#1.base, main_~maxId~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~id~0#1.base, main_~id~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#2(main_#t~nondet5#1, main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);havoc main_#t~nondet5#1;call main_#t~mem6#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short9#1 := 0 <= main_#t~mem6#1; 3857#L552 assume main_#t~short9#1;call main_#t~mem7#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call main_#t~mem8#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4);main_#t~short9#1 := main_#t~mem7#1 < main_#t~mem8#1; 3844#L552-2 assume main_#t~short9#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~mem11#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);call write~int#0(1 + main_#t~mem11#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem11#1; 3845#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3858#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3859#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3870#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3869#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3866#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3868#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3867#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3865#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3864#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3863#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3862#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 3861#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3860#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3848#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3849#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3852#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3854#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3899#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3898#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3897#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3896#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3895#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3894#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3893#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3880#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3892#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3881#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3879#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3877#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3875#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3871#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 3872#L556-2 [2023-11-26 11:56:59,561 INFO L750 eck$LassoCheckResult]: Loop: 3872#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3891#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3890#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3850#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3851#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3853#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3846#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3847#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3889#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3888#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3887#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3886#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3885#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3884#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3883#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3882#L556 assume main_#t~mem16#1 < main_#t~mem17#1;havoc main_#t~mem16#1;havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call write~int#0(1 + main_#t~mem18#1, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem18#1; 3874#L556-2 call main_#t~mem12#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem13#1 := read~int#1(main_~id~0#1.base, main_~id~0#1.offset, 4);main_#t~short15#1 := main_#t~mem12#1 != main_#t~mem13#1; 3878#L555-1 assume main_#t~short15#1;havoc main_#t~nondet14#1;main_#t~short15#1 := 0 != main_#t~nondet14#1; 3876#L555-3 assume !!main_#t~short15#1;havoc main_#t~mem12#1;havoc main_#t~mem13#1;havoc main_#t~nondet14#1;havoc main_#t~short15#1;call main_#t~mem16#1 := read~int#0(main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem17#1 := read~int#2(main_~maxId~0#1.base, main_~maxId~0#1.offset, 4); 3873#L556 assume !(main_#t~mem16#1 < main_#t~mem17#1);havoc main_#t~mem16#1;havoc main_#t~mem17#1;call write~int#0(0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4); 3872#L556-2 [2023-11-26 11:56:59,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:59,561 INFO L85 PathProgramCache]: Analyzing trace with hash 901404637, now seen corresponding path program 15 times [2023-11-26 11:56:59,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:59,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718950847] [2023-11-26 11:56:59,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:59,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:00,946 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 10 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:57:00,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:00,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718950847] [2023-11-26 11:57:00,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718950847] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:57:00,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612368572] [2023-11-26 11:57:00,947 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 11:57:00,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:00,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:00,950 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:57:00,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1318c978-870d-45f4-8a38-2b4f450c5203/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Waiting until timeout for monitored process [2023-11-26 11:57:01,146 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-11-26 11:57:01,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:57:01,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-26 11:57:01,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:01,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 11:57:01,528 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 48 treesize of output 21 [2023-11-26 11:57:01,744 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 48 treesize of output 28 [2023-11-26 11:57:01,998 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 75 treesize of output 40 [2023-11-26 11:57:02,068 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 61 treesize of output 41