./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/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_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:43:23,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:43:23,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-26 10:43:24,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:43:24,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:43:24,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:43:24,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:43:24,036 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:43:24,037 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:43:24,038 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:43:24,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:43:24,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:43:24,041 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:43:24,042 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 10:43:24,043 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 10:43:24,043 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 10:43:24,044 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 10:43:24,045 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 10:43:24,046 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 10:43:24,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:43:24,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 10:43:24,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:43:24,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:43:24,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 10:43:24,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 10:43:24,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 10:43:24,062 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:43:24,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:43:24,063 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 10:43:24,063 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:43:24,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:43:24,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:43:24,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:43:24,066 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:43:24,067 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 10:43:24,067 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_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 [2023-11-26 10:43:24,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:43:24,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:43:24,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:43:24,465 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:43:24,466 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:43:24,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2023-11-26 10:43:27,826 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:43:28,193 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:43:28,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2023-11-26 10:43:28,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/data/0034318e6/6320c5482d2c4dd3b0c185da91f3537a/FLAG85c2fbe98 [2023-11-26 10:43:28,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/data/0034318e6/6320c5482d2c4dd3b0c185da91f3537a [2023-11-26 10:43:28,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:43:28,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:43:28,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:28,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:43:28,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:43:28,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1737bbc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28, skipping insertion in model container [2023-11-26 10:43:28,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:43:28,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:28,515 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:43:28,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:28,550 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:43:28,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28 WrapperNode [2023-11-26 10:43:28,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:28,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:28,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:43:28,553 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:43:28,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,607 INFO L138 Inliner]: procedures = 7, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2023-11-26 10:43:28,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:28,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:43:28,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:43:28,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:43:28,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,623 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,656 INFO L175 MemorySlicer]: Split 15 memory accesses to 4 slices as follows [3, 4, 4, 4]. 27 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0, 0]. The 11 writes are split as follows [2, 3, 3, 3]. [2023-11-26 10:43:28,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:43:28,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:43:28,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:43:28,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:43:28,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:28,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:28,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:28,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 10:43:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:43:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:43:28,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:43:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 10:43:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:43:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:43:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:43:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:43:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:43:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 10:43:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:43:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:43:28,870 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:43:28,873 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:43:29,060 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:43:29,072 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:43:29,072 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:43:29,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:29 BoogieIcfgContainer [2023-11-26 10:43:29,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:43:29,076 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 10:43:29,076 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 10:43:29,081 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 10:43:29,082 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:43:29,083 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 10:43:28" (1/3) ... [2023-11-26 10:43:29,084 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2387feb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:43:29, skipping insertion in model container [2023-11-26 10:43:29,084 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:43:29,084 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (2/3) ... [2023-11-26 10:43:29,085 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2387feb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:43:29, skipping insertion in model container [2023-11-26 10:43:29,085 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:43:29,085 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:29" (3/3) ... [2023-11-26 10:43:29,087 INFO L332 chiAutomizerObserver]: Analyzing ICFG 4BitCounterPointer.c [2023-11-26 10:43:29,155 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 10:43:29,155 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 10:43:29,156 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 10:43:29,156 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 10:43:29,156 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 10:43:29,156 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 10:43:29,156 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 10:43:29,157 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 10:43:29,164 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:29,184 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-26 10:43:29,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:43:29,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:43:29,193 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 10:43:29,193 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:43:29,193 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 10:43:29,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:29,196 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-26 10:43:29,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:43:29,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:43:29,197 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 10:43:29,197 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:43:29,207 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 4#L24-2true [2023-11-26 10:43:29,207 INFO L750 eck$LassoCheckResult]: Loop: 4#L24-2true call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 8#L15-1true assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 2#L16true assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 4#L24-2true [2023-11-26 10:43:29,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:29,213 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-26 10:43:29,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:29,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873486146] [2023-11-26 10:43:29,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:29,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:29,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:29,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:29,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:29,490 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 1 times [2023-11-26 10:43:29,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:29,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196456360] [2023-11-26 10:43:29,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:29,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:29,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:29,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:29,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:29,534 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2023-11-26 10:43:29,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:29,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010820438] [2023-11-26 10:43:29,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:29,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:29,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:29,770 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:31,705 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:43:31,706 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:43:31,706 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:43:31,706 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:43:31,707 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:43:31,707 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:31,707 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:43:31,707 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:43:31,707 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration1_Lasso [2023-11-26 10:43:31,707 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:43:31,708 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:43:31,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:31,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:31,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:31,760 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:31,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:31,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:31,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:31,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:31,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:31,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:31,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:32,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:33,091 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:43:33,100 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:43:33,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:33,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:33,107 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:33,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:33,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 10:43:33,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:33,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:33,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:33,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:33,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:33,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:33,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:33,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:33,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:33,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:33,193 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:33,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 10:43:33,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:33,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:33,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:43:33,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:33,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:33,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:33,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:43:33,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:43:33,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:33,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:33,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:33,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:33,247 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:33,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:33,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 10:43:33,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:33,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:43:33,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:33,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:33,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:33,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:43:33,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:43:33,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:33,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:33,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:33,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:33,307 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:33,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:33,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 10:43:33,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:33,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:33,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:33,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:33,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:33,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:33,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:33,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:33,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:33,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:33,376 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:33,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 10:43:33,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:33,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:33,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:43:33,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:33,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:33,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:33,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:43:33,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:43:33,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:33,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:33,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:33,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:33,430 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:33,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:33,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:33,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:33,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:33,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:33,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 10:43:33,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:33,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:33,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:33,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:33,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:33,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:33,487 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:33,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:33,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 10:43:33,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:33,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:33,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:33,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:33,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:33,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:33,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:33,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:33,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:33,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:33,551 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:33,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 10:43:33,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:33,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:33,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:33,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:33,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:33,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:33,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:33,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:33,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:33,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:33,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:33,603 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:33,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 10:43:33,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:33,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:33,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:43:33,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:33,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:33,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:33,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:43:33,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:43:33,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:33,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:33,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:33,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:33,665 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:33,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:33,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 10:43:33,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:33,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:43:33,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:33,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:33,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:33,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:43:33,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:43:33,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:33,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:33,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:33,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:33,697 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:33,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:33,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 10:43:33,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:33,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:33,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:33,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:33,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:33,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:33,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:33,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:33,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:33,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:33,758 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:33,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 10:43:33,766 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 10:43:33,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:33,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:33,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:33,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:33,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:33,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:33,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:33,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:33,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:33,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:33,808 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:33,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:33,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 10:43:33,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:33,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:33,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:33,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:33,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:33,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:33,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:33,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:33,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:33,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:33,864 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:33,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:33,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 10:43:33,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:33,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:33,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:33,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:33,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:33,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:33,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:33,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-26 10:43:33,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:33,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:33,929 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:33,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:33,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 10:43:33,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:33,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:33,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:33,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:33,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:33,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:33,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:33,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:33,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:33,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:33,990 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:33,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 10:43:33,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:34,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:34,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:34,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:34,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:34,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:34,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:34,042 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:43:34,072 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-26 10:43:34,073 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-26 10:43:34,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:34,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:34,116 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:34,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 10:43:34,124 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:43:34,149 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:43:34,149 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:43:34,150 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#3 ULTIMATE.start_main_~x0~0#1.base) 0)_1) = -2*v_rep(select (select #memory_int#3 ULTIMATE.start_main_~x0~0#1.base) 0)_1 + 1 Supporting invariants [] [2023-11-26 10:43:34,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:34,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:34,326 INFO L156 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2023-11-26 10:43:34,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[~x0~0!base][0] could not be translated [2023-11-26 10:43:34,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:34,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:43:34,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:34,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 10:43:34,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:34,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:34,539 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 10:43:34,541 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:34,623 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 25 states and 33 transitions. Complement of second has 8 states. [2023-11-26 10:43:34,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 10:43:34,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:34,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2023-11-26 10:43:34,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 3 letters. [2023-11-26 10:43:34,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:43:34,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 3 letters. [2023-11-26 10:43:34,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:43:34,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 6 letters. [2023-11-26 10:43:34,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:43:34,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2023-11-26 10:43:34,642 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-26 10:43:34,646 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 13 states and 18 transitions. [2023-11-26 10:43:34,647 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-26 10:43:34,647 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-26 10:43:34,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2023-11-26 10:43:34,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:43:34,649 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-26 10:43:34,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2023-11-26 10:43:34,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-26 10:43:34,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:34,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2023-11-26 10:43:34,679 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-26 10:43:34,679 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-26 10:43:34,679 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 10:43:34,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2023-11-26 10:43:34,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-26 10:43:34,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:43:34,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:43:34,682 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 10:43:34,682 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 10:43:34,683 INFO L748 eck$LassoCheckResult]: Stem: 179#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 180#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 181#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 178#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 171#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 172#L20 [2023-11-26 10:43:34,683 INFO L750 eck$LassoCheckResult]: Loop: 172#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 175#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 176#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 183#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 172#L20 [2023-11-26 10:43:34,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:34,688 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2023-11-26 10:43:34,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:34,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465515707] [2023-11-26 10:43:34,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:34,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:34,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:34,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:34,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465515707] [2023-11-26 10:43:34,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465515707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:34,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:34,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:43:34,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555377961] [2023-11-26 10:43:34,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:34,975 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:43:34,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:34,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1526457, now seen corresponding path program 1 times [2023-11-26 10:43:34,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:34,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137152682] [2023-11-26 10:43:34,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:34,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:34,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:34,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:35,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:35,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:43:35,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:43:35,167 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:35,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:35,197 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2023-11-26 10:43:35,198 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2023-11-26 10:43:35,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-26 10:43:35,199 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 18 states and 22 transitions. [2023-11-26 10:43:35,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-26 10:43:35,200 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-26 10:43:35,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2023-11-26 10:43:35,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:43:35,200 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 22 transitions. [2023-11-26 10:43:35,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2023-11-26 10:43:35,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2023-11-26 10:43:35,202 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 10:43:35,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2023-11-26 10:43:35,203 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-26 10:43:35,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:43:35,204 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-26 10:43:35,204 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 10:43:35,204 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2023-11-26 10:43:35,205 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-26 10:43:35,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:43:35,205 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:43:35,206 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2023-11-26 10:43:35,206 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1] [2023-11-26 10:43:35,207 INFO L748 eck$LassoCheckResult]: Stem: 220#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 221#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 217#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 218#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 215#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 216#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 219#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 226#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 223#L20 [2023-11-26 10:43:35,207 INFO L750 eck$LassoCheckResult]: Loop: 223#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 224#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 222#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 213#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 214#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 227#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 228#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 223#L20 [2023-11-26 10:43:35,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:35,208 INFO L85 PathProgramCache]: Analyzing trace with hash 179493189, now seen corresponding path program 1 times [2023-11-26 10:43:35,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:35,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369719757] [2023-11-26 10:43:35,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:35,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:35,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:35,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:35,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:35,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1770012235, now seen corresponding path program 1 times [2023-11-26 10:43:35,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:35,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257279392] [2023-11-26 10:43:35,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:35,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:35,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:35,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:35,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:35,308 INFO L85 PathProgramCache]: Analyzing trace with hash -161041423, now seen corresponding path program 1 times [2023-11-26 10:43:35,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:35,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369326536] [2023-11-26 10:43:35,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:35,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:35,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:35,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:37,053 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:43:37,053 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:43:37,054 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:43:37,054 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:43:37,054 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:43:37,054 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:37,054 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:43:37,054 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:43:37,054 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration3_Lasso [2023-11-26 10:43:37,054 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:43:37,054 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:43:37,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:37,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:37,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:37,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:37,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:37,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:37,076 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:38,025 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:38,554 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:43:38,554 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:43:38,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:38,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:38,560 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:38,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 10:43:38,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:38,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:38,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:43:38,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:38,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:38,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:38,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:43:38,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:43:38,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:38,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:38,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:38,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:38,584 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:38,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 10:43:38,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:38,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:38,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:43:38,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:38,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:38,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:38,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:43:38,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:43:38,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:38,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:38,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:38,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:38,607 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:38,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 10:43:38,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:38,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:38,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:38,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:38,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:38,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:38,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:38,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:38,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:38,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:38,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:38,664 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:38,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:38,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:38,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:43:38,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:38,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:38,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:38,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:43:38,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:43:38,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 10:43:38,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:38,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:38,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:38,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:38,706 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:38,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 10:43:38,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:38,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:38,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:43:38,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:38,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:38,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:38,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:43:38,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:43:38,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:38,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:38,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:38,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:38,765 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:38,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 10:43:38,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:38,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:38,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:38,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:38,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:38,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:38,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:38,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:38,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:38,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:38,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:38,820 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:38,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:38,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:38,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:38,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:38,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:38,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 10:43:38,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:38,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:38,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:38,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:38,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:38,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:38,868 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:38,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 10:43:38,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:38,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:38,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:38,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:38,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:38,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:38,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:38,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:38,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:38,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:38,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:38,917 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:38,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:38,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:38,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:38,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:38,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:38,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 10:43:38,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:38,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:38,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:38,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:38,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:38,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:38,973 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:38,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:38,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:38,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:38,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:38,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:38,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 10:43:38,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:38,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:39,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:39,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:39,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:39,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:39,024 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:39,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:39,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 10:43:39,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:39,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:39,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:39,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:39,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:39,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:39,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:39,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-26 10:43:39,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:39,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:39,054 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:39,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:39,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 10:43:39,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:39,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:39,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:39,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:39,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:39,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:39,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:39,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:39,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:39,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:39,103 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:39,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:39,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-26 10:43:39,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:39,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:39,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:39,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:39,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:39,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:39,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:39,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:39,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:39,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:39,152 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:39,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:39,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:39,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:39,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:39,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:39,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-26 10:43:39,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:39,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:39,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:39,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-26 10:43:39,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:39,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:39,196 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:39,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-26 10:43:39,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:39,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:39,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:39,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:39,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:39,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:39,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:39,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:39,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-26 10:43:39,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:39,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:39,224 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:39,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-26 10:43:39,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:39,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:39,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:39,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:39,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:39,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:39,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:39,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:39,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-26 10:43:39,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:39,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:39,251 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:39,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-26 10:43:39,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:39,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:39,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:39,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:39,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:39,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:39,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:39,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:39,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:39,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:39,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:39,302 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:39,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:39,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-26 10:43:39,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:39,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:39,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:39,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:39,326 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:39,327 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:39,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:39,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:39,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:39,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:39,360 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:39,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:39,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-26 10:43:39,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:39,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:39,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:39,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:39,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:39,383 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:39,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:39,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:39,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:39,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:39,412 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:39,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:39,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:39,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:39,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:39,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:39,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-26 10:43:39,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:39,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:39,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:39,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:39,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:39,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:39,455 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:39,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:39,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-26 10:43:39,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:39,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:39,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:39,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:39,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:39,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:39,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:39,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:39,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:39,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:39,499 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:39,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:39,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:39,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:39,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:39,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:39,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-26 10:43:39,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:39,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:39,538 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:43:39,558 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-26 10:43:39,558 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-26 10:43:39,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:39,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:39,563 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:39,567 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:43:39,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-26 10:43:39,581 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2023-11-26 10:43:39,581 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:43:39,581 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 ULTIMATE.start_main_~x1~0#1.base) ULTIMATE.start_main_~x1~0#1.offset)_1) = -2*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~x1~0#1.base) ULTIMATE.start_main_~x1~0#1.offset)_1 + 3 Supporting invariants [3*ULTIMATE.start_main_#t~mem6#1 - 2*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~x1~0#1.base) ULTIMATE.start_main_~x1~0#1.offset)_1 >= 0, -1*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~x1~0#1.base) ULTIMATE.start_main_~x1~0#1.offset)_1 + 1 >= 0] [2023-11-26 10:43:39,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:39,825 INFO L156 tatePredicateManager]: 38 out of 39 supporting invariants were superfluous and have been removed [2023-11-26 10:43:39,828 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~x1~0!base][~x1~0!offset] could not be translated [2023-11-26 10:43:39,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:39,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:43:39,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:39,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 10:43:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:40,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 10:43:40,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:40,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2023-11-26 10:43:40,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-26 10:43:40,068 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-26 10:43:40,068 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 10:43:40,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:40,140 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) Result 20 states and 26 transitions. Complement of second has 5 states. [2023-11-26 10:43:40,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 0 non-accepting loop states 2 accepting loop states [2023-11-26 10:43:40,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 10:43:40,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2023-11-26 10:43:40,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 8 letters. Loop has 7 letters. [2023-11-26 10:43:40,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:43:40,143 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 10:43:40,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:40,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:43:40,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:40,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 10:43:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:40,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 10:43:40,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:40,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2023-11-26 10:43:40,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-26 10:43:40,339 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-26 10:43:40,339 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 10:43:40,378 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) Result 31 states and 41 transitions. Complement of second has 6 states. [2023-11-26 10:43:40,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 10:43:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 10:43:40,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2023-11-26 10:43:40,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 8 letters. Loop has 7 letters. [2023-11-26 10:43:40,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:43:40,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 15 letters. Loop has 7 letters. [2023-11-26 10:43:40,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:43:40,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 8 letters. Loop has 14 letters. [2023-11-26 10:43:40,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:43:40,382 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 41 transitions. [2023-11-26 10:43:40,383 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-11-26 10:43:40,384 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 41 transitions. [2023-11-26 10:43:40,384 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-26 10:43:40,385 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2023-11-26 10:43:40,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 41 transitions. [2023-11-26 10:43:40,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:43:40,385 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 41 transitions. [2023-11-26 10:43:40,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 41 transitions. [2023-11-26 10:43:40,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2023-11-26 10:43:40,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 26 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:40,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2023-11-26 10:43:40,389 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 36 transitions. [2023-11-26 10:43:40,389 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 36 transitions. [2023-11-26 10:43:40,389 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 10:43:40,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 36 transitions. [2023-11-26 10:43:40,391 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-11-26 10:43:40,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:43:40,391 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:43:40,391 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2023-11-26 10:43:40,392 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:43:40,392 INFO L748 eck$LassoCheckResult]: Stem: 572#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 573#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 574#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 570#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 567#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 568#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 571#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 586#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 585#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 566#L24-2 [2023-11-26 10:43:40,393 INFO L750 eck$LassoCheckResult]: Loop: 566#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 569#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 565#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 566#L24-2 [2023-11-26 10:43:40,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:40,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1269321583, now seen corresponding path program 2 times [2023-11-26 10:43:40,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:40,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904732149] [2023-11-26 10:43:40,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:40,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:40,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:40,467 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:40,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:40,468 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 2 times [2023-11-26 10:43:40,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:40,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792011554] [2023-11-26 10:43:40,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:40,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:40,474 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:40,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:40,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:40,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1467212283, now seen corresponding path program 3 times [2023-11-26 10:43:40,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:40,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342710198] [2023-11-26 10:43:40,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:40,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:40,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:40,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:42,419 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:43:42,419 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:43:42,419 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:43:42,419 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:43:42,419 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:43:42,419 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:42,419 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:43:42,419 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:43:42,420 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration4_Lasso [2023-11-26 10:43:42,420 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:43:42,420 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:43:42,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:42,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:42,946 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:42,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:42,952 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:42,956 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:42,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:42,961 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:42,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:42,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:42,970 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:43,349 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:43:43,349 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:43:43,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:43,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:43,353 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:43,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-26 10:43:43,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:43,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:43,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:43:43,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:43,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:43,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:43,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:43:43,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:43:43,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:43,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:43,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:43,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:43,392 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:43,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-26 10:43:43,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:43,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:43,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:43,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:43,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:43,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:43,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:43,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:43,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:43,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:43,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:43,416 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:43,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-26 10:43:43,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:43,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:43,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:43,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:43,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:43,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:43,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:43,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:43,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-11-26 10:43:43,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:43,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:43,444 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:43,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-26 10:43:43,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:43,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:43,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:43,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:43,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:43,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:43,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:43,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:43,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:43,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:43,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:43,472 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:43,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-26 10:43:43,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:43,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:43,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:43,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:43,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:43,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:43,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:43,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:43,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:43,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:43,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:43,500 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:43,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-26 10:43:43,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:43,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:43,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:43,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:43,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:43,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:43,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:43,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:43,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-26 10:43:43,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:43,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:43,527 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:43,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-26 10:43:43,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:43,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:43,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:43,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:43,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:43,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:43,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:43,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:43,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-26 10:43:43,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:43,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:43,551 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:43,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-26 10:43:43,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:43,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:43,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:43,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:43,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:43,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:43,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:43,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:43,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-26 10:43:43,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:43,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:43,577 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:43,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-26 10:43:43,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:43,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:43,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:43,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:43,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:43,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:43,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:43,606 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:43:43,633 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-26 10:43:43,633 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 6 variables to zero. [2023-11-26 10:43:43,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:43,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:43,634 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:43,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-26 10:43:43,637 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:43:43,649 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:43:43,649 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:43:43,649 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#3 ULTIMATE.start_main_~x0~0#1.base) 0)_3) = -2*v_rep(select (select #memory_int#3 ULTIMATE.start_main_~x0~0#1.base) 0)_3 + 1 Supporting invariants [] [2023-11-26 10:43:43,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2023-11-26 10:43:43,760 INFO L156 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2023-11-26 10:43:43,762 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[~x0~0!base][0] could not be translated [2023-11-26 10:43:43,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:43,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-11-26 10:43:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:43,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:43:43,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:43,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 10:43:43,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:43,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:43,934 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-26 10:43:43,934 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 36 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:44,005 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 36 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 61 states and 76 transitions. Complement of second has 8 states. [2023-11-26 10:43:44,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 10:43:44,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:44,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2023-11-26 10:43:44,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 3 letters. [2023-11-26 10:43:44,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:43:44,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 12 letters. Loop has 3 letters. [2023-11-26 10:43:44,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:43:44,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 6 letters. [2023-11-26 10:43:44,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:43:44,009 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 76 transitions. [2023-11-26 10:43:44,011 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2023-11-26 10:43:44,013 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 51 states and 64 transitions. [2023-11-26 10:43:44,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2023-11-26 10:43:44,013 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2023-11-26 10:43:44,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 64 transitions. [2023-11-26 10:43:44,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:43:44,014 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 64 transitions. [2023-11-26 10:43:44,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 64 transitions. [2023-11-26 10:43:44,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2023-11-26 10:43:44,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 46 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:44,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 60 transitions. [2023-11-26 10:43:44,020 INFO L240 hiAutomatonCegarLoop]: Abstraction has 47 states and 60 transitions. [2023-11-26 10:43:44,020 INFO L428 stractBuchiCegarLoop]: Abstraction has 47 states and 60 transitions. [2023-11-26 10:43:44,020 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 10:43:44,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 60 transitions. [2023-11-26 10:43:44,022 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2023-11-26 10:43:44,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:43:44,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:43:44,023 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2023-11-26 10:43:44,023 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1] [2023-11-26 10:43:44,023 INFO L748 eck$LassoCheckResult]: Stem: 815#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 816#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 820#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 843#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 809#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 810#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 842#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 840#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 835#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 836#L24 [2023-11-26 10:43:44,023 INFO L750 eck$LassoCheckResult]: Loop: 836#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#1(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 850#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 849#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 848#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 846#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 847#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 845#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 844#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 836#L24 [2023-11-26 10:43:44,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:44,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1269321585, now seen corresponding path program 1 times [2023-11-26 10:43:44,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:44,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128191069] [2023-11-26 10:43:44,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:44,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:44,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-26 10:43:44,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:44,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128191069] [2023-11-26 10:43:44,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128191069] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:44,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:44,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:43:44,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988512131] [2023-11-26 10:43:44,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:44,115 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:43:44,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:44,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1088312668, now seen corresponding path program 1 times [2023-11-26 10:43:44,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:44,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259782328] [2023-11-26 10:43:44,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:44,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:44,125 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:44,133 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:44,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:44,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:43:44,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:43:44,530 INFO L87 Difference]: Start difference. First operand 47 states and 60 transitions. cyclomatic complexity: 20 Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:44,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:44,556 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions. [2023-11-26 10:43:44,556 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 49 transitions. [2023-11-26 10:43:44,557 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 18 [2023-11-26 10:43:44,558 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 40 states and 49 transitions. [2023-11-26 10:43:44,558 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2023-11-26 10:43:44,558 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2023-11-26 10:43:44,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 49 transitions. [2023-11-26 10:43:44,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:43:44,559 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 49 transitions. [2023-11-26 10:43:44,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 49 transitions. [2023-11-26 10:43:44,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-26 10:43:44,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.225) internal successors, (49), 39 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:44,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2023-11-26 10:43:44,563 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 49 transitions. [2023-11-26 10:43:44,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:43:44,566 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 49 transitions. [2023-11-26 10:43:44,566 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 10:43:44,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 49 transitions. [2023-11-26 10:43:44,567 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 18 [2023-11-26 10:43:44,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:43:44,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:43:44,568 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 2, 1, 1] [2023-11-26 10:43:44,569 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:43:44,569 INFO L748 eck$LassoCheckResult]: Stem: 911#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 912#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 916#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 936#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 937#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 935#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 933#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 930#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 917#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 918#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 939#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 905#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 906#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 914#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 915#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 919#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 904#L24-2 [2023-11-26 10:43:44,569 INFO L750 eck$LassoCheckResult]: Loop: 904#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 938#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 903#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 904#L24-2 [2023-11-26 10:43:44,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:44,570 INFO L85 PathProgramCache]: Analyzing trace with hash -697316797, now seen corresponding path program 4 times [2023-11-26 10:43:44,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:44,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895617841] [2023-11-26 10:43:44,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:44,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:44,809 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-26 10:43:44,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:44,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895617841] [2023-11-26 10:43:44,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895617841] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:43:44,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726281711] [2023-11-26 10:43:44,810 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-26 10:43:44,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:44,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:44,811 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:43:44,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2023-11-26 10:43:44,916 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-26 10:43:44,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:43:44,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:43:44,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:44,924 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 10:43:44,954 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 10:43:44,955 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:43:44,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726281711] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:44,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:43:44,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-26 10:43:44,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328846629] [2023-11-26 10:43:44,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:44,956 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:43:44,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:44,957 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 3 times [2023-11-26 10:43:44,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:44,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751272705] [2023-11-26 10:43:44,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:44,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:44,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:44,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:45,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:45,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:43:45,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:43:45,092 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. cyclomatic complexity: 14 Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:45,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:45,123 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2023-11-26 10:43:45,123 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2023-11-26 10:43:45,124 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2023-11-26 10:43:45,124 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 36 transitions. [2023-11-26 10:43:45,124 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2023-11-26 10:43:45,125 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2023-11-26 10:43:45,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 36 transitions. [2023-11-26 10:43:45,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:43:45,125 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 36 transitions. [2023-11-26 10:43:45,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 36 transitions. [2023-11-26 10:43:45,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2023-11-26 10:43:45,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:45,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2023-11-26 10:43:45,128 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 35 transitions. [2023-11-26 10:43:45,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:43:45,133 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 35 transitions. [2023-11-26 10:43:45,133 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 10:43:45,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 35 transitions. [2023-11-26 10:43:45,135 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2023-11-26 10:43:45,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:43:45,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:43:45,139 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 1, 1, 1] [2023-11-26 10:43:45,141 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 2, 2, 1, 1, 1] [2023-11-26 10:43:45,142 INFO L748 eck$LassoCheckResult]: Stem: 1040#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1041#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1042#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1039#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1034#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1035#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1038#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1059#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1058#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1057#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1052#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1054#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1050#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1051#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1047#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1046#L20 [2023-11-26 10:43:45,142 INFO L750 eck$LassoCheckResult]: Loop: 1046#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1045#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#1(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1036#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1037#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1032#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1033#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1061#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1060#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1043#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1044#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1056#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1055#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1053#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1048#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1049#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1046#L20 [2023-11-26 10:43:45,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:45,143 INFO L85 PathProgramCache]: Analyzing trace with hash -161041423, now seen corresponding path program 5 times [2023-11-26 10:43:45,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:45,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720456105] [2023-11-26 10:43:45,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:45,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:45,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:45,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:45,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:45,218 INFO L85 PathProgramCache]: Analyzing trace with hash -97586480, now seen corresponding path program 1 times [2023-11-26 10:43:45,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:45,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57874967] [2023-11-26 10:43:45,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:45,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:45,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:45,248 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:45,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:45,249 INFO L85 PathProgramCache]: Analyzing trace with hash 569106656, now seen corresponding path program 1 times [2023-11-26 10:43:45,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:45,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230614697] [2023-11-26 10:43:45,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:45,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:45,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:45,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:48,652 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:43:48,652 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:43:48,653 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:43:48,653 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:43:48,653 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:43:48,653 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:48,653 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:43:48,653 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:43:48,653 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration7_Lasso [2023-11-26 10:43:48,653 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:43:48,653 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:43:48,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:48,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:49,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:49,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:49,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:49,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:49,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:49,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:49,591 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:43:50,094 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:43:50,094 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:43:50,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:50,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:50,101 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:50,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-26 10:43:50,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:50,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:50,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:43:50,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:50,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:50,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:50,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:43:50,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:43:50,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:50,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-11-26 10:43:50,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:50,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:50,123 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:50,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:50,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-26 10:43:50,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:50,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:50,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:50,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:50,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:50,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:50,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:50,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-26 10:43:50,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:50,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:50,155 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:50,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-26 10:43:50,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:50,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:50,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:50,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:50,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:50,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:50,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:50,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:50,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:50,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:50,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:50,180 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:50,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-26 10:43:50,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:50,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:50,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:50,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:50,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:50,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:50,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:50,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:50,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-11-26 10:43:50,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:50,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:50,201 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:50,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-26 10:43:50,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:50,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:50,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:50,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:50,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:50,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:50,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:50,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:50,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-26 10:43:50,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:50,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:50,226 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:50,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-26 10:43:50,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:50,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:50,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:50,239 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-26 10:43:50,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:50,249 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-26 10:43:50,249 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 10:43:50,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:50,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2023-11-26 10:43:50,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:50,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:50,275 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:50,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-26 10:43:50,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:50,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:50,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:50,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:50,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:50,296 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:50,296 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:50,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:50,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2023-11-26 10:43:50,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:50,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:50,319 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:50,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:50,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-26 10:43:50,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:50,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:50,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:50,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:50,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:50,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:50,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:50,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:50,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:50,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:50,368 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:50,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-26 10:43:50,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:50,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:50,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:50,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:50,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:50,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:50,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:50,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:43:50,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-26 10:43:50,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:50,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:50,397 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:50,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-26 10:43:50,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:43:50,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:43:50,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:43:50,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:43:50,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:43:50,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:43:50,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:43:50,419 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:43:50,436 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-26 10:43:50,436 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-26 10:43:50,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:43:50,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:50,442 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:50,494 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:43:50,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-26 10:43:50,527 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:43:50,527 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:43:50,527 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_2) = -2*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_2 + 1 Supporting invariants [] [2023-11-26 10:43:50,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:50,774 INFO L156 tatePredicateManager]: 38 out of 38 supporting invariants were superfluous and have been removed [2023-11-26 10:43:50,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~x2~0!base][~x2~0!offset] could not be translated [2023-11-26 10:43:50,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:50,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:43:50,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:50,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 10:43:50,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:50,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-11-26 10:43:50,990 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-26 10:43:50,991 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 10:43:50,991 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 35 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:51,018 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 35 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 65 states and 77 transitions. Complement of second has 7 states. [2023-11-26 10:43:51,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 10:43:51,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:51,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2023-11-26 10:43:51,021 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 15 letters. [2023-11-26 10:43:51,021 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:43:51,021 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 30 letters. Loop has 15 letters. [2023-11-26 10:43:51,022 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:43:51,022 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 30 letters. [2023-11-26 10:43:51,022 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:43:51,023 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 77 transitions. [2023-11-26 10:43:51,024 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2023-11-26 10:43:51,025 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 65 states and 77 transitions. [2023-11-26 10:43:51,025 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2023-11-26 10:43:51,025 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2023-11-26 10:43:51,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 77 transitions. [2023-11-26 10:43:51,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:43:51,026 INFO L218 hiAutomatonCegarLoop]: Abstraction has 65 states and 77 transitions. [2023-11-26 10:43:51,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 77 transitions. [2023-11-26 10:43:51,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-26 10:43:51,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 64 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:51,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 77 transitions. [2023-11-26 10:43:51,032 INFO L240 hiAutomatonCegarLoop]: Abstraction has 65 states and 77 transitions. [2023-11-26 10:43:51,032 INFO L428 stractBuchiCegarLoop]: Abstraction has 65 states and 77 transitions. [2023-11-26 10:43:51,032 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-26 10:43:51,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 77 transitions. [2023-11-26 10:43:51,033 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2023-11-26 10:43:51,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:43:51,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:43:51,034 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 1, 1, 1, 1, 1] [2023-11-26 10:43:51,034 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 2, 2, 1, 1, 1] [2023-11-26 10:43:51,034 INFO L748 eck$LassoCheckResult]: Stem: 1400#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1401#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1406#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1404#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1405#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1440#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1439#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1438#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1437#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1398#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1399#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1395#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1396#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1445#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1427#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1428#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1411#L24 assume !(0 == main_#t~mem7#1);havoc main_#t~mem7#1;call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(1, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1412#L24-2 [2023-11-26 10:43:51,035 INFO L750 eck$LassoCheckResult]: Loop: 1412#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1446#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1444#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1442#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1443#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1441#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1407#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1408#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1402#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1403#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1448#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1449#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1447#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1423#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1424#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#1(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1412#L24-2 [2023-11-26 10:43:51,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:51,035 INFO L85 PathProgramCache]: Analyzing trace with hash -141984138, now seen corresponding path program 1 times [2023-11-26 10:43:51,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:51,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511678084] [2023-11-26 10:43:51,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:51,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:51,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:51,162 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-26 10:43:51,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:51,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511678084] [2023-11-26 10:43:51,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511678084] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:51,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:51,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:43:51,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595378100] [2023-11-26 10:43:51,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:51,164 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:43:51,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:51,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1365622390, now seen corresponding path program 2 times [2023-11-26 10:43:51,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:51,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103130666] [2023-11-26 10:43:51,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:51,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:51,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:51,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:51,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:51,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:43:51,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:43:51,908 INFO L87 Difference]: Start difference. First operand 65 states and 77 transitions. cyclomatic complexity: 19 Second operand has 4 states, 3 states have (on average 3.0) 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 10:43:51,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:51,939 INFO L93 Difference]: Finished difference Result 84 states and 97 transitions. [2023-11-26 10:43:51,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 97 transitions. [2023-11-26 10:43:51,941 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 36 [2023-11-26 10:43:51,942 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 76 states and 88 transitions. [2023-11-26 10:43:51,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2023-11-26 10:43:51,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2023-11-26 10:43:51,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 76 states and 88 transitions. [2023-11-26 10:43:51,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:43:51,943 INFO L218 hiAutomatonCegarLoop]: Abstraction has 76 states and 88 transitions. [2023-11-26 10:43:51,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states and 88 transitions. [2023-11-26 10:43:51,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2023-11-26 10:43:51,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 74 states have (on average 1.162162162162162) internal successors, (86), 73 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:51,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 86 transitions. [2023-11-26 10:43:51,949 INFO L240 hiAutomatonCegarLoop]: Abstraction has 74 states and 86 transitions. [2023-11-26 10:43:51,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:43:51,951 INFO L428 stractBuchiCegarLoop]: Abstraction has 74 states and 86 transitions. [2023-11-26 10:43:51,951 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-26 10:43:51,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 86 transitions. [2023-11-26 10:43:51,952 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 36 [2023-11-26 10:43:51,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:43:51,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:43:51,953 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 3, 2, 1, 1, 1, 1, 1] [2023-11-26 10:43:51,953 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:43:51,953 INFO L748 eck$LassoCheckResult]: Stem: 1559#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1560#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1562#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1586#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1553#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1554#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1588#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1591#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1590#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1589#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1587#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1581#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1582#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1578#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1577#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1570#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1568#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#1(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1569#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1576#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1622#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1617#L24-2 [2023-11-26 10:43:51,953 INFO L750 eck$LassoCheckResult]: Loop: 1617#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1620#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1616#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1617#L24-2 [2023-11-26 10:43:51,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:51,954 INFO L85 PathProgramCache]: Analyzing trace with hash 693278934, now seen corresponding path program 2 times [2023-11-26 10:43:51,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:51,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750976336] [2023-11-26 10:43:51,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:51,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:51,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:51,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:51,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:51,993 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 4 times [2023-11-26 10:43:51,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:51,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348622717] [2023-11-26 10:43:51,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:51,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:51,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:52,002 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:52,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:52,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1024996556, now seen corresponding path program 3 times [2023-11-26 10:43:52,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:52,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364922678] [2023-11-26 10:43:52,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:52,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:52,183 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-26 10:43:52,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:52,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364922678] [2023-11-26 10:43:52,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364922678] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:43:52,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302432098] [2023-11-26 10:43:52,184 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 10:43:52,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:52,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:52,187 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:43:52,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2023-11-26 10:43:52,303 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-26 10:43:52,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:43:52,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 10:43:52,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:52,311 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 10:43:52,320 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-26 10:43:52,320 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:43:52,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302432098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:52,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:43:52,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2023-11-26 10:43:52,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104842377] [2023-11-26 10:43:52,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:52,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:52,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:43:52,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:43:52,398 INFO L87 Difference]: Start difference. First operand 74 states and 86 transitions. cyclomatic complexity: 18 Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:52,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:52,419 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2023-11-26 10:43:52,419 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 80 transitions. [2023-11-26 10:43:52,420 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2023-11-26 10:43:52,421 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 74 states and 76 transitions. [2023-11-26 10:43:52,421 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2023-11-26 10:43:52,428 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 53 [2023-11-26 10:43:52,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 76 transitions. [2023-11-26 10:43:52,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:43:52,428 INFO L218 hiAutomatonCegarLoop]: Abstraction has 74 states and 76 transitions. [2023-11-26 10:43:52,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 76 transitions. [2023-11-26 10:43:52,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 68. [2023-11-26 10:43:52,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.0294117647058822) internal successors, (70), 67 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:52,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 70 transitions. [2023-11-26 10:43:52,437 INFO L240 hiAutomatonCegarLoop]: Abstraction has 68 states and 70 transitions. [2023-11-26 10:43:52,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:43:52,441 INFO L428 stractBuchiCegarLoop]: Abstraction has 68 states and 70 transitions. [2023-11-26 10:43:52,442 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-26 10:43:52,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 70 transitions. [2023-11-26 10:43:52,442 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2023-11-26 10:43:52,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:43:52,443 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:43:52,444 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 4, 4, 2, 2, 1, 1, 1, 1] [2023-11-26 10:43:52,444 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [8, 8, 4, 4, 2, 2, 1, 1] [2023-11-26 10:43:52,444 INFO L748 eck$LassoCheckResult]: Stem: 1790#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1791#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1793#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1816#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1815#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1814#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1813#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1812#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1811#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1788#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1789#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1784#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1785#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1808#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1802#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1800#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1798#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#1(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1799#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1807#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1824#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1822#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1820#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1817#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1794#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1786#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1787#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1792#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1823#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1821#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1818#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1819#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1796#L24 assume !(0 == main_#t~mem7#1);havoc main_#t~mem7#1;call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(1, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1797#L24-2 [2023-11-26 10:43:52,445 INFO L750 eck$LassoCheckResult]: Loop: 1797#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1825#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1848#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1846#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1844#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1842#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1840#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1838#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1836#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1782#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1783#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1832#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1830#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1809#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1810#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#1(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1826#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1849#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1847#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1845#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1843#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1841#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1839#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#2(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1837#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1835#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1834#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1833#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1831#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1829#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#2(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1828#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#2(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1827#L24 assume !(0 == main_#t~mem7#1);havoc main_#t~mem7#1;call write~int#1(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(1, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1797#L24-2 [2023-11-26 10:43:52,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:52,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1450650533, now seen corresponding path program 1 times [2023-11-26 10:43:52,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:52,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97331148] [2023-11-26 10:43:52,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:52,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:52,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:52,541 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:52,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:52,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1011439773, now seen corresponding path program 1 times [2023-11-26 10:43:52,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:52,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284577857] [2023-11-26 10:43:52,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:52,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:52,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:52,590 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:52,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:52,591 INFO L85 PathProgramCache]: Analyzing trace with hash 783342599, now seen corresponding path program 2 times [2023-11-26 10:43:52,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:52,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621971220] [2023-11-26 10:43:52,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:52,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:53,037 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 227 proven. 20 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-26 10:43:53,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:53,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621971220] [2023-11-26 10:43:53,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621971220] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:43:53,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297465014] [2023-11-26 10:43:53,038 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 10:43:53,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:53,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:53,040 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:43:53,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2023-11-26 10:43:53,255 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 10:43:53,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:43:53,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 10:43:53,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:53,306 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 10:43:53,343 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-26 10:43:53,344 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:43:53,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297465014] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:53,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:43:53,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2023-11-26 10:43:53,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745718698] [2023-11-26 10:43:53,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:56,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:56,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:43:56,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:43:56,996 INFO L87 Difference]: Start difference. First operand 68 states and 70 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 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 10:43:57,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:57,020 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2023-11-26 10:43:57,020 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 40 transitions. [2023-11-26 10:43:57,020 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 10:43:57,020 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2023-11-26 10:43:57,021 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 10:43:57,021 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 10:43:57,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 10:43:57,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:57,021 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:43:57,021 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:43:57,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:43:57,021 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:43:57,022 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-26 10:43:57,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:43:57,022 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 10:43:57,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 10:43:57,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 10:43:57 BoogieIcfgContainer [2023-11-26 10:43:57,028 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 10:43:57,028 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:43:57,028 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:43:57,029 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:43:57,029 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:29" (3/4) ... [2023-11-26 10:43:57,031 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:43:57,032 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:43:57,033 INFO L158 Benchmark]: Toolchain (without parser) took 28792.27ms. Allocated memory was 146.8MB in the beginning and 255.9MB in the end (delta: 109.1MB). Free memory was 117.5MB in the beginning and 128.4MB in the end (delta: -10.9MB). Peak memory consumption was 100.6MB. Max. memory is 16.1GB. [2023-11-26 10:43:57,033 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 146.8MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:43:57,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.57ms. Allocated memory is still 146.8MB. Free memory was 117.3MB in the beginning and 107.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 10:43:57,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.90ms. Allocated memory is still 146.8MB. Free memory was 107.4MB in the beginning and 105.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:43:57,034 INFO L158 Benchmark]: Boogie Preprocessor took 63.56ms. Allocated memory is still 146.8MB. Free memory was 105.9MB in the beginning and 104.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:43:57,035 INFO L158 Benchmark]: RCFGBuilder took 401.35ms. Allocated memory is still 146.8MB. Free memory was 104.0MB in the beginning and 91.9MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 10:43:57,035 INFO L158 Benchmark]: BuchiAutomizer took 27951.82ms. Allocated memory was 146.8MB in the beginning and 255.9MB in the end (delta: 109.1MB). Free memory was 91.7MB in the beginning and 128.4MB in the end (delta: -36.7MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2023-11-26 10:43:57,035 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 255.9MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:43:57,038 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 146.8MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.57ms. Allocated memory is still 146.8MB. Free memory was 117.3MB in the beginning and 107.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.90ms. Allocated memory is still 146.8MB. Free memory was 107.4MB in the beginning and 105.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.56ms. Allocated memory is still 146.8MB. Free memory was 105.9MB in the beginning and 104.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 401.35ms. Allocated memory is still 146.8MB. Free memory was 104.0MB in the beginning and 91.9MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 27951.82ms. Allocated memory was 146.8MB in the beginning and 255.9MB in the end (delta: 109.1MB). Free memory was 91.7MB in the beginning and 128.4MB in the end (delta: -36.7MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 255.9MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[~x0~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~x1~0!base][~x1~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[~x0~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~x2~0!base][~x2~0!offset] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (6 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 27.8s and 11 iterations. TraceHistogramMax:8. Analysis of lassos took 26.1s. Construction of modules took 0.1s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 9. Automata minimization 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 19 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 22/22 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 193 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 98 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 95 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU4 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital273 mio100 ax100 hnf100 lsp94 ukn73 mio100 lsp24 div100 bol100 ite100 ukn100 eq160 hnf90 smp100 dnf101 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 3 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 10:43:57,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Ended with exit code 0 [2023-11-26 10:43:57,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Ended with exit code 0 [2023-11-26 10:43:57,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2023-11-26 10:43:57,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d80d07e-81e5-45e7-aeb3-0aaa39a290d6/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