./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b 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_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 bec73cbd355af8995620266d1bb50e13212a1740ed8bd583620b6985b8fd569c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:01:54,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:01:54,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 22:01:54,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:01:55,000 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:01:55,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:01:55,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:01:55,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:01:55,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:01:55,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:01:55,030 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:01:55,031 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:01:55,032 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:01:55,033 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:01:55,033 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:01:55,034 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:01:55,034 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:01:55,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:01:55,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:01:55,036 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:01:55,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:01:55,038 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:01:55,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:01:55,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:01:55,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:01:55,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:01:55,040 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:01:55,040 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:01:55,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:01:55,041 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:01:55,042 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:01:55,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:01:55,043 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:01:55,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:01:55,044 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:01:55,044 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:01:55,045 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_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bec73cbd355af8995620266d1bb50e13212a1740ed8bd583620b6985b8fd569c [2023-11-06 22:01:55,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:01:55,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:01:55,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:01:55,435 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:01:55,435 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:01:55,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c [2023-11-06 22:01:58,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:01:58,805 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:01:58,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c [2023-11-06 22:01:58,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/data/bb3b45041/09bbf3c4d77948d5bdf3d353bd6ee65c/FLAG9fc3e8194 [2023-11-06 22:01:58,831 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/data/bb3b45041/09bbf3c4d77948d5bdf3d353bd6ee65c [2023-11-06 22:01:58,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:01:58,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:01:58,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:01:58,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:01:58,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:01:58,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:01:58" (1/1) ... [2023-11-06 22:01:58,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f089b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:58, skipping insertion in model container [2023-11-06 22:01:58,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:01:58" (1/1) ... [2023-11-06 22:01:58,875 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:01:59,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:01:59,071 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:01:59,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:01:59,110 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:01:59,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59 WrapperNode [2023-11-06 22:01:59,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:01:59,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:01:59,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:01:59,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:01:59,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:01:59,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:01:59,151 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-11-06 22:01:59,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:01:59,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:01:59,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:01:59,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:01:59,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:01:59,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:01:59,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:01:59,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:01:59,172 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:01:59,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:01:59,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:01:59,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:01:59,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:01:59,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:01:59,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:01:59,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:01:59,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (1/1) ... [2023-11-06 22:01:59,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:01:59,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:01:59,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:01:59,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:01:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:01:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:01:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:01:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:01:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:01:59,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:01:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:01:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:01:59,424 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:01:59,427 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:01:59,716 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:01:59,724 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:01:59,725 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:01:59,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:01:59 BoogieIcfgContainer [2023-11-06 22:01:59,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:01:59,729 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:01:59,729 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:01:59,733 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:01:59,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:01:59,735 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:01:58" (1/3) ... [2023-11-06 22:01:59,736 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65868d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:01:59, skipping insertion in model container [2023-11-06 22:01:59,738 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:01:59,738 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:01:59" (2/3) ... [2023-11-06 22:01:59,740 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65868d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:01:59, skipping insertion in model container [2023-11-06 22:01:59,741 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:01:59,741 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:01:59" (3/3) ... [2023-11-06 22:01:59,742 INFO L332 chiAutomizerObserver]: Analyzing ICFG verisec_sendmail_tTflag_arr_one_loop.c [2023-11-06 22:01:59,815 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:01:59,815 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:01:59,815 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:01:59,816 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:01:59,816 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:01:59,816 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:01:59,816 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:01:59,816 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:01:59,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:01:59,840 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2023-11-06 22:01:59,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:01:59,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:01:59,847 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:01:59,848 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:01:59,848 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:01:59,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:01:59,852 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2023-11-06 22:01:59,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:01:59,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:01:59,853 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:01:59,853 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:01:59,862 INFO L748 eck$LassoCheckResult]: Stem: 11#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 3#L21-3true [2023-11-06 22:01:59,862 INFO L750 eck$LassoCheckResult]: Loop: 3#L21-3true assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 12#L21-2true main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3#L21-3true [2023-11-06 22:01:59,870 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:59,870 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-06 22:01:59,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:01:59,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703458510] [2023-11-06 22:01:59,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:59,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:01:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:01:59,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:02:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:00,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:02:00,026 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:00,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2023-11-06 22:02:00,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:00,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306206890] [2023-11-06 22:02:00,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:00,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:00,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:02:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:00,048 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:02:00,050 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:00,050 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2023-11-06 22:02:00,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:00,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969949609] [2023-11-06 22:02:00,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:00,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:00,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:02:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:00,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:02:00,548 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:02:00,549 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:02:00,549 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:02:00,549 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:02:00,550 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:02:00,550 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:00,550 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:02:00,550 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:02:00,550 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_sendmail_tTflag_arr_one_loop.c_Iteration1_Lasso [2023-11-06 22:02:00,551 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:02:00,551 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:02:00,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:00,591 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:00,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:00,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:00,603 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:00,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:00,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:00,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:00,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:00,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:00,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:00,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:01,287 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:02:01,292 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:02:01,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:01,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:01,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:01,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:02:01,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:02:01,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:01,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:01,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:01,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:01,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:01,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:01,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:01,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:01,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-06 22:02:01,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:01,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:01,366 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:01,374 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 [2023-11-06 22:02:01,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:02:01,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:01,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:01,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:01,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:01,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:01,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:01,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:01,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:01,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:01,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:01,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:01,422 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:01,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:02:01,426 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 [2023-11-06 22:02:01,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:01,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:01,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:01,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:01,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:01,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:01,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:01,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:01,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:01,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:01,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:01,458 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:01,468 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 [2023-11-06 22:02:01,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:02:01,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:01,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:01,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:01,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:01,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:01,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:01,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:01,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:01,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:01,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:01,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:01,502 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:01,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:02:01,508 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 [2023-11-06 22:02:01,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:01,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:01,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:01,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:01,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:01,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:01,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:01,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:01,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:01,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:01,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:01,557 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:01,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:02:01,564 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 [2023-11-06 22:02:01,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:01,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:01,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:01,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:01,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:01,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:01,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:01,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:01,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:01,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:01,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:01,611 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:01,625 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 [2023-11-06 22:02:01,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:02:01,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:01,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:01,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:01,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:01,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:01,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:01,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:01,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:01,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:01,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:01,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:01,667 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:01,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:02:01,676 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 [2023-11-06 22:02:01,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:01,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:01,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:01,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:01,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:01,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:01,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:01,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:01,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-06 22:02:01,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:01,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:01,707 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:01,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:02:01,716 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 [2023-11-06 22:02:01,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:01,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:01,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:01,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:01,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:01,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:01,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:01,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:01,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:01,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:01,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:01,753 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:01,765 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 [2023-11-06 22:02:01,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:02:01,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:01,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:01,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:01,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:01,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:01,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:01,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:01,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:01,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:01,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:01,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:01,801 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:01,810 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 [2023-11-06 22:02:01,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 22:02:01,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:01,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:01,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:01,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:01,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:01,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:01,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:01,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:01,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:01,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:01,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:01,852 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:01,861 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 [2023-11-06 22:02:01,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 22:02:01,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:01,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:01,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:01,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:01,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:01,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:01,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:01,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:01,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:01,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:01,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:01,901 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:01,910 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 [2023-11-06 22:02:01,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 22:02:01,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:01,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:01,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:01,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:01,928 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:01,928 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:01,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:01,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:01,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:01,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:01,962 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:01,970 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 [2023-11-06 22:02:01,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 22:02:01,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:01,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:01,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:01,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:01,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:01,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:02,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:02,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:02,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:02,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:02,007 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:02,020 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 [2023-11-06 22:02:02,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:02,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:02,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:02,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:02,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:02,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:02,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-06 22:02:02,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:02,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:02,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:02,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:02,060 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:02,068 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 [2023-11-06 22:02:02,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-06 22:02:02,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:02,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:02,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:02,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:02,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:02,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:02,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:02,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:02,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:02,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:02,117 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:02,124 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 [2023-11-06 22:02:02,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-06 22:02:02,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:02,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:02,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:02,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:02,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:02,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:02,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:02,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:02,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:02,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:02,165 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:02,172 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 [2023-11-06 22:02:02,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:02,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:02,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:02,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:02,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-06 22:02:02,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:02,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:02,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:02,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:02,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:02,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:02,207 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:02,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-06 22:02:02,214 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 [2023-11-06 22:02:02,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:02,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:02,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:02,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:02,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:02,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:02,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:02,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:02,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:02,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:02,266 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:02,271 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 [2023-11-06 22:02:02,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-06 22:02:02,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:02,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:02,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:02,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:02,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:02,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:02,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:02,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:02,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:02,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:02,322 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:02,332 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 [2023-11-06 22:02:02,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-06 22:02:02,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:02,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:02,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:02,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:02,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:02,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:02,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:02,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:02,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:02,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:02,372 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:02,376 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 [2023-11-06 22:02:02,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-06 22:02:02,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:02,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:02,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:02,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:02,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:02,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:02,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:02,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:02,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:02,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:02,420 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:02,429 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 [2023-11-06 22:02:02,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-06 22:02:02,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:02,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:02,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:02,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:02,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:02,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:02,471 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:02:02,515 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-11-06 22:02:02,515 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-06 22:02:02,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:02,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:02,546 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:02,548 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:02:02,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-06 22:02:02,578 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:02:02,578 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:02:02,579 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#in~0#1.base)_1) = -2*ULTIMATE.start_main_~i~0#1 + 21*v_rep(select #length ULTIMATE.start_main_~#in~0#1.base)_1 Supporting invariants [] [2023-11-06 22:02:02,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:02,607 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2023-11-06 22:02:02,616 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#in~0!base] could not be translated [2023-11-06 22:02:02,635 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:02,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:02:02,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:02,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:02:02,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:02,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:02,777 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 22:02:02,779 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:02,841 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 37 transitions. Complement of second has 8 states. [2023-11-06 22:02:02,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 22:02:02,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:02,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2023-11-06 22:02:02,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-06 22:02:02,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:02:02,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-06 22:02:02,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:02:02,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-06 22:02:02,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:02:02,854 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 37 transitions. [2023-11-06 22:02:02,857 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:02:02,861 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 7 states and 9 transitions. [2023-11-06 22:02:02,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2023-11-06 22:02:02,863 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2023-11-06 22:02:02,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. [2023-11-06 22:02:02,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:02,864 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-11-06 22:02:02,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. [2023-11-06 22:02:02,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2023-11-06 22:02:02,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:02,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2023-11-06 22:02:02,892 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-11-06 22:02:02,893 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-11-06 22:02:02,893 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:02:02,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2023-11-06 22:02:02,894 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:02:02,894 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:02:02,894 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:02:02,894 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-06 22:02:02,895 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-06 22:02:02,895 INFO L748 eck$LassoCheckResult]: Stem: 104#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 105#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 100#L21-3 assume !(main_~i~0#1 < 11); 101#L21-4 call write~int(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 106#L28-2 [2023-11-06 22:02:02,895 INFO L750 eck$LassoCheckResult]: Loop: 106#L28-2 assume !!(48 <= (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) && (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) <= 57);main_~j~0#1 := (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 106#L28-2 [2023-11-06 22:02:02,896 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:02,896 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2023-11-06 22:02:02,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:02,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225117017] [2023-11-06 22:02:02,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:02,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:02,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:02,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:02,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225117017] [2023-11-06 22:02:02,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225117017] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:02,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:02,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:02:02,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834576717] [2023-11-06 22:02:02,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:02,990 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:02:02,990 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:02,990 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times [2023-11-06 22:02:02,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:02,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357118378] [2023-11-06 22:02:02,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:02,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:03,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:02:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:03,028 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:02:03,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:03,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:03,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:02:03,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:02:03,276 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:03,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:03,297 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2023-11-06 22:02:03,298 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2023-11-06 22:02:03,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:02:03,302 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 10 transitions. [2023-11-06 22:02:03,302 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-06 22:02:03,303 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-11-06 22:02:03,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2023-11-06 22:02:03,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:03,303 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2023-11-06 22:02:03,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2023-11-06 22:02:03,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 7. [2023-11-06 22:02:03,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:03,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2023-11-06 22:02:03,306 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-11-06 22:02:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:02:03,307 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-11-06 22:02:03,307 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:02:03,308 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2023-11-06 22:02:03,308 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:02:03,308 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:02:03,308 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:02:03,309 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:02:03,310 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-06 22:02:03,310 INFO L748 eck$LassoCheckResult]: Stem: 126#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 127#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 122#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 123#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 124#L21-3 assume !(main_~i~0#1 < 11); 125#L21-4 call write~int(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 128#L28-2 [2023-11-06 22:02:03,310 INFO L750 eck$LassoCheckResult]: Loop: 128#L28-2 assume !!(48 <= (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) && (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) <= 57);main_~j~0#1 := (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 128#L28-2 [2023-11-06 22:02:03,312 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:03,312 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2023-11-06 22:02:03,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:03,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234592007] [2023-11-06 22:02:03,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:03,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:03,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:03,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:03,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234592007] [2023-11-06 22:02:03,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234592007] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:03,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525700113] [2023-11-06 22:02:03,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:03,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:03,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:03,445 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:03,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-06 22:02:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:03,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:02:03,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:03,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:03,539 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:03,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:03,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525700113] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:02:03,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:02:03,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-06 22:02:03,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235561237] [2023-11-06 22:02:03,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:02:03,570 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:02:03,571 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:03,571 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 2 times [2023-11-06 22:02:03,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:03,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441422495] [2023-11-06 22:02:03,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:03,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:03,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:02:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:03,626 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:02:03,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:03,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:02:03,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:02:03,810 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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) [2023-11-06 22:02:03,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:03,864 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2023-11-06 22:02:03,864 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 16 transitions. [2023-11-06 22:02:03,867 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:02:03,868 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 16 transitions. [2023-11-06 22:02:03,868 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-11-06 22:02:03,869 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-11-06 22:02:03,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 16 transitions. [2023-11-06 22:02:03,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:03,869 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 16 transitions. [2023-11-06 22:02:03,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 16 transitions. [2023-11-06 22:02:03,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2023-11-06 22:02:03,871 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) [2023-11-06 22:02:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2023-11-06 22:02:03,873 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 14 transitions. [2023-11-06 22:02:03,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:02:03,875 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 14 transitions. [2023-11-06 22:02:03,876 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 22:02:03,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 14 transitions. [2023-11-06 22:02:03,878 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:02:03,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:02:03,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:02:03,879 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2023-11-06 22:02:03,880 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-06 22:02:03,880 INFO L748 eck$LassoCheckResult]: Stem: 188#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 189#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 184#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 185#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 186#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 187#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 196#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 195#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 194#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 193#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 192#L21-3 assume !(main_~i~0#1 < 11); 190#L21-4 call write~int(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 191#L28-2 [2023-11-06 22:02:03,880 INFO L750 eck$LassoCheckResult]: Loop: 191#L28-2 assume !!(48 <= (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) && (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) <= 57);main_~j~0#1 := (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 191#L28-2 [2023-11-06 22:02:03,881 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:03,881 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2023-11-06 22:02:03,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:03,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919356096] [2023-11-06 22:02:03,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:03,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:04,032 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:04,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:04,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919356096] [2023-11-06 22:02:04,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919356096] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:04,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514454558] [2023-11-06 22:02:04,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:02:04,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:04,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:04,034 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:04,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-11-06 22:02:04,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:02:04,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:02:04,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:02:04,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:04,156 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:04,156 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:04,241 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:04,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514454558] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:02:04,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:02:04,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2023-11-06 22:02:04,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166215454] [2023-11-06 22:02:04,243 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:02:04,244 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:02:04,245 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:04,245 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 3 times [2023-11-06 22:02:04,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:04,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565507982] [2023-11-06 22:02:04,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:04,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:04,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:02:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:04,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:02:04,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:04,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:02:04,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:02:04,418 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 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) [2023-11-06 22:02:04,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:04,492 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2023-11-06 22:02:04,492 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 28 transitions. [2023-11-06 22:02:04,493 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:02:04,494 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 28 transitions. [2023-11-06 22:02:04,494 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-11-06 22:02:04,494 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-11-06 22:02:04,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 28 transitions. [2023-11-06 22:02:04,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:04,495 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 28 transitions. [2023-11-06 22:02:04,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 28 transitions. [2023-11-06 22:02:04,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2023-11-06 22:02:04,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.04) internal successors, (26), 24 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:04,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2023-11-06 22:02:04,498 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 26 transitions. [2023-11-06 22:02:04,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:02:04,500 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 26 transitions. [2023-11-06 22:02:04,500 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-06 22:02:04,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 26 transitions. [2023-11-06 22:02:04,501 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:02:04,501 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:02:04,501 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:02:04,502 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2023-11-06 22:02:04,502 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-06 22:02:04,503 INFO L748 eck$LassoCheckResult]: Stem: 310#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 311#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 306#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 307#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 308#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 309#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 330#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 329#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 328#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 327#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 326#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 325#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 324#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 323#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 322#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 321#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 320#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 319#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 318#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 317#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 316#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 315#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 314#L21-3 assume !(main_~i~0#1 < 11); 312#L21-4 call write~int(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 313#L28-2 [2023-11-06 22:02:04,503 INFO L750 eck$LassoCheckResult]: Loop: 313#L28-2 assume !!(48 <= (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) && (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) <= 57);main_~j~0#1 := (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 313#L28-2 [2023-11-06 22:02:04,503 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:04,504 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272351, now seen corresponding path program 3 times [2023-11-06 22:02:04,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:04,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705392143] [2023-11-06 22:02:04,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:04,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:04,864 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:04,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:04,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705392143] [2023-11-06 22:02:04,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705392143] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:04,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317920332] [2023-11-06 22:02:04,875 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:02:04,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:02:04,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:04,883 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:02:04,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-11-06 22:02:05,063 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-06 22:02:05,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:02:05,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 22:02:05,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:05,140 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:05,141 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:05,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317920332] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:02:05,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:02:05,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 14 [2023-11-06 22:02:05,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535429081] [2023-11-06 22:02:05,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:02:05,296 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:02:05,297 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:05,297 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 4 times [2023-11-06 22:02:05,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:05,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105718442] [2023-11-06 22:02:05,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:05,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:05,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:02:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:05,312 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:02:05,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:05,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:02:05,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:02:05,458 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. cyclomatic complexity: 3 Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:05,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:05,536 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2023-11-06 22:02:05,537 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 30 transitions. [2023-11-06 22:02:05,539 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:02:05,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 30 transitions. [2023-11-06 22:02:05,540 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-11-06 22:02:05,540 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-11-06 22:02:05,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 30 transitions. [2023-11-06 22:02:05,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:05,541 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 30 transitions. [2023-11-06 22:02:05,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 30 transitions. [2023-11-06 22:02:05,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2023-11-06 22:02:05,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.037037037037037) internal successors, (28), 26 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:05,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2023-11-06 22:02:05,544 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 28 transitions. [2023-11-06 22:02:05,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:02:05,546 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 28 transitions. [2023-11-06 22:02:05,546 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-06 22:02:05,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 28 transitions. [2023-11-06 22:02:05,547 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:02:05,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:02:05,547 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:02:05,548 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 11, 1, 1, 1, 1] [2023-11-06 22:02:05,548 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-06 22:02:05,548 INFO L748 eck$LassoCheckResult]: Stem: 519#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 520#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 515#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 516#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 517#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 518#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 541#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 540#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 539#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 538#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 537#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 536#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 535#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 534#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 533#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 532#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 531#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 530#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 529#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 528#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 527#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 526#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 525#L21-3 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 524#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 523#L21-3 assume !(main_~i~0#1 < 11); 522#L21-4 call write~int(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 521#L28-2 [2023-11-06 22:02:05,548 INFO L750 eck$LassoCheckResult]: Loop: 521#L28-2 assume !!(48 <= (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) && (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) <= 57);main_~j~0#1 := (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 521#L28-2 [2023-11-06 22:02:05,548 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:05,549 INFO L85 PathProgramCache]: Analyzing trace with hash -95647583, now seen corresponding path program 4 times [2023-11-06 22:02:05,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:05,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643044696] [2023-11-06 22:02:05,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:05,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:05,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:02:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:05,609 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:02:05,609 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:05,610 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 5 times [2023-11-06 22:02:05,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:05,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087366723] [2023-11-06 22:02:05,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:05,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:05,616 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:02:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:05,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:02:05,623 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:05,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1329892248, now seen corresponding path program 1 times [2023-11-06 22:02:05,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:05,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741168460] [2023-11-06 22:02:05,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:05,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:05,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:02:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:05,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:02:21,130 WARN L293 SmtUtils]: Spent 15.28s on a formula simplification. DAG size of input: 233 DAG size of output: 177 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:02:21,447 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:02:21,448 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:02:21,448 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:02:21,448 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:02:21,448 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:02:21,448 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:21,448 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:02:21,448 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:02:21,448 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_sendmail_tTflag_arr_one_loop.c_Iteration6_Lasso [2023-11-06 22:02:21,449 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:02:21,449 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:02:21,452 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:21,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:21,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:21,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:21,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:21,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:21,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:21,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:02:22,944 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:02:22,944 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:02:22,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:22,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:22,948 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:22,956 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 [2023-11-06 22:02:22,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:22,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:22,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:22,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:22,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:22,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:22,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:22,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-06 22:02:22,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:22,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:22,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:22,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:22,997 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:02:23,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-06 22:02:23,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:23,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:23,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:23,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,049 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:02:23,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:23,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:23,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:23,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-06 22:02:23,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:23,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,086 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,090 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 [2023-11-06 22:02:23,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:23,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:23,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:23,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-06 22:02:23,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:23,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,119 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:02:23,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:23,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:23,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:23,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-06 22:02:23,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:23,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,152 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,155 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 [2023-11-06 22:02:23,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:23,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-06 22:02:23,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:23,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:23,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:23,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,194 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,198 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 [2023-11-06 22:02:23,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:23,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:23,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:23,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-06 22:02:23,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:23,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,245 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,250 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 [2023-11-06 22:02:23,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:23,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:23,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-06 22:02:23,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:23,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,295 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,300 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 [2023-11-06 22:02:23,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-06 22:02:23,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:23,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:23,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-06 22:02:23,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,322 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-06 22:02:23,325 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 [2023-11-06 22:02:23,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:23,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:23,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-06 22:02:23,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,365 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,369 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 [2023-11-06 22:02:23,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-06 22:02:23,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:23,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:23,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:23,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,408 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-06 22:02:23,412 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 [2023-11-06 22:02:23,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:23,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:23,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:23,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,435 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-06 22:02:23,438 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 [2023-11-06 22:02:23,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:23,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:23,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-06 22:02:23,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,487 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-06 22:02:23,490 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 [2023-11-06 22:02:23,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:23,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:23,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:23,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:23,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,506 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-06 22:02:23,509 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 [2023-11-06 22:02:23,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,519 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-06 22:02:23,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,540 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-06 22:02:23,541 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-06 22:02:23,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:23,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,580 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,585 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 [2023-11-06 22:02:23,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:23,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:23,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:23,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-06 22:02:23,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:23,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,623 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-06 22:02:23,628 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 [2023-11-06 22:02:23,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:23,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:23,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:23,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:23,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,669 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,675 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 [2023-11-06 22:02:23,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:23,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:23,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-06 22:02:23,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:23,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,716 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,723 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 [2023-11-06 22:02:23,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:23,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:23,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:23,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-06 22:02:23,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:23,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,751 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-06 22:02:23,754 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 [2023-11-06 22:02:23,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:02:23,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:02:23,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:02:23,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-06 22:02:23,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,771 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-06 22:02:23,773 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 [2023-11-06 22:02:23,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:23,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:23,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:23,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,820 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:02:23,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-06 22:02:23,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:23,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:23,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:23,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,860 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:02:23,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:23,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:23,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-06 22:02:23,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:02:23,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-11-06 22:02:23,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,896 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-06 22:02:23,898 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 [2023-11-06 22:02:23,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:02:23,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:02:23,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:02:23,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:02:23,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:02:23,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:02:23,963 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:02:23,982 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-06 22:02:23,983 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-06 22:02:23,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:02:23,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:23,989 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:23,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-06 22:02:23,994 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:02:24,005 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-06 22:02:24,005 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:02:24,005 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~idx_in~0#1) = -2*ULTIMATE.start_main_~idx_in~0#1 + 19 Supporting invariants [1*ULTIMATE.start_main_~#in~0#1.offset - 1*v_rep(select #length ULTIMATE.start_main_~#in~0#1.base)_2 + 11 >= 0] [2023-11-06 22:02:24,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:24,042 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2023-11-06 22:02:24,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:24,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:02:24,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:24,165 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-06 22:02:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:24,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:02:24,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:24,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:02:24,332 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2023-11-06 22:02:24,332 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 28 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.3333333333333335) 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) [2023-11-06 22:02:24,360 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 28 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.3333333333333335) 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) Result 28 states and 29 transitions. Complement of second has 3 states. [2023-11-06 22:02:24,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-06 22:02:24,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) 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) [2023-11-06 22:02:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2023-11-06 22:02:24,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 26 letters. Loop has 1 letters. [2023-11-06 22:02:24,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:02:24,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 27 letters. Loop has 1 letters. [2023-11-06 22:02:24,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:02:24,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 26 letters. Loop has 2 letters. [2023-11-06 22:02:24,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:02:24,366 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 29 transitions. [2023-11-06 22:02:24,370 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:02:24,370 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2023-11-06 22:02:24,370 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 22:02:24,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 22:02:24,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 22:02:24,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:24,371 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:02:24,371 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:02:24,371 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:02:24,371 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-06 22:02:24,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:02:24,371 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:02:24,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 22:02:24,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:02:24 BoogieIcfgContainer [2023-11-06 22:02:24,379 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:02:24,379 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:02:24,379 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:02:24,380 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:02:24,380 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:01:59" (3/4) ... [2023-11-06 22:02:24,382 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:02:24,383 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:02:24,384 INFO L158 Benchmark]: Toolchain (without parser) took 25548.92ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 146.3MB in the beginning and 144.5MB in the end (delta: 1.7MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2023-11-06 22:02:24,384 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 115.3MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:02:24,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.38ms. Allocated memory is still 178.3MB. Free memory was 146.3MB in the beginning and 135.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:02:24,385 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.31ms. Allocated memory is still 178.3MB. Free memory was 135.1MB in the beginning and 133.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:02:24,386 INFO L158 Benchmark]: Boogie Preprocessor took 28.20ms. Allocated memory is still 178.3MB. Free memory was 133.8MB in the beginning and 132.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:02:24,386 INFO L158 Benchmark]: RCFGBuilder took 545.88ms. Allocated memory is still 178.3MB. Free memory was 132.5MB in the beginning and 142.6MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:02:24,386 INFO L158 Benchmark]: BuchiAutomizer took 24650.15ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 142.6MB in the beginning and 144.5MB in the end (delta: -1.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-06 22:02:24,387 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 213.9MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:02:24,389 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 115.3MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.38ms. Allocated memory is still 178.3MB. Free memory was 146.3MB in the beginning and 135.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.31ms. Allocated memory is still 178.3MB. Free memory was 135.1MB in the beginning and 133.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.20ms. Allocated memory is still 178.3MB. Free memory was 133.8MB in the beginning and 132.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 545.88ms. Allocated memory is still 178.3MB. Free memory was 132.5MB in the beginning and 142.6MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 24650.15ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 142.6MB in the beginning and 144.5MB in the end (delta: -1.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 213.9MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~#in~0!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (4 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function NULL and consists of 5 locations. One deterministic module has affine ranking function (19 + (-2 * idx_in)) and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 24.5s and 7 iterations. TraceHistogramMax:11. Analysis of lassos took 23.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 8 StatesRemovedByMinimization, 4 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 22 mSDtfsCounter, 108 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU4 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital198 mio100 ax100 hnf100 lsp106 ukn66 mio100 lsp36 div139 bol100 ite100 ukn100 eq158 hnf93 smp78 dnf197 smp75 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 68ms VariablesStem: 4 VariablesLoop: 10 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! [2023-11-06 22:02:24,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:24,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2023-11-06 22:02:24,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2023-11-06 22:02:25,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2023-11-06 22:02:25,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbc01bc-8f58-415f-b477-73e9f3a997ad/bin/uautomizer-verify-WvqO1wxjHP/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