./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71679b2a85162a2bf4315b62ab1893b5cfd06e20fc9e264973bd31bc9d08e300 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:30:03,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:30:04,012 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:30:04,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:30:04,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:30:04,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:30:04,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:30:04,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:30:04,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:30:04,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:30:04,048 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:30:04,049 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:30:04,049 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:30:04,050 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:30:04,050 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:30:04,051 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:30:04,051 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:30:04,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:30:04,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:30:04,053 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:30:04,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:30:04,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:30:04,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:30:04,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:30:04,055 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:30:04,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:30:04,056 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:30:04,057 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:30:04,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:30:04,057 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:30:04,058 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:30:04,058 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:30:04,059 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:30:04,059 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:30:04,059 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:30:04,060 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:30:04,060 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_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71679b2a85162a2bf4315b62ab1893b5cfd06e20fc9e264973bd31bc9d08e300 [2023-11-12 02:30:04,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:30:04,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:30:04,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:30:04,394 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:30:04,395 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:30:04,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i [2023-11-12 02:30:07,457 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:30:07,808 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:30:07,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i [2023-11-12 02:30:07,827 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/data/2e279dab6/a1230ef0435848f0b425c92b260d7249/FLAG9757535d1 [2023-11-12 02:30:07,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/data/2e279dab6/a1230ef0435848f0b425c92b260d7249 [2023-11-12 02:30:07,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:30:07,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:30:07,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:07,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:30:07,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:30:07,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:07" (1/1) ... [2023-11-12 02:30:07,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4447c3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:07, skipping insertion in model container [2023-11-12 02:30:07,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:07" (1/1) ... [2023-11-12 02:30:07,925 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:30:08,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:08,240 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:30:08,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:08,312 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:30:08,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08 WrapperNode [2023-11-12 02:30:08,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:08,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:08,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:30:08,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:30:08,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,357 INFO L138 Inliner]: procedures = 117, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2023-11-12 02:30:08,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:08,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:30:08,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:30:08,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:30:08,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:30:08,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:30:08,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:30:08,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:30:08,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:08,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:08,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:08,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:30:08,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:30:08,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:30:08,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:30:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:30:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:30:08,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:30:08,584 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:30:08,585 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:30:08,748 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:30:08,762 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:30:08,762 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:30:08,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:08 BoogieIcfgContainer [2023-11-12 02:30:08,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:30:08,765 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:30:08,765 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:30:08,769 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:30:08,770 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:30:08,770 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:30:07" (1/3) ... [2023-11-12 02:30:08,771 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b6b4fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:30:08, skipping insertion in model container [2023-11-12 02:30:08,771 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:30:08,771 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (2/3) ... [2023-11-12 02:30:08,771 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b6b4fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:30:08, skipping insertion in model container [2023-11-12 02:30:08,790 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:30:08,790 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:08" (3/3) ... [2023-11-12 02:30:08,792 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrchr-alloca-2.i [2023-11-12 02:30:08,865 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:30:08,865 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:30:08,866 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:30:08,866 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:30:08,866 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:30:08,866 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:30:08,866 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:30:08,866 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:30:08,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:30:08,900 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-12 02:30:08,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:30:08,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:30:08,907 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-12 02:30:08,907 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:30:08,910 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:30:08,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:30:08,914 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-12 02:30:08,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:30:08,914 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:30:08,915 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-12 02:30:08,915 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:30:08,925 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~nondet11#1, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length~0#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet7#1;main_~length~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 14#L522true assume !(main_~length~0#1 < 1); 9#L522-2true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 6#L527-3true [2023-11-12 02:30:08,936 INFO L750 eck$LassoCheckResult]: Loop: 6#L527-3true assume !!(main_~i~0#1 < main_~length~0#1 - 1);havoc main_#t~nondet10#1;call write~int(main_#t~nondet10#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 11#L527-2true main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6#L527-3true [2023-11-12 02:30:08,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:08,946 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2023-11-12 02:30:08,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:08,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400640050] [2023-11-12 02:30:08,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:08,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:09,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:09,081 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:09,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:09,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2023-11-12 02:30:09,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:09,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864928476] [2023-11-12 02:30:09,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:09,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:09,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:09,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:09,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:09,112 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2023-11-12 02:30:09,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:09,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841463306] [2023-11-12 02:30:09,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:09,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:09,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:09,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:09,482 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:30:09,483 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:30:09,483 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:30:09,483 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:30:09,484 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:30:09,484 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:09,484 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:30:09,484 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:30:09,484 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrchr-alloca-2.i_Iteration1_Lasso [2023-11-12 02:30:09,485 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:30:09,485 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:30:09,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:09,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:09,526 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:09,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:09,534 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:09,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:09,541 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:09,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:09,547 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:09,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:09,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:09,556 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:10,142 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:30:10,147 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:30:10,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:10,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:10,156 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:10,173 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 [2023-11-12 02:30:10,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-12 02:30:10,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:10,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:10,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:10,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:10,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:10,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:10,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:10,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:10,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:10,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:10,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:10,211 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:10,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:30:10,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-12 02:30:10,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:10,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:10,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:10,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:10,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:10,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:10,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:10,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:10,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:10,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:10,262 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:10,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-12 02:30:10,267 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 [2023-11-12 02:30:10,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:10,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:10,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:10,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:10,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:10,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:10,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:10,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:10,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:10,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:10,319 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:10,329 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 [2023-11-12 02:30:10,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:10,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:10,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:10,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:10,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:10,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:10,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:10,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-12 02:30:10,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:10,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:10,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:10,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:10,367 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:10,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:30:10,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-12 02:30:10,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:10,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:10,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:10,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:10,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:10,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:10,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:10,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:10,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:10,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:10,414 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:10,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-12 02:30:10,418 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 [2023-11-12 02:30:10,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:10,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:10,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:10,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:10,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:10,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:10,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:10,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:10,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:10,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:10,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:10,454 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:10,465 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 [2023-11-12 02:30:10,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-12 02:30:10,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:10,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:10,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:10,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:10,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:10,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:10,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:10,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:10,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:10,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:10,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:10,497 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:10,509 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 [2023-11-12 02:30:10,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-12 02:30:10,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:10,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:10,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:10,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:10,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:10,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:10,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:10,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:10,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:10,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:10,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:10,558 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:10,569 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 [2023-11-12 02:30:10,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:10,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:10,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:10,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:10,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:10,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:10,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:10,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-12 02:30:10,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:10,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:10,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:10,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:10,606 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:10,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-12 02:30:10,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:30:10,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:10,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:10,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:10,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:10,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:10,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:10,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:10,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:10,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:10,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:10,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:10,642 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:10,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-12 02:30:10,649 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 [2023-11-12 02:30:10,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:10,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:10,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:10,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:10,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:10,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:10,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:10,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:10,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:10,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:10,705 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:10,718 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 [2023-11-12 02:30:10,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:10,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:10,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:10,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:10,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:10,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:10,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:10,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-12 02:30:10,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:10,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:10,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:10,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:10,758 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:10,769 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 [2023-11-12 02:30:10,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:10,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:10,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:10,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:10,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:10,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:10,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-12 02:30:10,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:10,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:10,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:10,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:10,810 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:10,814 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 [2023-11-12 02:30:10,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:10,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:10,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:10,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:10,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:10,830 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:10,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-12 02:30:10,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:10,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:10,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:10,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:10,846 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:10,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-12 02:30:10,857 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 [2023-11-12 02:30:10,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:10,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:10,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:10,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:10,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:10,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:10,896 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:30:10,971 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2023-11-12 02:30:10,971 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-12 02:30:10,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:10,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,011 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,013 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:30:11,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-12 02:30:11,031 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-12 02:30:11,031 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:30:11,032 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~nondetString~0#1.offset >= 0] [2023-11-12 02:30:11,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:11,058 INFO L156 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2023-11-12 02:30:11,072 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc8!base] could not be translated [2023-11-12 02:30:11,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:11,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:30:11,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:11,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 02:30:11,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:30:11,229 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 [2023-11-12 02:30:11,231 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-12 02:30:11,311 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 38 transitions. Complement of second has 8 states. [2023-11-12 02:30:11,313 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 [2023-11-12 02:30:11,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-12 02:30:11,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2023-11-12 02:30:11,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-12 02:30:11,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:11,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-12 02:30:11,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:11,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 4 letters. [2023-11-12 02:30:11,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:11,321 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 38 transitions. [2023-11-12 02:30:11,324 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:30:11,327 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 11 states and 15 transitions. [2023-11-12 02:30:11,328 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-12 02:30:11,328 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-12 02:30:11,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2023-11-12 02:30:11,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:30:11,329 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 15 transitions. [2023-11-12 02:30:11,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2023-11-12 02:30:11,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-11-12 02:30:11,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:30:11,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2023-11-12 02:30:11,354 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 15 transitions. [2023-11-12 02:30:11,354 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2023-11-12 02:30:11,354 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:30:11,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2023-11-12 02:30:11,355 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:30:11,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:30:11,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:30:11,356 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:30:11,356 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:30:11,356 INFO L748 eck$LassoCheckResult]: Stem: 115#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 116#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~nondet11#1, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length~0#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet7#1;main_~length~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 118#L522 assume !(main_~length~0#1 < 1); 111#L522-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 112#L527-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 117#L527-4 havoc main_~i~0#1;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);havoc main_#t~nondet11#1;assume { :begin_inline_cstrchr } true;cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset, cstrchr_#in~c#1 := main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_#t~nondet11#1;havoc cstrchr_#res#1.base, cstrchr_#res#1.offset;havoc cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset, cstrchr_#t~mem2#1, cstrchr_#t~mem3#1, cstrchr_#t~short4#1, cstrchr_#t~mem6#1, cstrchr_~s#1.base, cstrchr_~s#1.offset, cstrchr_~c#1;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset;cstrchr_~c#1 := cstrchr_#in~c#1; 110#L516-5 [2023-11-12 02:30:11,357 INFO L750 eck$LassoCheckResult]: Loop: 110#L516-5 call cstrchr_#t~mem2#1 := read~int(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short4#1 := 0 != cstrchr_#t~mem2#1; 108#L516-1 assume !cstrchr_#t~short4#1; 109#L516-3 assume !!cstrchr_#t~short4#1;havoc cstrchr_#t~mem2#1;havoc cstrchr_#t~mem3#1;havoc cstrchr_#t~short4#1;cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset := cstrchr_~s#1.base, cstrchr_~s#1.offset;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#t~post5#1.base, 1 + cstrchr_#t~post5#1.offset;havoc cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset; 110#L516-5 [2023-11-12 02:30:11,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:11,357 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2023-11-12 02:30:11,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:11,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070917890] [2023-11-12 02:30:11,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:11,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:11,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:11,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:11,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:11,389 INFO L85 PathProgramCache]: Analyzing trace with hash 57761, now seen corresponding path program 1 times [2023-11-12 02:30:11,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:11,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005211643] [2023-11-12 02:30:11,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:11,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:30:11,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:11,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005211643] [2023-11-12 02:30:11,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005211643] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:11,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:11,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:30:11,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772610402] [2023-11-12 02:30:11,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:11,432 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:30:11,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:11,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:30:11,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:30:11,436 INFO L87 Difference]: Start difference. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:30:11,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:11,447 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2023-11-12 02:30:11,447 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2023-11-12 02:30:11,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:30:11,449 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 14 transitions. [2023-11-12 02:30:11,449 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-12 02:30:11,449 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-12 02:30:11,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2023-11-12 02:30:11,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:30:11,449 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-12 02:30:11,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2023-11-12 02:30:11,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-11-12 02:30:11,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 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) [2023-11-12 02:30:11,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2023-11-12 02:30:11,451 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-12 02:30:11,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:30:11,453 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-12 02:30:11,453 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-12 02:30:11,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2023-11-12 02:30:11,453 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:30:11,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:30:11,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:30:11,454 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:30:11,454 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:30:11,455 INFO L748 eck$LassoCheckResult]: Stem: 144#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 145#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~nondet11#1, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length~0#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet7#1;main_~length~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 147#L522 assume !(main_~length~0#1 < 1); 140#L522-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 141#L527-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 146#L527-4 havoc main_~i~0#1;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);havoc main_#t~nondet11#1;assume { :begin_inline_cstrchr } true;cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset, cstrchr_#in~c#1 := main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_#t~nondet11#1;havoc cstrchr_#res#1.base, cstrchr_#res#1.offset;havoc cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset, cstrchr_#t~mem2#1, cstrchr_#t~mem3#1, cstrchr_#t~short4#1, cstrchr_#t~mem6#1, cstrchr_~s#1.base, cstrchr_~s#1.offset, cstrchr_~c#1;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset;cstrchr_~c#1 := cstrchr_#in~c#1; 137#L516-5 [2023-11-12 02:30:11,455 INFO L750 eck$LassoCheckResult]: Loop: 137#L516-5 call cstrchr_#t~mem2#1 := read~int(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short4#1 := 0 != cstrchr_#t~mem2#1; 138#L516-1 assume cstrchr_#t~short4#1;call cstrchr_#t~mem3#1 := read~int(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short4#1 := cstrchr_#t~mem3#1 != (if cstrchr_~c#1 % 256 <= 127 then cstrchr_~c#1 % 256 else cstrchr_~c#1 % 256 - 256); 139#L516-3 assume !!cstrchr_#t~short4#1;havoc cstrchr_#t~mem2#1;havoc cstrchr_#t~mem3#1;havoc cstrchr_#t~short4#1;cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset := cstrchr_~s#1.base, cstrchr_~s#1.offset;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#t~post5#1.base, 1 + cstrchr_#t~post5#1.offset;havoc cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset; 137#L516-5 [2023-11-12 02:30:11,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:11,455 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 2 times [2023-11-12 02:30:11,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:11,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505151871] [2023-11-12 02:30:11,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:11,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:11,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:11,501 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:11,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:11,504 INFO L85 PathProgramCache]: Analyzing trace with hash 57699, now seen corresponding path program 1 times [2023-11-12 02:30:11,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:11,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866769114] [2023-11-12 02:30:11,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:11,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:11,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:11,535 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:11,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:11,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1183926615, now seen corresponding path program 1 times [2023-11-12 02:30:11,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:11,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279266908] [2023-11-12 02:30:11,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:11,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:11,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:30:11,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:11,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279266908] [2023-11-12 02:30:11,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279266908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:11,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:11,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:30:11,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629603994] [2023-11-12 02:30:11,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:12,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:12,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:30:12,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:30:12,023 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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) [2023-11-12 02:30:12,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:12,091 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2023-11-12 02:30:12,091 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2023-11-12 02:30:12,094 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:30:12,096 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 12 states and 14 transitions. [2023-11-12 02:30:12,096 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-12 02:30:12,097 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-12 02:30:12,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 14 transitions. [2023-11-12 02:30:12,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:30:12,098 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 14 transitions. [2023-11-12 02:30:12,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 14 transitions. [2023-11-12 02:30:12,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-11-12 02:30:12,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 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) [2023-11-12 02:30:12,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2023-11-12 02:30:12,101 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2023-11-12 02:30:12,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:30:12,103 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2023-11-12 02:30:12,103 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-12 02:30:12,103 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. [2023-11-12 02:30:12,104 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:30:12,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:30:12,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:30:12,105 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:12,105 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:30:12,105 INFO L748 eck$LassoCheckResult]: Stem: 186#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 187#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~nondet11#1, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length~0#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet7#1;main_~length~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 189#L522 assume !(main_~length~0#1 < 1); 182#L522-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 183#L527-3 assume !!(main_~i~0#1 < main_~length~0#1 - 1);havoc main_#t~nondet10#1;call write~int(main_#t~nondet10#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 184#L527-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 185#L527-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 188#L527-4 havoc main_~i~0#1;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);havoc main_#t~nondet11#1;assume { :begin_inline_cstrchr } true;cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset, cstrchr_#in~c#1 := main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_#t~nondet11#1;havoc cstrchr_#res#1.base, cstrchr_#res#1.offset;havoc cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset, cstrchr_#t~mem2#1, cstrchr_#t~mem3#1, cstrchr_#t~short4#1, cstrchr_#t~mem6#1, cstrchr_~s#1.base, cstrchr_~s#1.offset, cstrchr_~c#1;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset;cstrchr_~c#1 := cstrchr_#in~c#1; 179#L516-5 [2023-11-12 02:30:12,105 INFO L750 eck$LassoCheckResult]: Loop: 179#L516-5 call cstrchr_#t~mem2#1 := read~int(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short4#1 := 0 != cstrchr_#t~mem2#1; 180#L516-1 assume cstrchr_#t~short4#1;call cstrchr_#t~mem3#1 := read~int(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short4#1 := cstrchr_#t~mem3#1 != (if cstrchr_~c#1 % 256 <= 127 then cstrchr_~c#1 % 256 else cstrchr_~c#1 % 256 - 256); 181#L516-3 assume !!cstrchr_#t~short4#1;havoc cstrchr_#t~mem2#1;havoc cstrchr_#t~mem3#1;havoc cstrchr_#t~short4#1;cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset := cstrchr_~s#1.base, cstrchr_~s#1.offset;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#t~post5#1.base, 1 + cstrchr_#t~post5#1.offset;havoc cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset; 179#L516-5 [2023-11-12 02:30:12,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:12,106 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2023-11-12 02:30:12,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:12,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285083645] [2023-11-12 02:30:12,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:12,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:12,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:12,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:12,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:12,160 INFO L85 PathProgramCache]: Analyzing trace with hash 57699, now seen corresponding path program 2 times [2023-11-12 02:30:12,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:12,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293855638] [2023-11-12 02:30:12,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:12,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:12,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:12,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:12,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:12,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1235380661, now seen corresponding path program 1 times [2023-11-12 02:30:12,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:12,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422673101] [2023-11-12 02:30:12,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:12,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:12,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:12,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:12,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-12 02:30:12,738 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:30:12,739 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:30:12,739 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:30:12,739 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:30:12,739 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:30:12,739 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:12,739 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:30:12,739 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:30:12,740 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrchr-alloca-2.i_Iteration4_Lasso [2023-11-12 02:30:12,740 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:30:12,740 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:30:12,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:12,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:12,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:12,760 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:12,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:12,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:12,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:12,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:12,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:12,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:12,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:12,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:12,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:12,784 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:12,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:13,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:13,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:13,102 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:13,106 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:13,110 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:13,691 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:30:13,691 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:30:13,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:13,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:13,695 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:13,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:30:13,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:13,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:13,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:13,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:13,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:13,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:13,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:13,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:13,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-12 02:30:13,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:13,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:13,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-12 02:30:13,745 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:13,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:30:13,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:13,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:13,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:13,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:13,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-12 02:30:13,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:13,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:13,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:13,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:13,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:13,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:13,788 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:13,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-12 02:30:13,797 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 [2023-11-12 02:30:13,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:13,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:13,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:13,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:13,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:13,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:13,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:13,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:13,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:13,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:13,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:13,842 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:13,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-12 02:30:13,854 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 [2023-11-12 02:30:13,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:13,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:13,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:13,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:13,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:13,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:13,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:13,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:13,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:13,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:13,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:13,882 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:13,889 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 [2023-11-12 02:30:13,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-12 02:30:13,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:13,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:13,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:13,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:13,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:13,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:13,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:13,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:13,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:13,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:13,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:13,930 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:13,934 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 [2023-11-12 02:30:13,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:13,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:13,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:13,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:13,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:13,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:13,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:13,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-12 02:30:13,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:13,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:13,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:13,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:13,986 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:13,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-12 02:30:13,989 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 [2023-11-12 02:30:14,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:14,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:14,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:14,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:14,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,018 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,025 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 [2023-11-12 02:30:14,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-12 02:30:14,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:14,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:14,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:14,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,062 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,066 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 [2023-11-12 02:30:14,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:14,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:14,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:14,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-12 02:30:14,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:14,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,096 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,106 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 [2023-11-12 02:30:14,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:14,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-12 02:30:14,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:14,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:14,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:14,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,138 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,142 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 [2023-11-12 02:30:14,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-12 02:30:14,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:14,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:14,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:14,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:14,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,182 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:30:14,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:14,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:14,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:14,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-12 02:30:14,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-12 02:30:14,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,213 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-12 02:30:14,218 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 [2023-11-12 02:30:14,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:14,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:14,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:14,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-12 02:30:14,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,235 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-12 02:30:14,240 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 [2023-11-12 02:30:14,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:14,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:14,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:14,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:14,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,266 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,273 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 [2023-11-12 02:30:14,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-12 02:30:14,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:14,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:14,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:14,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,322 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-12 02:30:14,330 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 [2023-11-12 02:30:14,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,343 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2023-11-12 02:30:14,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,416 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2023-11-12 02:30:14,416 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2023-11-12 02:30:14,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:14,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,614 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,618 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 [2023-11-12 02:30:14,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:14,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:14,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-12 02:30:14,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:14,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,655 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,661 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 [2023-11-12 02:30:14,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-12 02:30:14,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:14,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:14,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:14,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,707 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,712 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 [2023-11-12 02:30:14,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-12 02:30:14,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:14,731 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:14,745 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:30:14,779 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2023-11-12 02:30:14,779 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-12 02:30:14,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,781 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,784 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:30:14,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-12 02:30:14,813 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:30:14,814 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:30:14,814 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_2, ULTIMATE.start_cstrchr_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_2 - 1*ULTIMATE.start_cstrchr_~s#1.offset Supporting invariants [] [2023-11-12 02:30:14,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:14,841 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2023-11-12 02:30:14,844 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 02:30:14,844 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc8!base] could not be translated [2023-11-12 02:30:14,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:14,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:30:14,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:14,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:30:14,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:14,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:30:14,965 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-12 02:30:14,965 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:30:15,015 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 17 transitions. Complement of second has 5 states. [2023-11-12 02:30:15,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-12 02:30:15,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:30:15,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2023-11-12 02:30:15,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 3 letters. [2023-11-12 02:30:15,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:15,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 11 letters. Loop has 3 letters. [2023-11-12 02:30:15,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:15,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 6 letters. [2023-11-12 02:30:15,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:15,018 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2023-11-12 02:30:15,018 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:30:15,019 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2023-11-12 02:30:15,019 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-12 02:30:15,019 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-12 02:30:15,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-12 02:30:15,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:30:15,019 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:30:15,019 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:30:15,019 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:30:15,019 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-12 02:30:15,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:30:15,020 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:30:15,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-12 02:30:15,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:30:15 BoogieIcfgContainer [2023-11-12 02:30:15,028 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:30:15,028 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:30:15,028 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:30:15,029 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:30:15,029 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:08" (3/4) ... [2023-11-12 02:30:15,031 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:30:15,032 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:30:15,033 INFO L158 Benchmark]: Toolchain (without parser) took 7174.04ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 78.3MB in the beginning and 69.1MB in the end (delta: 9.2MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2023-11-12 02:30:15,033 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 123.7MB. Free memory was 94.9MB in the beginning and 94.8MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:30:15,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.58ms. Allocated memory is still 123.7MB. Free memory was 77.8MB in the beginning and 61.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:30:15,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.61ms. Allocated memory is still 123.7MB. Free memory was 61.9MB in the beginning and 60.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:30:15,034 INFO L158 Benchmark]: Boogie Preprocessor took 29.02ms. Allocated memory is still 123.7MB. Free memory was 60.1MB in the beginning and 58.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:30:15,035 INFO L158 Benchmark]: RCFGBuilder took 376.13ms. Allocated memory is still 123.7MB. Free memory was 58.5MB in the beginning and 47.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:30:15,035 INFO L158 Benchmark]: BuchiAutomizer took 6262.59ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 47.7MB in the beginning and 70.1MB in the end (delta: -22.5MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2023-11-12 02:30:15,036 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 188.7MB. Free memory was 70.1MB in the beginning and 69.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:30:15,038 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 123.7MB. Free memory was 94.9MB in the beginning and 94.8MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.58ms. Allocated memory is still 123.7MB. Free memory was 77.8MB in the beginning and 61.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.61ms. Allocated memory is still 123.7MB. Free memory was 61.9MB in the beginning and 60.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.02ms. Allocated memory is still 123.7MB. Free memory was 60.1MB in the beginning and 58.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 376.13ms. Allocated memory is still 123.7MB. Free memory was 58.5MB in the beginning and 47.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 6262.59ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 47.7MB in the beginning and 70.1MB in the end (delta: -22.5MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 188.7MB. Free memory was 70.1MB in the beginning and 69.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc8!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc8!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 4 terminating modules (2 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 NULL and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.1s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 5.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 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, 30 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 55 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 31 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital125 mio100 ax115 hnf100 lsp84 ukn85 mio100 lsp44 div176 bol100 ite100 ukn100 eq155 hnf94 smp70 dnf434 smp64 tf100 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 280ms VariablesStem: 5 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 96 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! [2023-11-12 02:30:15,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-12 02:30:15,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48156b37-d57c-4b6c-91ef-c1cd342600c0/bin/uautomizer-verify-uTZkv6EMXl/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