./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/gcd_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/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_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/gcd_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:01:30,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:01:30,846 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 12:01:30,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:01:30,854 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:01:30,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:01:30,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:01:30,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:01:30,916 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:01:30,917 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:01:30,918 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:01:30,918 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:01:30,919 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:01:30,920 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 12:01:30,921 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 12:01:30,921 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 12:01:30,922 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 12:01:30,923 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 12:01:30,923 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 12:01:30,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:01:30,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 12:01:30,926 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:01:30,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:01:30,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:01:30,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:01:30,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 12:01:30,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 12:01:30,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 12:01:30,942 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:01:30,943 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:01:30,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:01:30,945 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 12:01:30,945 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:01:30,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:01:30,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:01:30,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:01:30,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:01:30,947 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 12:01:30,947 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_113ca249-3010-4939-92f4-020b5aabd7fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef [2023-11-26 12:01:31,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:01:31,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:01:31,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:01:31,427 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:01:31,428 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:01:31,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/bitvector/gcd_4.c [2023-11-26 12:01:35,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:01:35,641 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:01:35,642 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/sv-benchmarks/c/bitvector/gcd_4.c [2023-11-26 12:01:35,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/data/7cbb4b9bc/ab0d5be865f84d45a4509caad89f41a5/FLAG0cbb6ae9f [2023-11-26 12:01:35,701 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/data/7cbb4b9bc/ab0d5be865f84d45a4509caad89f41a5 [2023-11-26 12:01:35,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:01:35,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:01:35,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:01:35,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:01:35,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:01:35,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:35" (1/1) ... [2023-11-26 12:01:35,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fd016ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:35, skipping insertion in model container [2023-11-26 12:01:35,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:35" (1/1) ... [2023-11-26 12:01:35,746 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:01:35,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:01:35,955 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:01:35,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:01:35,988 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:01:35,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:35 WrapperNode [2023-11-26 12:01:35,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:01:35,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:01:35,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:01:35,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:01:36,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:35" (1/1) ... [2023-11-26 12:01:36,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:35" (1/1) ... [2023-11-26 12:01:36,036 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 69 [2023-11-26 12:01:36,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:01:36,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:01:36,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:01:36,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:01:36,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:35" (1/1) ... [2023-11-26 12:01:36,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:35" (1/1) ... [2023-11-26 12:01:36,053 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:35" (1/1) ... [2023-11-26 12:01:36,068 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2023-11-26 12:01:36,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:35" (1/1) ... [2023-11-26 12:01:36,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:35" (1/1) ... [2023-11-26 12:01:36,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:35" (1/1) ... [2023-11-26 12:01:36,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:35" (1/1) ... [2023-11-26 12:01:36,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:35" (1/1) ... [2023-11-26 12:01:36,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:35" (1/1) ... [2023-11-26 12:01:36,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:01:36,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:01:36,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:01:36,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:01:36,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:35" (1/1) ... [2023-11-26 12:01:36,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:36,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:36,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:36,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 12:01:36,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:01:36,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:01:36,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:01:36,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:01:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:01:36,309 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:01:36,311 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:01:36,511 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:01:36,524 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:01:36,524 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 12:01:36,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:36 BoogieIcfgContainer [2023-11-26 12:01:36,526 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:01:36,528 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 12:01:36,528 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 12:01:36,532 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 12:01:36,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:01:36,533 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 12:01:35" (1/3) ... [2023-11-26 12:01:36,534 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1895fa5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 12:01:36, skipping insertion in model container [2023-11-26 12:01:36,534 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:01:36,534 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:35" (2/3) ... [2023-11-26 12:01:36,535 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1895fa5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 12:01:36, skipping insertion in model container [2023-11-26 12:01:36,535 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 12:01:36,536 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:36" (3/3) ... [2023-11-26 12:01:36,537 INFO L332 chiAutomizerObserver]: Analyzing ICFG gcd_4.c [2023-11-26 12:01:36,608 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 12:01:36,608 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 12:01:36,609 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 12:01:36,609 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 12:01:36,609 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 12:01:36,609 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 12:01:36,610 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 12:01:36,610 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 12:01:36,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:36,644 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 12:01:36,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:01:36,644 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:01:36,650 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 12:01:36,650 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 12:01:36,650 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 12:01:36,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:36,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 12:01:36,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:01:36,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:01:36,655 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 12:01:36,655 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 12:01:36,665 INFO L748 eck$LassoCheckResult]: Stem: 21#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(103, 2, 0, 1);call write~init~int#1(99, 2, 1, 1);call write~init~int#1(100, 2, 2, 1);call write~init~int#1(95, 2, 3, 1);call write~init~int#1(52, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 17#L22true assume !(gcd_test_~a#1 < 0); 12#L22-2true assume !(gcd_test_~b#1 < 0); 13#L23-1true assume !(0 == gcd_test_~a#1); 5#L30-2true [2023-11-26 12:01:36,665 INFO L750 eck$LassoCheckResult]: Loop: 5#L30-2true assume !!(0 != gcd_test_~b#1); 7#L30true assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 5#L30-2true [2023-11-26 12:01:36,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:36,673 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2023-11-26 12:01:36,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:36,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99990561] [2023-11-26 12:01:36,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:36,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:36,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:01:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:36,836 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:01:36,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:36,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 1 times [2023-11-26 12:01:36,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:36,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041070464] [2023-11-26 12:01:36,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:36,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:36,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:01:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:36,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:01:36,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:36,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939727, now seen corresponding path program 1 times [2023-11-26 12:01:36,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:36,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721528555] [2023-11-26 12:01:36,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:36,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:37,191 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 12:01:37,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:37,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721528555] [2023-11-26 12:01:37,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721528555] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:37,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:37,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:01:37,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94551263] [2023-11-26 12:01:37,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:37,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:37,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:01:37,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:01:37,322 INFO L87 Difference]: Start difference. First operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:37,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:37,372 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2023-11-26 12:01:37,374 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 24 transitions. [2023-11-26 12:01:37,376 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 12:01:37,381 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 9 states and 10 transitions. [2023-11-26 12:01:37,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-26 12:01:37,383 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-26 12:01:37,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2023-11-26 12:01:37,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:01:37,385 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2023-11-26 12:01:37,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2023-11-26 12:01:37,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-26 12:01:37,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 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 12:01:37,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2023-11-26 12:01:37,428 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2023-11-26 12:01:37,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:01:37,442 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2023-11-26 12:01:37,442 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 12:01:37,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2023-11-26 12:01:37,443 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 12:01:37,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:01:37,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:01:37,445 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:37,445 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 12:01:37,445 INFO L748 eck$LassoCheckResult]: Stem: 63#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(103, 2, 0, 1);call write~init~int#1(99, 2, 1, 1);call write~init~int#1(100, 2, 2, 1);call write~init~int#1(95, 2, 3, 1);call write~init~int#1(52, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 64#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 58#L22 assume !(gcd_test_~a#1 < 0); 59#L22-2 assume !(gcd_test_~b#1 < 0); 65#L23-1 assume !(0 == gcd_test_~a#1); 66#L30-2 assume !!(0 != gcd_test_~b#1); 62#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 60#L30-2 [2023-11-26 12:01:37,445 INFO L750 eck$LassoCheckResult]: Loop: 60#L30-2 assume !!(0 != gcd_test_~b#1); 61#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 60#L30-2 [2023-11-26 12:01:37,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:37,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939725, now seen corresponding path program 1 times [2023-11-26 12:01:37,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:37,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296084449] [2023-11-26 12:01:37,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:37,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:37,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:01:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:37,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:01:37,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:37,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 2 times [2023-11-26 12:01:37,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:37,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338611858] [2023-11-26 12:01:37,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:37,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:37,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:01:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:37,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:01:37,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:37,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1302289042, now seen corresponding path program 1 times [2023-11-26 12:01:37,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:37,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657458582] [2023-11-26 12:01:37,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:37,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:37,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:37,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:37,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657458582] [2023-11-26 12:01:37,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657458582] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:01:37,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208470524] [2023-11-26 12:01:37,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:37,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:01:37,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:37,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:01:37,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 12:01:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:37,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 12:01:37,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:01:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:37,899 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:01:37,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:37,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208470524] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:01:37,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:01:37,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-11-26 12:01:37,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348700738] [2023-11-26 12:01:37,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:01:38,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:38,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 12:01:38,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:01:38,016 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. cyclomatic complexity: 2 Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 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 12:01:38,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:38,084 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2023-11-26 12:01:38,084 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 14 transitions. [2023-11-26 12:01:38,088 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 12:01:38,090 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 14 transitions. [2023-11-26 12:01:38,090 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-26 12:01:38,090 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-26 12:01:38,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 14 transitions. [2023-11-26 12:01:38,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:01:38,091 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 14 transitions. [2023-11-26 12:01:38,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 14 transitions. [2023-11-26 12:01:38,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-26 12:01:38,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 12 states have internal predecessors, (14), 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 12:01:38,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2023-11-26 12:01:38,096 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 14 transitions. [2023-11-26 12:01:38,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:01:38,100 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 14 transitions. [2023-11-26 12:01:38,100 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 12:01:38,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 14 transitions. [2023-11-26 12:01:38,103 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 12:01:38,103 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:01:38,103 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:01:38,105 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1] [2023-11-26 12:01:38,106 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 12:01:38,106 INFO L748 eck$LassoCheckResult]: Stem: 146#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(103, 2, 0, 1);call write~init~int#1(99, 2, 1, 1);call write~init~int#1(100, 2, 2, 1);call write~init~int#1(95, 2, 3, 1);call write~init~int#1(52, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 147#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 141#L22 assume !(gcd_test_~a#1 < 0); 142#L22-2 assume !(gcd_test_~b#1 < 0); 148#L23-1 assume !(0 == gcd_test_~a#1); 149#L30-2 assume !!(0 != gcd_test_~b#1); 145#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 143#L30-2 assume !!(0 != gcd_test_~b#1); 144#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 153#L30-2 assume !!(0 != gcd_test_~b#1); 152#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 151#L30-2 [2023-11-26 12:01:38,106 INFO L750 eck$LassoCheckResult]: Loop: 151#L30-2 assume !!(0 != gcd_test_~b#1); 150#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 151#L30-2 [2023-11-26 12:01:38,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:38,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1664285203, now seen corresponding path program 2 times [2023-11-26 12:01:38,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:38,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921064084] [2023-11-26 12:01:38,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:38,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:38,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:01:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:38,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:01:38,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:38,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 3 times [2023-11-26 12:01:38,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:38,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680012284] [2023-11-26 12:01:38,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:38,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:38,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:01:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:38,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:01:38,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:38,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1650246872, now seen corresponding path program 2 times [2023-11-26 12:01:38,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:38,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466220388] [2023-11-26 12:01:38,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:38,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:38,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:01:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:38,255 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:01:38,899 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 12:01:38,899 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 12:01:38,900 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 12:01:38,900 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 12:01:38,900 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 12:01:38,900 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:38,900 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 12:01:38,900 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 12:01:38,901 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd_4.c_Iteration3_Lasso [2023-11-26 12:01:38,901 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 12:01:38,901 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 12:01:38,924 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 12:01:38,937 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 12:01:38,942 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 12:01:38,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:01:39,107 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 12:01:39,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:01:39,175 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 12:01:39,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:01:39,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:01:39,188 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 12:01:39,191 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 12:01:39,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 12:01:39,199 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 12:01:39,203 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 12:01:39,576 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 12:01:39,582 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 12:01:39,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:39,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:39,645 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:39,657 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 12:01:39,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 12:01:39,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:39,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:39,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:39,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:39,700 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:39,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:39,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:39,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:39,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:39,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:39,733 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:39,738 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 12:01:39,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 12:01:39,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:39,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:01:39,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:39,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:39,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:39,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:01:39,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:01:39,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:39,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:39,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:39,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:39,783 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:39,794 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 12:01:39,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 12:01:39,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:39,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:39,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:39,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:39,815 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:39,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:39,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:39,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:39,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:39,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:39,849 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:39,864 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 12:01:39,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:39,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:39,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:39,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:39,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 12:01:39,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:39,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:39,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:39,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:39,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:39,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:39,919 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:39,930 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 12:01:39,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 12:01:39,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:39,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:39,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:39,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:39,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:39,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:39,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:39,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:39,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:39,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:39,986 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,000 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 12:01:40,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 12:01:40,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:40,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:40,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:40,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:40,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:40,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:40,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:40,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:40,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:40,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:40,047 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,058 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 12:01:40,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 12:01:40,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:40,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:40,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:40,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:40,082 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:40,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:40,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:40,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:40,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:40,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:40,117 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 12:01:40,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 12:01:40,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:40,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:40,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:40,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:40,143 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:40,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:40,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:40,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:40,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:40,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:40,180 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 12:01:40,186 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 12:01:40,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:40,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:40,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:40,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:40,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:40,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:40,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:40,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:40,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:40,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:40,236 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 12:01:40,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 12:01:40,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:40,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:40,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:40,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:40,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:40,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:40,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:40,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:40,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:40,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:40,284 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,294 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 12:01:40,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 12:01:40,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:40,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:40,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:40,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:40,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:40,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:40,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:40,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:40,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:40,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:40,333 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,343 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 12:01:40,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 12:01:40,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:40,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:40,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:40,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:40,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:40,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:40,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:40,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:40,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:40,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:40,383 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,396 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 12:01:40,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 12:01:40,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:40,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:40,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:40,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:40,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:40,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:40,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:40,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:40,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:40,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:40,450 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,464 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 12:01:40,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 12:01:40,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:40,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:40,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:40,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:40,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:40,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:40,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:40,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:40,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:40,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:40,514 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,525 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 12:01:40,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 12:01:40,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:40,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:40,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:40,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:40,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:40,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:40,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:40,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:40,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:40,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:40,583 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 12:01:40,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 12:01:40,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:40,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:40,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:40,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:40,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:40,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:40,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:40,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:40,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:40,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:40,630 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 12:01:40,643 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 12:01:40,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:40,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:40,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:40,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:40,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:40,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:40,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:40,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:40,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:40,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:40,695 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,714 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 12:01:40,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 12:01:40,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:40,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:40,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:40,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:40,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:40,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:40,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:40,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:40,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:40,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:40,752 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 12:01:40,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 12:01:40,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:40,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:40,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:40,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:40,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:40,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:40,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:40,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:40,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:40,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:40,803 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,810 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 12:01:40,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 12:01:40,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:40,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:40,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:40,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:40,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:40,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:40,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:40,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:40,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:40,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:40,856 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,862 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 12:01:40,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 12:01:40,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:40,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:01:40,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:40,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:40,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:40,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:01:40,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:01:40,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:40,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:40,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:40,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:40,901 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,906 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 12:01:40,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 12:01:40,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:40,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:40,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:40,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:40,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:40,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:40,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:40,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:40,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:40,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:40,956 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,961 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 12:01:40,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 12:01:40,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:40,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:01:40,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:40,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:40,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:40,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:01:40,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:01:40,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:40,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-26 12:01:40,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:40,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:40,993 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:40,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 12:01:40,997 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 12:01:41,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:41,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 12:01:41,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:41,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:41,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:41,013 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 12:01:41,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 12:01:41,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:41,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-26 12:01:41,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:41,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:41,024 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:41,032 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 12:01:41,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 12:01:41,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:41,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:41,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:41,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:41,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:41,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:41,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:41,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:41,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:41,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:41,081 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:41,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 12:01:41,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 12:01:41,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:41,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:41,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 12:01:41,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:41,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 12:01:41,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 12:01:41,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 12:01:41,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:41,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:41,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:41,137 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:41,147 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 12:01:41,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 12:01:41,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 12:01:41,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 12:01:41,163 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-26 12:01:41,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 12:01:41,177 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-26 12:01:41,178 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 12:01:41,210 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 12:01:41,272 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-26 12:01:41,273 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-26 12:01:41,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 12:01:41,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:41,276 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:41,282 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 12:01:41,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 12:01:41,318 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 4. [2023-11-26 12:01:41,318 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 12:01:41,319 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_gcd_test_~b#1) = 1*ULTIMATE.start_gcd_test_~b#1 Supporting invariants [1*ULTIMATE.start_gcd_test_~a#1 - 2 >= 0, 1*ULTIMATE.start_gcd_test_~b#1 >= 0] [2023-11-26 12:01:41,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:41,341 INFO L156 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2023-11-26 12:01:41,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:41,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-26 12:01:41,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:01:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:41,590 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 12:01:41,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:01:41,603 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 12:01:41,607 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 1 loop predicates [2023-11-26 12:01:41,609 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:41,741 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 15 transitions. Complement of second has 6 states. [2023-11-26 12:01:41,742 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 12:01:41,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:41,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2023-11-26 12:01:41,746 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 11 letters. Loop has 2 letters. [2023-11-26 12:01:41,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:01:41,747 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 12:01:41,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:41,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-26 12:01:41,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:01:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:41,966 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 12:01:41,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:01:41,978 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 12:01:41,979 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 1 loop predicates [2023-11-26 12:01:41,980 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:42,072 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 15 transitions. Complement of second has 6 states. [2023-11-26 12:01:42,072 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 12:01:42,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:42,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2023-11-26 12:01:42,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 11 letters. Loop has 2 letters. [2023-11-26 12:01:42,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:01:42,077 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 12:01:42,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:42,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-26 12:01:42,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:01:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:42,280 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 12:01:42,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:01:42,292 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 12:01:42,293 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 1 loop predicates [2023-11-26 12:01:42,293 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:42,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:42,475 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 25 transitions. Complement of second has 12 states. [2023-11-26 12:01:42,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2023-11-26 12:01:42,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:42,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 20 transitions. [2023-11-26 12:01:42,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 11 letters. Loop has 2 letters. [2023-11-26 12:01:42,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:01:42,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 13 letters. Loop has 2 letters. [2023-11-26 12:01:42,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:01:42,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 11 letters. Loop has 4 letters. [2023-11-26 12:01:42,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 12:01:42,480 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2023-11-26 12:01:42,481 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 12:01:42,482 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 23 transitions. [2023-11-26 12:01:42,483 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-26 12:01:42,483 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-26 12:01:42,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 23 transitions. [2023-11-26 12:01:42,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:01:42,484 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2023-11-26 12:01:42,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 23 transitions. [2023-11-26 12:01:42,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2023-11-26 12:01:42,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 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 12:01:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2023-11-26 12:01:42,487 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2023-11-26 12:01:42,487 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2023-11-26 12:01:42,487 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 12:01:42,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2023-11-26 12:01:42,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 12:01:42,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:01:42,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:01:42,490 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1, 1] [2023-11-26 12:01:42,490 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 12:01:42,490 INFO L748 eck$LassoCheckResult]: Stem: 405#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(103, 2, 0, 1);call write~init~int#1(99, 2, 1, 1);call write~init~int#1(100, 2, 2, 1);call write~init~int#1(95, 2, 3, 1);call write~init~int#1(52, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 406#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 403#L22 assume !(gcd_test_~a#1 < 0); 404#L22-2 assume !(gcd_test_~b#1 < 0); 407#L23-1 assume !(0 == gcd_test_~a#1); 408#L30-2 assume !!(0 != gcd_test_~b#1); 414#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 413#L30-2 assume !!(0 != gcd_test_~b#1); 412#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 411#L30-2 assume !!(0 != gcd_test_~b#1); 410#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 409#L30-2 assume !!(0 != gcd_test_~b#1); 402#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 398#L30-2 [2023-11-26 12:01:42,490 INFO L750 eck$LassoCheckResult]: Loop: 398#L30-2 assume !!(0 != gcd_test_~b#1); 399#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 398#L30-2 [2023-11-26 12:01:42,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:42,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1650246870, now seen corresponding path program 3 times [2023-11-26 12:01:42,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:42,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997573997] [2023-11-26 12:01:42,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:42,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:42,644 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:42,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:42,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997573997] [2023-11-26 12:01:42,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997573997] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:42,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:42,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:01:42,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440165880] [2023-11-26 12:01:42,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:42,646 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:01:42,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:42,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 4 times [2023-11-26 12:01:42,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:42,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148120349] [2023-11-26 12:01:42,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:42,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:42,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:01:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:42,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:01:42,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:42,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:01:42,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:01:42,689 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:42,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:42,726 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2023-11-26 12:01:42,726 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2023-11-26 12:01:42,727 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 12:01:42,728 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 20 transitions. [2023-11-26 12:01:42,728 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-26 12:01:42,728 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-26 12:01:42,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 20 transitions. [2023-11-26 12:01:42,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:01:42,729 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 20 transitions. [2023-11-26 12:01:42,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 20 transitions. [2023-11-26 12:01:42,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2023-11-26 12:01:42,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:42,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2023-11-26 12:01:42,732 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2023-11-26 12:01:42,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:01:42,733 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2023-11-26 12:01:42,734 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 12:01:42,734 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2023-11-26 12:01:42,735 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 12:01:42,735 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:01:42,735 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:01:42,736 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:42,736 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 12:01:42,736 INFO L748 eck$LassoCheckResult]: Stem: 450#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(103, 2, 0, 1);call write~init~int#1(99, 2, 1, 1);call write~init~int#1(100, 2, 2, 1);call write~init~int#1(95, 2, 3, 1);call write~init~int#1(52, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 451#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 443#L22 assume !(gcd_test_~a#1 < 0); 444#L22-2 assume !(gcd_test_~b#1 < 0); 452#L23-1 assume !(0 == gcd_test_~a#1); 453#L30-2 assume !!(0 != gcd_test_~b#1); 459#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 458#L30-2 assume !!(0 != gcd_test_~b#1); 457#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 456#L30-2 assume !!(0 != gcd_test_~b#1); 455#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 454#L30-2 assume !!(0 != gcd_test_~b#1); 448#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 447#L30-2 assume !!(0 != gcd_test_~b#1); 449#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 445#L30-2 [2023-11-26 12:01:42,736 INFO L750 eck$LassoCheckResult]: Loop: 445#L30-2 assume !!(0 != gcd_test_~b#1); 446#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 445#L30-2 [2023-11-26 12:01:42,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:42,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1044312667, now seen corresponding path program 3 times [2023-11-26 12:01:42,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:42,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271272789] [2023-11-26 12:01:42,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:42,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:42,975 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:42,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:42,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271272789] [2023-11-26 12:01:42,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271272789] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:01:42,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371110416] [2023-11-26 12:01:42,976 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 12:01:42,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:01:42,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:42,978 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:01:42,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-11-26 12:01:43,037 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-11-26 12:01:43,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 12:01:43,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-26 12:01:43,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:01:43,175 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:43,176 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:01:43,290 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:43,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371110416] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:01:43,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:01:43,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2023-11-26 12:01:43,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61103592] [2023-11-26 12:01:43,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:01:43,292 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:01:43,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:43,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 5 times [2023-11-26 12:01:43,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:43,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111777086] [2023-11-26 12:01:43,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:43,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:43,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:01:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:43,300 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:01:43,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:43,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-26 12:01:43,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-26 12:01:43,333 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand has 16 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 16 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:43,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:43,437 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2023-11-26 12:01:43,438 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2023-11-26 12:01:43,439 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 12:01:43,439 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 22 transitions. [2023-11-26 12:01:43,440 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-26 12:01:43,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-26 12:01:43,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2023-11-26 12:01:43,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 12:01:43,441 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 22 transitions. [2023-11-26 12:01:43,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2023-11-26 12:01:43,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2023-11-26 12:01:43,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.105263157894737) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:43,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2023-11-26 12:01:43,444 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-26 12:01:43,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 12:01:43,445 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-26 12:01:43,445 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 12:01:43,446 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2023-11-26 12:01:43,446 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 12:01:43,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 12:01:43,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 12:01:43,448 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 4, 2, 1, 1, 1, 1, 1] [2023-11-26 12:01:43,448 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 12:01:43,448 INFO L748 eck$LassoCheckResult]: Stem: 594#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(103, 2, 0, 1);call write~init~int#1(99, 2, 1, 1);call write~init~int#1(100, 2, 2, 1);call write~init~int#1(95, 2, 3, 1);call write~init~int#1(52, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 595#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 590#L22 assume !(gcd_test_~a#1 < 0); 591#L22-2 assume !(gcd_test_~b#1 < 0); 596#L23-1 assume !(0 == gcd_test_~a#1); 597#L30-2 assume !!(0 != gcd_test_~b#1); 604#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 603#L30-2 assume !!(0 != gcd_test_~b#1); 602#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 601#L30-2 assume !!(0 != gcd_test_~b#1); 600#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 598#L30-2 assume !!(0 != gcd_test_~b#1); 599#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 588#L30-2 assume !!(0 != gcd_test_~b#1); 589#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 593#L30-2 assume !!(0 != gcd_test_~b#1); 592#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 586#L30-2 [2023-11-26 12:01:43,448 INFO L750 eck$LassoCheckResult]: Loop: 586#L30-2 assume !!(0 != gcd_test_~b#1); 587#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 586#L30-2 [2023-11-26 12:01:43,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:43,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1437871456, now seen corresponding path program 4 times [2023-11-26 12:01:43,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:43,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198490652] [2023-11-26 12:01:43,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:43,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:43,622 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:43,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:43,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198490652] [2023-11-26 12:01:43,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198490652] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:01:43,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745852642] [2023-11-26 12:01:43,623 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-26 12:01:43,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:01:43,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:43,626 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:01:43,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-11-26 12:01:43,692 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-26 12:01:43,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 12:01:43,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-26 12:01:43,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:01:43,881 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:43,881 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:01:44,092 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:44,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745852642] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:01:44,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:01:44,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2023-11-26 12:01:44,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061463162] [2023-11-26 12:01:44,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:01:44,097 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 12:01:44,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:44,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 6 times [2023-11-26 12:01:44,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:44,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044581476] [2023-11-26 12:01:44,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:44,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:44,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:01:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:01:44,109 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:01:44,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:44,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-26 12:01:44,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2023-11-26 12:01:44,158 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. cyclomatic complexity: 4 Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 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 12:01:44,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:44,321 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2023-11-26 12:01:44,321 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 15 transitions. [2023-11-26 12:01:44,323 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 12:01:44,323 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2023-11-26 12:01:44,323 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 12:01:44,324 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 12:01:44,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 12:01:44,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:01:44,324 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:01:44,324 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:01:44,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 12:01:44,329 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:01:44,329 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 12:01:44,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 12:01:44,329 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 12:01:44,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 12:01:44,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 12:01:44 BoogieIcfgContainer [2023-11-26 12:01:44,339 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 12:01:44,340 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:01:44,340 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:01:44,340 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:01:44,341 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:36" (3/4) ... [2023-11-26 12:01:44,343 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 12:01:44,345 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:01:44,345 INFO L158 Benchmark]: Toolchain (without parser) took 8638.80ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 140.4MB in the beginning and 164.6MB in the end (delta: -24.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2023-11-26 12:01:44,346 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:01:44,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.07ms. Allocated memory is still 169.9MB. Free memory was 140.4MB in the beginning and 129.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 12:01:44,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.42ms. Allocated memory is still 169.9MB. Free memory was 129.9MB in the beginning and 128.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:01:44,347 INFO L158 Benchmark]: Boogie Preprocessor took 47.51ms. Allocated memory is still 169.9MB. Free memory was 128.7MB in the beginning and 127.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:01:44,348 INFO L158 Benchmark]: RCFGBuilder took 440.54ms. Allocated memory is still 169.9MB. Free memory was 127.0MB in the beginning and 132.1MB in the end (delta: -5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 12:01:44,348 INFO L158 Benchmark]: BuchiAutomizer took 7811.40ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 132.1MB in the beginning and 165.6MB in the end (delta: -33.6MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2023-11-26 12:01:44,349 INFO L158 Benchmark]: Witness Printer took 4.99ms. Allocated memory is still 205.5MB. Free memory was 165.6MB in the beginning and 164.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:01:44,352 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.07ms. Allocated memory is still 169.9MB. Free memory was 140.4MB in the beginning and 129.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.42ms. Allocated memory is still 169.9MB. Free memory was 129.9MB in the beginning and 128.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.51ms. Allocated memory is still 169.9MB. Free memory was 128.7MB in the beginning and 127.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 440.54ms. Allocated memory is still 169.9MB. Free memory was 127.0MB in the beginning and 132.1MB in the end (delta: -5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 7811.40ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 132.1MB in the beginning and 165.6MB in the end (delta: -33.6MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Witness Printer took 4.99ms. Allocated memory is still 205.5MB. Free memory was 165.6MB in the beginning and 164.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (5 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function b and consists of 7 locations. 5 modules have a trivial ranking function, the largest among these consists of 18 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.7s and 7 iterations. TraceHistogramMax:6. Analysis of lassos took 5.9s. Construction of modules took 0.3s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 77 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 288 IncrementalHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 33 mSDtfsCounter, 288 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN3 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital140 mio100 ax100 hnf100 lsp41 ukn44 mio100 lsp76 div100 bol100 ite100 ukn100 eq189 hnf92 smp100 dnf137 smp100 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 182ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 12:01:44,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:44,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2023-11-26 12:01:44,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-26 12:01:44,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113ca249-3010-4939-92f4-020b5aabd7fa/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