./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/list-ext-properties/simple-ext.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/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_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/list-ext-properties/simple-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:48:14,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:48:14,660 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 10:48:14,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:48:14,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:48:14,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:48:14,692 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:48:14,693 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:48:14,694 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:48:14,695 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:48:14,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:48:14,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:48:14,713 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:48:14,713 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 10:48:14,714 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 10:48:14,715 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 10:48:14,715 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 10:48:14,716 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 10:48:14,716 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 10:48:14,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:48:14,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 10:48:14,718 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:48:14,718 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:48:14,719 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:48:14,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:48:14,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 10:48:14,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 10:48:14,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 10:48:14,721 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:48:14,722 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:48:14,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:48:14,722 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 10:48:14,723 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:48:14,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:48:14,724 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:48:14,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:48:14,724 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:48:14,725 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 10:48:14,725 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_d8a736d6-2c0b-4258-af0a-f116f11515eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 [2023-11-26 10:48:14,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:48:15,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:48:15,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:48:15,019 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:48:15,020 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:48:15,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/list-ext-properties/simple-ext.i [2023-11-26 10:48:18,119 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:48:18,396 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:48:18,397 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/sv-benchmarks/c/list-ext-properties/simple-ext.i [2023-11-26 10:48:18,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/data/a543eef17/5f017f01adb04778b2cb09e6da0b6f68/FLAGd6c6ff115 [2023-11-26 10:48:18,425 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/data/a543eef17/5f017f01adb04778b2cb09e6da0b6f68 [2023-11-26 10:48:18,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:48:18,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:48:18,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:18,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:48:18,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:48:18,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:18" (1/1) ... [2023-11-26 10:48:18,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3839aedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:18, skipping insertion in model container [2023-11-26 10:48:18,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:18" (1/1) ... [2023-11-26 10:48:18,481 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:48:18,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:18,858 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:48:18,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:18,946 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:48:18,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:18 WrapperNode [2023-11-26 10:48:18,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:18,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:18,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:48:18,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:48:18,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:18" (1/1) ... [2023-11-26 10:48:18,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:18" (1/1) ... [2023-11-26 10:48:18,993 INFO L138 Inliner]: procedures = 124, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 84 [2023-11-26 10:48:18,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:18,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:48:18,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:48:18,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:48:19,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:18" (1/1) ... [2023-11-26 10:48:19,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:18" (1/1) ... [2023-11-26 10:48:19,012 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:18" (1/1) ... [2023-11-26 10:48:19,029 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 4 writes are split as follows [0, 4]. [2023-11-26 10:48:19,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:18" (1/1) ... [2023-11-26 10:48:19,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:18" (1/1) ... [2023-11-26 10:48:19,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:18" (1/1) ... [2023-11-26 10:48:19,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:18" (1/1) ... [2023-11-26 10:48:19,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:18" (1/1) ... [2023-11-26 10:48:19,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:18" (1/1) ... [2023-11-26 10:48:19,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:48:19,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:48:19,051 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:48:19,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:48:19,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:18" (1/1) ... [2023-11-26 10:48:19,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:19,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:19,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:19,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 10:48:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:48:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:48:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:48:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:48:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 10:48:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:48:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 10:48:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 10:48:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 10:48:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 10:48:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:48:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:48:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:48:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:48:19,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:48:19,251 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:48:19,254 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:48:19,503 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:48:19,518 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:48:19,519 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-26 10:48:19,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:19 BoogieIcfgContainer [2023-11-26 10:48:19,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:48:19,521 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 10:48:19,522 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 10:48:19,526 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 10:48:19,527 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:48:19,527 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 10:48:18" (1/3) ... [2023-11-26 10:48:19,528 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46f4522c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:48:19, skipping insertion in model container [2023-11-26 10:48:19,528 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:48:19,528 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:18" (2/3) ... [2023-11-26 10:48:19,529 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46f4522c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:48:19, skipping insertion in model container [2023-11-26 10:48:19,529 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:48:19,529 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:19" (3/3) ... [2023-11-26 10:48:19,530 INFO L332 chiAutomizerObserver]: Analyzing ICFG simple-ext.i [2023-11-26 10:48:19,606 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 10:48:19,607 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 10:48:19,607 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 10:48:19,608 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 10:48:19,608 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 10:48:19,608 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 10:48:19,608 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 10:48:19,608 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 10:48:19,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 23 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 10:48:19,633 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 14 [2023-11-26 10:48:19,633 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:48:19,633 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:48:19,639 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 10:48:19,639 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 10:48:19,639 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 10:48:19,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 23 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 10:48:19,644 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 14 [2023-11-26 10:48:19,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:48:19,645 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:48:19,645 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 10:48:19,645 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 10:48:19,653 INFO L748 eck$LassoCheckResult]: Stem: 17#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 11#L533true assume main_~a~0#1.base == 0 && main_~a~0#1.offset == 0;assume { :begin_inline_myexit } true;myexit_#in~s#1 := 1;havoc myexit_~s#1;myexit_~s#1 := myexit_#in~s#1; 2#L525true [2023-11-26 10:48:19,654 INFO L750 eck$LassoCheckResult]: Loop: 2#L525true assume true; 2#L525true [2023-11-26 10:48:19,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:19,660 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2023-11-26 10:48:19,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:19,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643535624] [2023-11-26 10:48:19,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:19,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:19,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:19,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:19,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643535624] [2023-11-26 10:48:19,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643535624] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:19,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:19,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:48:19,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244848885] [2023-11-26 10:48:19,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:19,939 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:48:19,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:19,942 INFO L85 PathProgramCache]: Analyzing trace with hash 115, now seen corresponding path program 1 times [2023-11-26 10:48:19,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:19,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187403983] [2023-11-26 10:48:19,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:19,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:19,962 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:48:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:19,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:48:19,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:20,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:48:20,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:20,057 INFO L87 Difference]: Start difference. First operand has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 23 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:20,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:20,091 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2023-11-26 10:48:20,092 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 26 transitions. [2023-11-26 10:48:20,096 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2023-11-26 10:48:20,100 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 16 states and 20 transitions. [2023-11-26 10:48:20,102 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-26 10:48:20,102 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-11-26 10:48:20,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2023-11-26 10:48:20,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:48:20,105 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-26 10:48:20,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2023-11-26 10:48:20,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-26 10:48:20,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:20,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2023-11-26 10:48:20,137 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-26 10:48:20,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:48:20,143 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-26 10:48:20,144 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 10:48:20,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2023-11-26 10:48:20,148 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2023-11-26 10:48:20,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:48:20,148 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:48:20,149 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-26 10:48:20,149 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-26 10:48:20,149 INFO L748 eck$LassoCheckResult]: Stem: 67#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 63#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 64#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 65#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 56#L537-5 [2023-11-26 10:48:20,151 INFO L750 eck$LassoCheckResult]: Loop: 56#L537-5 main_#t~short5#1 := main_~i~0#1 < 30; 58#L537-1 assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1; 59#L537-3 assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 61#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 55#L540-1 call write~$Pointer$#1(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 56#L537-5 [2023-11-26 10:48:20,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:20,152 INFO L85 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2023-11-26 10:48:20,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:20,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49074881] [2023-11-26 10:48:20,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:20,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:20,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:48:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:20,217 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:48:20,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:20,218 INFO L85 PathProgramCache]: Analyzing trace with hash 43044216, now seen corresponding path program 1 times [2023-11-26 10:48:20,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:20,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35368861] [2023-11-26 10:48:20,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:20,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:20,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:48:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:20,278 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:48:20,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:20,279 INFO L85 PathProgramCache]: Analyzing trace with hash 2099908596, now seen corresponding path program 1 times [2023-11-26 10:48:20,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:20,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663109634] [2023-11-26 10:48:20,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:20,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:20,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:48:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:20,351 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:48:21,275 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:48:21,276 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:48:21,276 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:48:21,276 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:48:21,276 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:48:21,276 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:21,277 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:48:21,277 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:48:21,277 INFO L133 ssoRankerPreferences]: Filename of dumped script: simple-ext.i_Iteration2_Lasso [2023-11-26 10:48:21,277 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:48:21,277 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:48:21,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,310 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,323 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,329 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:21,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:48:22,270 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:48:22,274 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:48:22,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:22,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:22,280 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:22,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 10:48:22,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:22,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:22,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:22,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:22,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:22,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:22,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:22,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:22,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:22,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-26 10:48:22,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:22,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:22,328 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:22,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 10:48:22,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:22,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:22,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:22,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:22,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:22,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:22,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:22,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:22,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:22,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:22,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:22,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:22,377 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:22,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:22,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:22,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:22,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:22,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:22,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:22,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:22,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:22,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 10:48:22,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:22,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:22,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:22,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:22,422 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:22,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:22,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 10:48:22,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:22,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:22,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:22,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:22,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:22,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:22,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:22,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:22,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:22,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:22,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:22,470 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:22,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:22,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:22,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:22,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:22,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:22,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:22,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 10:48:22,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:22,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:22,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:22,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:22,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:22,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:22,514 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:22,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:22,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:22,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:22,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:22,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:22,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 10:48:22,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:48:22,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:48:22,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:22,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:22,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:22,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:22,573 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:22,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 10:48:22,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:22,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:22,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:22,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:22,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:22,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:22,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:22,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:22,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:22,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:22,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:22,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:22,638 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:22,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 10:48:22,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:22,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:22,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:22,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:22,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:22,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:22,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:22,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:22,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:22,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-26 10:48:22,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:22,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:22,677 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:22,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 10:48:22,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:22,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:22,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:22,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:22,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:22,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:22,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:22,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:22,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:22,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:22,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:22,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:22,742 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:22,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:22,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 10:48:22,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:22,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:22,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:22,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:22,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:22,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:22,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:22,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:22,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:22,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:22,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:22,802 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:22,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:22,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:22,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:22,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:22,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:22,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:22,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:22,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:22,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 10:48:22,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:22,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:22,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:22,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:22,851 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:22,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 10:48:22,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:22,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:22,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:22,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:22,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:22,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:22,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:22,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:22,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:22,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:22,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:22,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:22,879 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:22,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 10:48:22,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:22,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:22,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:22,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:22,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:22,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:22,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:22,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:22,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:22,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:22,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:22,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:22,909 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:22,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 10:48:22,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:22,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:22,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:22,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:22,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:22,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:22,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:22,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:22,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:22,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:22,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:22,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:22,932 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:22,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 10:48:22,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:22,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:22,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:22,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:22,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:22,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:48:22,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:48:22,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:22,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:22,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:22,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:22,990 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:23,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 10:48:23,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:48:23,017 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:48:23,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,039 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 10:48:23,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:23,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:23,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:23,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:23,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,079 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:23,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 10:48:23,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:48:23,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:48:23,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,120 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:23,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:23,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:23,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:23,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 10:48:23,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,174 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:23,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 10:48:23,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:48:23,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:48:23,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,226 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:23,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 10:48:23,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:23,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:23,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:23,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,275 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:23,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 10:48:23,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:23,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:23,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:23,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,313 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:23,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:23,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 10:48:23,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:23,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:23,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,358 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:23,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:23,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:23,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:23,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 10:48:23,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,406 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 10:48:23,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:23,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:48:23,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:48:23,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,450 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:23,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:23,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:23,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:23,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 10:48:23,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,488 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:23,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:23,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 10:48:23,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:23,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:23,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-26 10:48:23,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,541 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 10:48:23,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:23,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:23,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:23,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:23,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-26 10:48:23,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,561 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 10:48:23,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:23,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:23,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:23,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:23,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,583 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-26 10:48:23,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:23,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,596 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-26 10:48:23,597 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-26 10:48:23,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,611 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2023-11-26 10:48:23,611 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 10:48:23,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,645 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,653 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 10:48:23,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-26 10:48:23,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,670 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:48:23,670 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:48:23,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,706 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,709 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 10:48:23,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:48:23,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:48:23,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:48:23,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-26 10:48:23,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,762 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,766 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 10:48:23,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-26 10:48:23,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:48:23,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:48:23,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,806 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,813 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 10:48:23,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-26 10:48:23,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:48:23,830 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:48:23,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,863 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:23,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-26 10:48:23,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:48:23,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:48:23,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,917 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:23,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-26 10:48:23,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:48:23,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:48:23,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:48:23,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:23,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:23,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:23,974 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:23,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:48:23,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-26 10:48:23,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:48:23,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:48:23,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:48:23,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:48:23,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:48:23,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:48:24,011 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:48:24,022 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-11-26 10:48:24,023 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-11-26 10:48:24,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:48:24,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:24,048 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:24,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-26 10:48:24,058 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:48:24,069 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:48:24,069 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:48:24,070 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 59 Supporting invariants [] [2023-11-26 10:48:24,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:24,092 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2023-11-26 10:48:24,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:24,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:48:24,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:24,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:48:24,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:24,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:24,235 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 10:48:24,237 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 10:48:24,314 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 27 states and 35 transitions. Complement of second has 9 states. [2023-11-26 10:48:24,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-26 10:48:24,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 10:48:24,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2023-11-26 10:48:24,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 4 letters. Loop has 5 letters. [2023-11-26 10:48:24,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:48:24,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 9 letters. Loop has 5 letters. [2023-11-26 10:48:24,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:48:24,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 4 letters. Loop has 10 letters. [2023-11-26 10:48:24,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:48:24,320 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 35 transitions. [2023-11-26 10:48:24,321 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2023-11-26 10:48:24,322 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 23 states and 30 transitions. [2023-11-26 10:48:24,322 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-26 10:48:24,322 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-26 10:48:24,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 30 transitions. [2023-11-26 10:48:24,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:48:24,323 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 30 transitions. [2023-11-26 10:48:24,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 30 transitions. [2023-11-26 10:48:24,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2023-11-26 10:48:24,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:24,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2023-11-26 10:48:24,326 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2023-11-26 10:48:24,326 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2023-11-26 10:48:24,326 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 10:48:24,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2023-11-26 10:48:24,327 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2023-11-26 10:48:24,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:48:24,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:48:24,327 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:24,327 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:48:24,328 INFO L748 eck$LassoCheckResult]: Stem: 188#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 183#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 184#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 185#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 186#L537-5 main_#t~short5#1 := main_~i~0#1 < 30; 176#L537-1 assume !main_#t~short5#1; 177#L537-3 assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; 180#L537-6 call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$#1(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 189#L549-2 [2023-11-26 10:48:24,328 INFO L750 eck$LassoCheckResult]: Loop: 189#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem9#1 := read~int#1(main_~p~0#1.base, main_~p~0#1.offset, 4); 190#L550 assume !(1 != main_#t~mem9#1);havoc main_#t~mem9#1; 191#L550-2 call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 189#L549-2 [2023-11-26 10:48:24,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:24,328 INFO L85 PathProgramCache]: Analyzing trace with hash 206288184, now seen corresponding path program 1 times [2023-11-26 10:48:24,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:24,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698084149] [2023-11-26 10:48:24,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:24,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:24,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:24,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:24,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698084149] [2023-11-26 10:48:24,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698084149] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:24,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:24,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:48:24,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177862425] [2023-11-26 10:48:24,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:24,492 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:48:24,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:24,493 INFO L85 PathProgramCache]: Analyzing trace with hash 76912, now seen corresponding path program 1 times [2023-11-26 10:48:24,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:24,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853400060] [2023-11-26 10:48:24,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:24,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:24,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:48:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:24,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:48:24,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:24,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:24,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:48:24,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:48:24,638 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 10 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:24,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:24,692 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2023-11-26 10:48:24,692 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2023-11-26 10:48:24,696 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 7 [2023-11-26 10:48:24,697 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 42 transitions. [2023-11-26 10:48:24,698 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2023-11-26 10:48:24,698 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2023-11-26 10:48:24,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 42 transitions. [2023-11-26 10:48:24,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:48:24,699 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 42 transitions. [2023-11-26 10:48:24,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 42 transitions. [2023-11-26 10:48:24,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 22. [2023-11-26 10:48:24,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:24,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2023-11-26 10:48:24,705 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2023-11-26 10:48:24,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:48:24,707 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2023-11-26 10:48:24,707 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 10:48:24,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2023-11-26 10:48:24,710 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2023-11-26 10:48:24,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:48:24,710 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:48:24,712 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:24,712 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:48:24,712 INFO L748 eck$LassoCheckResult]: Stem: 253#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 246#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 247#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 248#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 249#L537-5 main_#t~short5#1 := main_~i~0#1 < 30; 238#L537-1 assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1; 239#L537-3 assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; 242#L537-6 call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$#1(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 254#L549-2 [2023-11-26 10:48:24,712 INFO L750 eck$LassoCheckResult]: Loop: 254#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem9#1 := read~int#1(main_~p~0#1.base, main_~p~0#1.offset, 4); 255#L550 assume !(1 != main_#t~mem9#1);havoc main_#t~mem9#1; 256#L550-2 call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 254#L549-2 [2023-11-26 10:48:24,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:24,713 INFO L85 PathProgramCache]: Analyzing trace with hash 206286262, now seen corresponding path program 1 times [2023-11-26 10:48:24,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:24,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231034487] [2023-11-26 10:48:24,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:24,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:24,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:48:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:24,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:48:24,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:24,770 INFO L85 PathProgramCache]: Analyzing trace with hash 76912, now seen corresponding path program 2 times [2023-11-26 10:48:24,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:24,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608402055] [2023-11-26 10:48:24,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:24,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:24,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:48:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:24,791 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:48:24,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:24,792 INFO L85 PathProgramCache]: Analyzing trace with hash -624122213, now seen corresponding path program 1 times [2023-11-26 10:48:24,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:24,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811334579] [2023-11-26 10:48:24,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:24,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:25,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:25,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:25,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811334579] [2023-11-26 10:48:25,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811334579] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:25,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:25,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:48:25,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886960156] [2023-11-26 10:48:25,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:25,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:25,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:48:25,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:25,154 INFO L87 Difference]: Start difference. First operand 22 states and 28 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:25,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:25,252 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2023-11-26 10:48:25,252 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 46 transitions. [2023-11-26 10:48:25,254 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 6 [2023-11-26 10:48:25,256 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 37 states and 45 transitions. [2023-11-26 10:48:25,256 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2023-11-26 10:48:25,257 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2023-11-26 10:48:25,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 45 transitions. [2023-11-26 10:48:25,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:48:25,257 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 45 transitions. [2023-11-26 10:48:25,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 45 transitions. [2023-11-26 10:48:25,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 25. [2023-11-26 10:48:25,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.28) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:25,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2023-11-26 10:48:25,264 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 32 transitions. [2023-11-26 10:48:25,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:48:25,266 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2023-11-26 10:48:25,266 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 10:48:25,266 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2023-11-26 10:48:25,269 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2023-11-26 10:48:25,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:48:25,269 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:48:25,269 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:25,269 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 10:48:25,270 INFO L748 eck$LassoCheckResult]: Stem: 327#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 320#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 321#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 322#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 323#L537-5 main_#t~short5#1 := main_~i~0#1 < 30; 312#L537-1 assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1; 313#L537-3 assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 317#L540 assume main_~t~0#1.base == 0 && main_~t~0#1.offset == 0;assume { :begin_inline_myexit } true;myexit_#in~s#1 := 1;havoc myexit_~s#1;myexit_~s#1 := myexit_#in~s#1; 326#L525-1 [2023-11-26 10:48:25,270 INFO L750 eck$LassoCheckResult]: Loop: 326#L525-1 assume true; 326#L525-1 [2023-11-26 10:48:25,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:25,270 INFO L85 PathProgramCache]: Analyzing trace with hash 206286315, now seen corresponding path program 1 times [2023-11-26 10:48:25,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:25,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608575427] [2023-11-26 10:48:25,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:25,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:25,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:25,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:25,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608575427] [2023-11-26 10:48:25,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608575427] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:25,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:25,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:48:25,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034567988] [2023-11-26 10:48:25,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:25,306 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:48:25,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:25,308 INFO L85 PathProgramCache]: Analyzing trace with hash 116, now seen corresponding path program 1 times [2023-11-26 10:48:25,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:25,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940942698] [2023-11-26 10:48:25,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:25,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:25,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:48:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:25,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:48:25,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:25,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:48:25,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:25,316 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. cyclomatic complexity: 11 Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:25,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:25,329 INFO L93 Difference]: Finished difference Result 27 states and 33 transitions. [2023-11-26 10:48:25,329 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 33 transitions. [2023-11-26 10:48:25,334 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2023-11-26 10:48:25,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 26 states and 31 transitions. [2023-11-26 10:48:25,337 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-26 10:48:25,337 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-26 10:48:25,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 31 transitions. [2023-11-26 10:48:25,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:48:25,338 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 31 transitions. [2023-11-26 10:48:25,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 31 transitions. [2023-11-26 10:48:25,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2023-11-26 10:48:25,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:25,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2023-11-26 10:48:25,343 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2023-11-26 10:48:25,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:48:25,346 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2023-11-26 10:48:25,346 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 10:48:25,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 28 transitions. [2023-11-26 10:48:25,346 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-26 10:48:25,347 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:48:25,347 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:48:25,347 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:25,348 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 10:48:25,348 INFO L748 eck$LassoCheckResult]: Stem: 383#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 377#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 378#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 379#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 380#L537-5 main_#t~short5#1 := main_~i~0#1 < 30; 370#L537-1 assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1; 371#L537-3 assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; 374#L537-6 call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$#1(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 384#L549-2 assume !(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); 376#L549-3 main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; 369#L557-2 [2023-11-26 10:48:25,348 INFO L750 eck$LassoCheckResult]: Loop: 369#L557-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;call ULTIMATE.dealloc(main_~p~0#1.base, main_~p~0#1.offset);main_~p~0#1.base, main_~p~0#1.offset := main_~tmp~0#1.base, main_~tmp~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset; 369#L557-2 [2023-11-26 10:48:25,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:25,349 INFO L85 PathProgramCache]: Analyzing trace with hash 672603628, now seen corresponding path program 1 times [2023-11-26 10:48:25,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:25,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098071311] [2023-11-26 10:48:25,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:25,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:25,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:25,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:25,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098071311] [2023-11-26 10:48:25,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098071311] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:25,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:25,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:48:25,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93246714] [2023-11-26 10:48:25,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:25,414 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:48:25,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:25,414 INFO L85 PathProgramCache]: Analyzing trace with hash 107, now seen corresponding path program 1 times [2023-11-26 10:48:25,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:25,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327306021] [2023-11-26 10:48:25,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:25,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:25,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:48:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:25,424 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:48:25,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:25,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:48:25,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:48:25,490 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:25,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:25,528 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2023-11-26 10:48:25,528 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 34 transitions. [2023-11-26 10:48:25,528 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-26 10:48:25,529 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 26 states and 30 transitions. [2023-11-26 10:48:25,529 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-26 10:48:25,529 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-26 10:48:25,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 30 transitions. [2023-11-26 10:48:25,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:48:25,529 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 30 transitions. [2023-11-26 10:48:25,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 30 transitions. [2023-11-26 10:48:25,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2023-11-26 10:48:25,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.2) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:25,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2023-11-26 10:48:25,532 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2023-11-26 10:48:25,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:48:25,533 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2023-11-26 10:48:25,533 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 10:48:25,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 24 transitions. [2023-11-26 10:48:25,533 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-26 10:48:25,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:48:25,534 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:48:25,534 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:25,534 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:48:25,536 INFO L748 eck$LassoCheckResult]: Stem: 444#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 439#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 440#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 441#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 442#L537-5 main_#t~short5#1 := main_~i~0#1 < 30; 434#L537-1 assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1; 435#L537-3 assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 437#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 429#L540-1 call write~$Pointer$#1(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 430#L537-5 main_#t~short5#1 := main_~i~0#1 < 30; 432#L537-1 assume !main_#t~short5#1; 433#L537-3 assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; 436#L537-6 call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$#1(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 445#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem9#1 := read~int#1(main_~p~0#1.base, main_~p~0#1.offset, 4); 446#L550 [2023-11-26 10:48:25,537 INFO L750 eck$LassoCheckResult]: Loop: 446#L550 assume !(1 != main_#t~mem9#1);havoc main_#t~mem9#1; 447#L550-2 call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 448#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem9#1 := read~int#1(main_~p~0#1.base, main_~p~0#1.offset, 4); 446#L550 [2023-11-26 10:48:25,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:25,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1728225128, now seen corresponding path program 1 times [2023-11-26 10:48:25,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:25,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828441187] [2023-11-26 10:48:25,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:25,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:25,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:25,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:25,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828441187] [2023-11-26 10:48:25,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828441187] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:48:25,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290742878] [2023-11-26 10:48:25,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:25,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:25,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:25,636 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:25,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2023-11-26 10:48:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:25,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:48:25,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:25,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:25,767 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:48:25,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:25,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290742878] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:48:25,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:48:25,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2023-11-26 10:48:25,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822892389] [2023-11-26 10:48:25,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:48:25,802 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:48:25,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:25,803 INFO L85 PathProgramCache]: Analyzing trace with hash 90412, now seen corresponding path program 3 times [2023-11-26 10:48:25,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:25,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267240252] [2023-11-26 10:48:25,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:25,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:25,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:48:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:25,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:48:25,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:25,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 10:48:25,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:48:25,943 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. cyclomatic complexity: 7 Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:26,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:26,058 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2023-11-26 10:48:26,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 74 transitions. [2023-11-26 10:48:26,059 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 7 [2023-11-26 10:48:26,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 64 states and 74 transitions. [2023-11-26 10:48:26,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2023-11-26 10:48:26,061 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2023-11-26 10:48:26,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 74 transitions. [2023-11-26 10:48:26,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:48:26,061 INFO L218 hiAutomatonCegarLoop]: Abstraction has 64 states and 74 transitions. [2023-11-26 10:48:26,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 74 transitions. [2023-11-26 10:48:26,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 36. [2023-11-26 10:48:26,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.1944444444444444) internal successors, (43), 35 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:26,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 43 transitions. [2023-11-26 10:48:26,064 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 43 transitions. [2023-11-26 10:48:26,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 10:48:26,066 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 43 transitions. [2023-11-26 10:48:26,066 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-26 10:48:26,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 43 transitions. [2023-11-26 10:48:26,067 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-26 10:48:26,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:48:26,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:48:26,092 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:26,092 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:48:26,092 INFO L748 eck$LassoCheckResult]: Stem: 628#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 620#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 621#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 622#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 623#L537-5 main_#t~short5#1 := main_~i~0#1 < 30; 624#L537-1 assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1; 645#L537-3 assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 626#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 627#L540-1 call write~$Pointer$#1(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 625#L537-5 main_#t~short5#1 := main_~i~0#1 < 30; 613#L537-1 assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1; 614#L537-3 assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; 617#L537-6 call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$#1(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 629#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem9#1 := read~int#1(main_~p~0#1.base, main_~p~0#1.offset, 4); 630#L550 [2023-11-26 10:48:26,092 INFO L750 eck$LassoCheckResult]: Loop: 630#L550 assume !(1 != main_#t~mem9#1);havoc main_#t~mem9#1; 631#L550-2 call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 632#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem9#1 := read~int#1(main_~p~0#1.base, main_~p~0#1.offset, 4); 630#L550 [2023-11-26 10:48:26,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:26,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1728165546, now seen corresponding path program 1 times [2023-11-26 10:48:26,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:26,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496660067] [2023-11-26 10:48:26,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:26,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:26,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:48:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:26,147 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:48:26,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:26,148 INFO L85 PathProgramCache]: Analyzing trace with hash 90412, now seen corresponding path program 4 times [2023-11-26 10:48:26,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:26,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809747028] [2023-11-26 10:48:26,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:26,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:26,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:48:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:26,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:48:26,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:26,159 INFO L85 PathProgramCache]: Analyzing trace with hash 6864355, now seen corresponding path program 1 times [2023-11-26 10:48:26,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:26,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456172180] [2023-11-26 10:48:26,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:26,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:26,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:26,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:26,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456172180] [2023-11-26 10:48:26,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456172180] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:48:26,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777133906] [2023-11-26 10:48:26,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:26,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:26,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:26,453 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:26,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2023-11-26 10:48:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:26,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-26 10:48:26,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:26,646 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 10:48:26,660 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-26 10:48:26,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-26 10:48:26,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-26 10:48:26,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-26 10:48:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:26,795 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:48:27,074 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:48:27,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 30 [2023-11-26 10:48:27,093 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:48:27,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2023-11-26 10:48:27,112 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-11-26 10:48:27,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2023-11-26 10:48:27,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2023-11-26 10:48:27,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:27,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777133906] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:48:27,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:48:27,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 18 [2023-11-26 10:48:27,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677614830] [2023-11-26 10:48:27,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:48:27,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:27,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-26 10:48:27,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=249, Unknown=3, NotChecked=0, Total=306 [2023-11-26 10:48:27,456 INFO L87 Difference]: Start difference. First operand 36 states and 43 transitions. cyclomatic complexity: 10 Second operand has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:27,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:27,733 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2023-11-26 10:48:27,734 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 49 transitions. [2023-11-26 10:48:27,734 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-26 10:48:27,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 38 states and 44 transitions. [2023-11-26 10:48:27,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-26 10:48:27,735 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-26 10:48:27,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 44 transitions. [2023-11-26 10:48:27,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:48:27,736 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 44 transitions. [2023-11-26 10:48:27,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 44 transitions. [2023-11-26 10:48:27,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2023-11-26 10:48:27,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 35 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:27,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2023-11-26 10:48:27,738 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 42 transitions. [2023-11-26 10:48:27,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 10:48:27,740 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 42 transitions. [2023-11-26 10:48:27,740 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-26 10:48:27,740 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 42 transitions. [2023-11-26 10:48:27,741 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-26 10:48:27,741 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:48:27,741 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:48:27,742 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:27,742 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:48:27,742 INFO L748 eck$LassoCheckResult]: Stem: 832#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 824#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~nondet4#1, main_#t~short5#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 825#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 826#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 827#L537-5 main_#t~short5#1 := main_~i~0#1 < 30; 828#L537-1 assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1; 845#L537-3 assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 843#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 841#L540-1 call write~$Pointer$#1(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 829#L537-5 main_#t~short5#1 := main_~i~0#1 < 30; 819#L537-1 assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1; 820#L537-3 assume !!main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 822#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 814#L540-1 call write~$Pointer$#1(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 815#L537-5 main_#t~short5#1 := main_~i~0#1 < 30; 817#L537-1 assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1; 818#L537-3 assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1; 821#L537-6 call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$#1(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 830#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem9#1 := read~int#1(main_~p~0#1.base, main_~p~0#1.offset, 4); 831#L550 [2023-11-26 10:48:27,742 INFO L750 eck$LassoCheckResult]: Loop: 831#L550 assume !(1 != main_#t~mem9#1);havoc main_#t~mem9#1; 833#L550-2 call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 834#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem9#1 := read~int#1(main_~p~0#1.base, main_~p~0#1.offset, 4); 831#L550 [2023-11-26 10:48:27,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:27,743 INFO L85 PathProgramCache]: Analyzing trace with hash 46254041, now seen corresponding path program 2 times [2023-11-26 10:48:27,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:27,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072774766] [2023-11-26 10:48:27,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:27,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:27,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:48:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:27,829 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:48:27,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:27,831 INFO L85 PathProgramCache]: Analyzing trace with hash 90412, now seen corresponding path program 5 times [2023-11-26 10:48:27,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:27,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44768356] [2023-11-26 10:48:27,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:27,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:27,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:48:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:27,840 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:48:27,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:27,842 INFO L85 PathProgramCache]: Analyzing trace with hash -730305964, now seen corresponding path program 2 times [2023-11-26 10:48:27,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:27,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758647880] [2023-11-26 10:48:27,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:27,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:28,349 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 10:48:28,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:28,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758647880] [2023-11-26 10:48:28,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758647880] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:48:28,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233597451] [2023-11-26 10:48:28,350 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 10:48:28,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:28,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:28,356 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:28,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2023-11-26 10:48:28,488 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 10:48:28,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:48:28,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-26 10:48:28,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:28,569 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 10:48:28,580 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-26 10:48:28,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-26 10:48:28,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-26 10:48:28,702 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-26 10:48:28,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-26 10:48:28,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-26 10:48:28,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-26 10:48:28,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-26 10:48:28,855 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 10:48:28,856 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:48:29,191 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-11-26 10:48:29,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2023-11-26 10:48:29,336 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:48:29,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 33 [2023-11-26 10:48:29,353 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:48:29,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 131 treesize of output 130 [2023-11-26 10:48:29,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 50 [2023-11-26 10:48:29,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2023-11-26 10:48:29,396 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-11-26 10:48:29,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2023-11-26 10:48:29,632 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 10:48:29,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233597451] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:48:29,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:48:29,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 24 [2023-11-26 10:48:29,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485141327] [2023-11-26 10:48:29,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:48:29,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:29,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-26 10:48:29,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=464, Unknown=6, NotChecked=0, Total=552 [2023-11-26 10:48:29,743 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. cyclomatic complexity: 9 Second operand has 24 states, 24 states have (on average 2.4583333333333335) internal successors, (59), 24 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 10:48:29,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:29,943 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2023-11-26 10:48:29,943 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 36 transitions. [2023-11-26 10:48:29,944 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 10:48:29,944 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2023-11-26 10:48:29,944 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 10:48:29,944 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 10:48:29,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 10:48:29,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:48:29,944 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:48:29,944 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:48:29,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 10:48:29,945 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:48:29,945 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-26 10:48:29,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:48:29,945 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 10:48:29,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 10:48:29,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 10:48:29 BoogieIcfgContainer [2023-11-26 10:48:29,954 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 10:48:29,955 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:48:29,955 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:48:29,955 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:48:29,956 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:19" (3/4) ... [2023-11-26 10:48:29,959 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:48:29,960 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:48:29,961 INFO L158 Benchmark]: Toolchain (without parser) took 11531.62ms. Allocated memory was 138.4MB in the beginning and 234.9MB in the end (delta: 96.5MB). Free memory was 92.6MB in the beginning and 90.0MB in the end (delta: 2.6MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. [2023-11-26 10:48:29,962 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:48:29,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.13ms. Allocated memory is still 138.4MB. Free memory was 92.6MB in the beginning and 75.1MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 10:48:29,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.11ms. Allocated memory is still 138.4MB. Free memory was 75.1MB in the beginning and 73.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:48:29,963 INFO L158 Benchmark]: Boogie Preprocessor took 55.99ms. Allocated memory is still 138.4MB. Free memory was 73.2MB in the beginning and 70.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:48:29,964 INFO L158 Benchmark]: RCFGBuilder took 469.29ms. Allocated memory is still 138.4MB. Free memory was 70.6MB in the beginning and 56.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 10:48:29,964 INFO L158 Benchmark]: BuchiAutomizer took 10433.14ms. Allocated memory was 138.4MB in the beginning and 234.9MB in the end (delta: 96.5MB). Free memory was 56.9MB in the beginning and 90.0MB in the end (delta: -33.1MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2023-11-26 10:48:29,964 INFO L158 Benchmark]: Witness Printer took 5.41ms. Allocated memory is still 234.9MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:48:29,966 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.13ms. Allocated memory is still 138.4MB. Free memory was 92.6MB in the beginning and 75.1MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.11ms. Allocated memory is still 138.4MB. Free memory was 75.1MB in the beginning and 73.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.99ms. Allocated memory is still 138.4MB. Free memory was 73.2MB in the beginning and 70.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 469.29ms. Allocated memory is still 138.4MB. Free memory was 70.6MB in the beginning and 56.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 10433.14ms. Allocated memory was 138.4MB in the beginning and 234.9MB in the end (delta: 96.5MB). Free memory was 56.9MB in the beginning and 90.0MB in the end (delta: -33.1MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. * Witness Printer took 5.41ms. Allocated memory is still 234.9MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (8 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-2 * i) + 59) and consists of 5 locations. 8 modules have a trivial ranking function, the largest among these consists of 24 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.3s and 10 iterations. TraceHistogramMax:3. Analysis of lassos took 9.0s. Construction of modules took 0.5s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 66 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 232 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 231 mSDsluCounter, 371 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 253 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 419 IncrementalHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 118 mSDtfsCounter, 419 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN2 SILU3 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital214 mio100 ax108 hnf100 lsp83 ukn54 mio100 lsp27 div100 bol100 ite100 ukn100 eq155 hnf95 smp100 dnf158 smp88 tf100 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 56ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 10:48:29,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:30,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2023-11-26 10:48:30,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2023-11-26 10:48:30,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a736d6-2c0b-4258-af0a-f116f11515eb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE