./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/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_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/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 64bit --witnessprinter.graph.data.programhash 8ef6a70edb4426b11650a0154f4234f5ac775ab47d29a5a4fff3db3968295222 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:11:10,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:11:10,126 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-12 02:11:10,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:11:10,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:11:10,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:11:10,179 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:11:10,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:11:10,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:11:10,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:11:10,211 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:11:10,211 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:11:10,211 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:11:10,212 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:11:10,212 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:11:10,213 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:11:10,213 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:11:10,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:11:10,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:11:10,214 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:11:10,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:11:10,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:11:10,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:11:10,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:11:10,219 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:11:10,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:11:10,220 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:11:10,220 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:11:10,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:11:10,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:11:10,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:11:10,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:11:10,223 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:11:10,223 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_a569c83a-d1e2-4bb8-8758-574ae800f5cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ef6a70edb4426b11650a0154f4234f5ac775ab47d29a5a4fff3db3968295222 [2023-11-12 02:11:10,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:11:10,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:11:10,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:11:10,569 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:11:10,570 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:11:10,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i [2023-11-12 02:11:13,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:11:13,881 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:11:13,882 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i [2023-11-12 02:11:13,899 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/data/cd00c70f8/3b2902ce5b2145b68f58d5ba29b79917/FLAG31cf85c42 [2023-11-12 02:11:13,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/data/cd00c70f8/3b2902ce5b2145b68f58d5ba29b79917 [2023-11-12 02:11:13,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:11:13,919 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:11:13,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:11:13,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:11:13,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:11:13,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:11:13" (1/1) ... [2023-11-12 02:11:13,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76929114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:13, skipping insertion in model container [2023-11-12 02:11:13,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:11:13" (1/1) ... [2023-11-12 02:11:14,024 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:11:14,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:11:14,394 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:11:14,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:11:14,497 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:11:14,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:14 WrapperNode [2023-11-12 02:11:14,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:11:14,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:11:14,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:11:14,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:11:14,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:14" (1/1) ... [2023-11-12 02:11:14,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:14" (1/1) ... [2023-11-12 02:11:14,560 INFO L138 Inliner]: procedures = 111, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-12 02:11:14,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:11:14,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:11:14,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:11:14,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:11:14,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:14" (1/1) ... [2023-11-12 02:11:14,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:14" (1/1) ... [2023-11-12 02:11:14,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:14" (1/1) ... [2023-11-12 02:11:14,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:14" (1/1) ... [2023-11-12 02:11:14,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:14" (1/1) ... [2023-11-12 02:11:14,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:14" (1/1) ... [2023-11-12 02:11:14,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:14" (1/1) ... [2023-11-12 02:11:14,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:14" (1/1) ... [2023-11-12 02:11:14,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:11:14,622 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:11:14,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:11:14,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:11:14,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:14" (1/1) ... [2023-11-12 02:11:14,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:14,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:14,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:14,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:11:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:11:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:11:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:11:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:11:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:11:14,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:11:14,816 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:11:14,818 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:11:15,190 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:11:15,197 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:11:15,197 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:11:15,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:15 BoogieIcfgContainer [2023-11-12 02:11:15,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:11:15,201 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:11:15,201 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:11:15,205 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:11:15,206 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:11:15,207 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:11:13" (1/3) ... [2023-11-12 02:11:15,208 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32d480fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:11:15, skipping insertion in model container [2023-11-12 02:11:15,208 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:11:15,208 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:14" (2/3) ... [2023-11-12 02:11:15,209 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32d480fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:11:15, skipping insertion in model container [2023-11-12 02:11:15,209 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:11:15,209 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:15" (3/3) ... [2023-11-12 02:11:15,211 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.11-alloca.i [2023-11-12 02:11:15,267 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:11:15,268 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:11:15,268 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:11:15,268 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:11:15,268 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:11:15,268 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:11:15,269 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:11:15,269 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:11:15,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:11:15,293 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2023-11-12 02:11:15,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:11:15,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:11:15,305 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:11:15,306 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:15,307 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:11:15,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:11:15,310 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2023-11-12 02:11:15,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:11:15,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:11:15,311 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:11:15,312 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:15,321 INFO L748 eck$LassoCheckResult]: Stem: 15#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet25#1, main_#t~nondet26#1, main_#t~ret27#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet25#1, main_#t~nondet26#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem17#1, test_fun_#t~mem18#1, test_fun_#t~mem19#1, test_fun_#t~mem20#1, test_fun_#t~mem21#1, test_fun_#t~mem22#1, test_fun_#t~mem23#1, test_fun_#t~mem5#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~short8#1, test_fun_#t~mem9#1, test_fun_#t~mem11#1, test_fun_#t~mem10#1, test_fun_#t~short12#1, test_fun_#t~short13#1, test_fun_#t~mem14#1, test_fun_#t~mem15#1, test_fun_#t~short16#1, test_fun_#t~mem24#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 16#L559-2true [2023-11-12 02:11:15,321 INFO L750 eck$LassoCheckResult]: Loop: 16#L559-2true call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 >= 0; 17#L555-1true assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 2147483647 - test_fun_#t~mem6#1; 3#L555-3true test_fun_#t~short13#1 := test_fun_#t~short8#1; 5#L555-4true assume test_fun_#t~short13#1; 9#L555-9true test_fun_#t~short16#1 := test_fun_#t~short13#1; 10#L555-10true assume !test_fun_#t~short16#1; 14#L555-12true assume !!test_fun_#t~short16#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short12#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~mem14#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~short16#1;call test_fun_#t~mem17#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem18#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 4#L556true assume test_fun_#t~mem17#1 > test_fun_#t~mem18#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem18#1;call test_fun_#t~mem19#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem19#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem19#1; 16#L559-2true [2023-11-12 02:11:15,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:15,328 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-12 02:11:15,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:15,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133957545] [2023-11-12 02:11:15,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:15,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:15,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:15,548 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:15,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:15,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1790206705, now seen corresponding path program 1 times [2023-11-12 02:11:15,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:15,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4127906] [2023-11-12 02:11:15,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:15,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:15,673 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 02:11:15,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:15,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4127906] [2023-11-12 02:11:15,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4127906] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:15,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:15,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:11:15,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953529767] [2023-11-12 02:11:15,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:15,680 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:11:15,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:15,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:11:15,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:11:15,737 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:11:15,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:15,816 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2023-11-12 02:11:15,818 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2023-11-12 02:11:15,822 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2023-11-12 02:11:15,827 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 22 transitions. [2023-11-12 02:11:15,828 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-12 02:11:15,829 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-11-12 02:11:15,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2023-11-12 02:11:15,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:11:15,831 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2023-11-12 02:11:15,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2023-11-12 02:11:15,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-11-12 02:11:15,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:11:15,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2023-11-12 02:11:15,861 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2023-11-12 02:11:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:11:15,867 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2023-11-12 02:11:15,868 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:11:15,868 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2023-11-12 02:11:15,869 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2023-11-12 02:11:15,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:11:15,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:11:15,871 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:11:15,871 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:15,872 INFO L748 eck$LassoCheckResult]: Stem: 64#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 58#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet25#1, main_#t~nondet26#1, main_#t~ret27#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet25#1, main_#t~nondet26#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem17#1, test_fun_#t~mem18#1, test_fun_#t~mem19#1, test_fun_#t~mem20#1, test_fun_#t~mem21#1, test_fun_#t~mem22#1, test_fun_#t~mem23#1, test_fun_#t~mem5#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~short8#1, test_fun_#t~mem9#1, test_fun_#t~mem11#1, test_fun_#t~mem10#1, test_fun_#t~short12#1, test_fun_#t~short13#1, test_fun_#t~mem14#1, test_fun_#t~mem15#1, test_fun_#t~short16#1, test_fun_#t~mem24#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 54#L559-2 [2023-11-12 02:11:15,872 INFO L750 eck$LassoCheckResult]: Loop: 54#L559-2 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 >= 0; 65#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 2147483647 - test_fun_#t~mem6#1; 51#L555-3 test_fun_#t~short13#1 := test_fun_#t~short8#1; 52#L555-4 assume test_fun_#t~short13#1; 56#L555-9 test_fun_#t~short16#1 := test_fun_#t~short13#1; 61#L555-10 assume test_fun_#t~short16#1;call test_fun_#t~mem14#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short16#1 := test_fun_#t~mem14#1 + test_fun_#t~mem15#1 > 0; 62#L555-12 assume !!test_fun_#t~short16#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short12#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~mem14#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~short16#1;call test_fun_#t~mem17#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem18#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 53#L556 assume test_fun_#t~mem17#1 > test_fun_#t~mem18#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem18#1;call test_fun_#t~mem19#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem19#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem19#1; 54#L559-2 [2023-11-12 02:11:15,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:15,873 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2023-11-12 02:11:15,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:15,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330918389] [2023-11-12 02:11:15,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:15,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:15,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:15,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:15,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:15,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1790208627, now seen corresponding path program 1 times [2023-11-12 02:11:15,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:15,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584950860] [2023-11-12 02:11:15,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:15,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:15,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:15,999 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:16,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:16,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1099647153, now seen corresponding path program 1 times [2023-11-12 02:11:16,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:16,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663110656] [2023-11-12 02:11:16,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:16,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:16,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:16,092 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:17,277 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:11:17,278 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:11:17,278 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:11:17,278 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:11:17,278 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:11:17,279 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:17,279 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:11:17,279 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:11:17,279 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.11-alloca.i_Iteration2_Lasso [2023-11-12 02:11:17,280 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:11:17,280 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:11:17,308 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 02:11:17,317 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 02:11:17,320 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 02:11:17,323 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:17,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:17,328 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 02:11:17,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:17,335 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 02:11:17,340 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 02:11:17,343 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 02:11:17,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:17,351 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 02:11:17,355 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 02:11:17,357 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 02:11:17,361 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 02:11:17,365 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 02:11:17,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:17,375 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 02:11:17,378 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 02:11:18,228 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 02:11:18,232 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 02:11:18,235 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 02:11:18,239 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 02:11:18,242 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 02:11:18,244 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 02:11:18,251 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 02:11:18,253 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 02:11:18,256 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 02:11:18,822 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:11:18,830 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:11:18,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:18,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:18,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:18,851 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 02:11:18,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-12 02:11:18,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:18,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:18,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:18,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:18,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:18,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:18,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:18,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:18,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:18,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:18,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:18,889 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:18,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-12 02:11:18,893 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 02:11:18,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:18,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:18,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:18,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:18,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:18,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:18,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:18,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:18,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:18,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:18,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:18,950 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:18,954 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 02:11:18,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:18,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:18,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:18,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:18,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:18,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:18,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:18,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-12 02:11:18,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,002 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,014 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 02:11:19,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:19,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:19,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:19,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-12 02:11:19,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,055 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-12 02:11:19,061 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 02:11:19,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:19,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:19,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:19,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,098 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-12 02:11:19,105 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 02:11:19,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:11:19,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:11:19,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,141 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-12 02:11:19,161 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 02:11:19,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:19,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:19,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:19,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,197 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-12 02:11:19,201 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 02:11:19,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:19,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:19,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:19,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,239 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,249 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 02:11:19,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:19,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:19,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:19,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-12 02:11:19,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,290 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-12 02:11:19,301 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 02:11:19,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:19,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:19,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:19,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,342 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-12 02:11:19,350 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 02:11:19,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:19,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:19,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:19,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,378 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,389 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 02:11:19,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:19,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-12 02:11:19,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:19,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:19,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,437 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,444 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 02:11:19,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:19,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:19,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:19,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-12 02:11:19,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,476 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-12 02:11:19,482 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 02:11:19,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:19,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:19,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:19,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,525 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:11:19,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-12 02:11:19,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:11:19,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:11:19,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,567 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-12 02:11:19,572 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 02:11:19,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:19,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:19,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:19,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,606 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,615 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 02:11:19,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-12 02:11:19,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:11:19,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:11:19,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,659 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-12 02:11:19,665 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 02:11:19,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:19,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:19,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:19,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,702 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-12 02:11:19,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:11:19,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:11:19,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:11:19,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,746 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,757 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 02:11:19,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-12 02:11:19,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:11:19,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:11:19,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,798 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,802 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 02:11:19,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-12 02:11:19,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:11:19,818 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:11:19,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,841 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-12 02:11:19,846 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 02:11:19,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:11:19,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:11:19,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-12 02:11:19,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,886 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,891 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 02:11:19,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-12 02:11:19,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:11:19,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:11:19,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:19,928 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:19,937 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 02:11:19,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-12 02:11:19,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:19,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:19,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:19,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:19,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:11:19,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:11:19,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:19,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:19,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:19,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:20,001 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:20,006 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 02:11:20,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:20,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:20,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:20,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:20,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-12 02:11:20,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:11:20,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:11:20,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:20,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:20,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:20,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:20,062 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:20,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-12 02:11:20,066 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 02:11:20,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:20,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:20,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:20,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:20,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:11:20,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:11:20,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:20,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:20,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:20,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:20,118 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:20,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:11:20,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:20,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:20,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:20,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:20,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-12 02:11:20,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:11:20,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:11:20,172 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:11:20,218 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-12 02:11:20,218 INFO L444 ModelExtractionUtils]: 9 out of 31 variables were initially zero. Simplification set additionally 20 variables to zero. [2023-11-12 02:11:20,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:20,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:20,259 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:20,261 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:11:20,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-12 02:11:20,290 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:11:20,290 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:11:20,291 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 Supporting invariants [] [2023-11-12 02:11:20,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:20,414 INFO L156 tatePredicateManager]: 26 out of 26 supporting invariants were superfluous and have been removed [2023-11-12 02:11:20,419 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated [2023-11-12 02:11:20,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:20,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:11:20,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:20,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-12 02:11:20,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:20,646 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 02:11:20,649 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-12 02:11:20,651 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:11:20,802 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 45 transitions. Complement of second has 8 states. [2023-11-12 02:11:20,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-12 02:11:20,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:11:20,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2023-11-12 02:11:20,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 8 letters. [2023-11-12 02:11:20,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:11:20,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 10 letters. Loop has 8 letters. [2023-11-12 02:11:20,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:11:20,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 16 letters. [2023-11-12 02:11:20,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:11:20,808 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 45 transitions. [2023-11-12 02:11:20,810 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2023-11-12 02:11:20,811 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 45 transitions. [2023-11-12 02:11:20,811 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-12 02:11:20,812 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-12 02:11:20,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 45 transitions. [2023-11-12 02:11:20,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:11:20,812 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 45 transitions. [2023-11-12 02:11:20,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 45 transitions. [2023-11-12 02:11:20,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2023-11-12 02:11:20,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 29 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:11:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 43 transitions. [2023-11-12 02:11:20,816 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 43 transitions. [2023-11-12 02:11:20,816 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 43 transitions. [2023-11-12 02:11:20,816 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-12 02:11:20,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 43 transitions. [2023-11-12 02:11:20,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2023-11-12 02:11:20,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:11:20,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:11:20,818 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-12 02:11:20,818 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:20,819 INFO L748 eck$LassoCheckResult]: Stem: 281#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 271#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet25#1, main_#t~nondet26#1, main_#t~ret27#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet25#1, main_#t~nondet26#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem17#1, test_fun_#t~mem18#1, test_fun_#t~mem19#1, test_fun_#t~mem20#1, test_fun_#t~mem21#1, test_fun_#t~mem22#1, test_fun_#t~mem23#1, test_fun_#t~mem5#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~short8#1, test_fun_#t~mem9#1, test_fun_#t~mem11#1, test_fun_#t~mem10#1, test_fun_#t~short12#1, test_fun_#t~short13#1, test_fun_#t~mem14#1, test_fun_#t~mem15#1, test_fun_#t~short16#1, test_fun_#t~mem24#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 272#L559-2 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 >= 0; 282#L555-1 [2023-11-12 02:11:20,819 INFO L750 eck$LassoCheckResult]: Loop: 282#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 2147483647 - test_fun_#t~mem6#1; 258#L555-3 test_fun_#t~short13#1 := test_fun_#t~short8#1; 259#L555-4 assume test_fun_#t~short13#1; 267#L555-9 test_fun_#t~short16#1 := test_fun_#t~short13#1; 273#L555-10 assume test_fun_#t~short16#1;call test_fun_#t~mem14#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short16#1 := test_fun_#t~mem14#1 + test_fun_#t~mem15#1 > 0; 275#L555-12 assume !!test_fun_#t~short16#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short12#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~mem14#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~short16#1;call test_fun_#t~mem17#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem18#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 262#L556 assume !(test_fun_#t~mem17#1 > test_fun_#t~mem18#1);havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem18#1;call test_fun_#t~mem20#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem21#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 263#L559 assume !(test_fun_#t~mem20#1 == test_fun_#t~mem21#1);havoc test_fun_#t~mem20#1;havoc test_fun_#t~mem21#1;call test_fun_#t~mem23#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem23#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1; 277#L559-2 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 >= 0; 282#L555-1 [2023-11-12 02:11:20,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:20,820 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-12 02:11:20,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:20,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085491387] [2023-11-12 02:11:20,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:20,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:20,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:20,866 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:20,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:20,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:20,912 INFO L85 PathProgramCache]: Analyzing trace with hash 572463690, now seen corresponding path program 1 times [2023-11-12 02:11:20,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:20,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881502479] [2023-11-12 02:11:20,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:20,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:20,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:20,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:20,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:20,964 INFO L85 PathProgramCache]: Analyzing trace with hash -198955769, now seen corresponding path program 1 times [2023-11-12 02:11:20,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:20,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656846985] [2023-11-12 02:11:20,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:20,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:21,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:21,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:22,448 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:11:22,449 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:11:22,449 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:11:22,449 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:11:22,449 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:11:22,449 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:22,449 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:11:22,449 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:11:22,449 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.11-alloca.i_Iteration3_Lasso [2023-11-12 02:11:22,449 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:11:22,450 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:11:22,456 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 02:11:22,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:22,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:22,467 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 02:11:22,470 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 02:11:22,472 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 02:11:22,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:23,176 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 02:11:23,181 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 02:11:23,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:23,186 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 02:11:23,189 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 02:11:23,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:23,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:23,197 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 02:11:23,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:23,206 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 02:11:23,210 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 02:11:23,214 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 02:11:23,216 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 02:11:23,218 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 02:11:23,223 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 02:11:23,226 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 02:11:23,228 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 02:11:23,232 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 02:11:23,238 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 02:11:23,242 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 02:11:23,244 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 02:11:23,246 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 02:11:24,443 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:11:24,443 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:11:24,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:24,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:24,444 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:24,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-12 02:11:24,452 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 02:11:24,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:24,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:24,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:24,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:24,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:24,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:24,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:24,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:24,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-12 02:11:24,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:24,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:24,469 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:24,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-12 02:11:24,471 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 02:11:24,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:24,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:24,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:24,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:24,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:24,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:24,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:24,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:24,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:24,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:24,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:24,487 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:24,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-12 02:11:24,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:11:24,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:24,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:24,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:24,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:24,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:24,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:24,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:24,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:24,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-12 02:11:24,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:24,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:24,518 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:24,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-12 02:11:24,528 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 02:11:24,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:24,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:24,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:24,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:24,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:24,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:24,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:24,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:24,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-12 02:11:24,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:24,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:24,544 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:24,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-12 02:11:24,547 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 02:11:24,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:24,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:24,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:24,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:24,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:24,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:24,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:24,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:24,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-12 02:11:24,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:24,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:24,563 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:24,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-12 02:11:24,566 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 02:11:24,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:24,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:24,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:24,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:24,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:24,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:24,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:24,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:24,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-12 02:11:24,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:24,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:24,584 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:24,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-12 02:11:24,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:11:24,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:24,599 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-12 02:11:24,599 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-12 02:11:24,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:24,641 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2023-11-12 02:11:24,642 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-12 02:11:24,736 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:11:24,827 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-12 02:11:24,827 INFO L444 ModelExtractionUtils]: 41 out of 66 variables were initially zero. Simplification set additionally 23 variables to zero. [2023-11-12 02:11:24,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:24,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:24,833 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:24,839 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:11:24,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-12 02:11:24,868 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2023-11-12 02:11:24,868 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:11:24,868 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) 0)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) 0)_2 Supporting invariants [] [2023-11-12 02:11:24,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:24,965 INFO L156 tatePredicateManager]: 18 out of 20 supporting invariants were superfluous and have been removed [2023-11-12 02:11:24,970 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y_ref~0!base][0] could not be translated [2023-11-12 02:11:24,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:25,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 02:11:25,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:25,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-12 02:11:25,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:25,336 INFO L322 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-11-12 02:11:25,337 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 36 [2023-11-12 02:11:25,389 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 02:11:25,390 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2023-11-12 02:11:25,391 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 43 transitions. cyclomatic complexity: 15 Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:11:25,614 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 43 transitions. cyclomatic complexity: 15. Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 64 states and 97 transitions. Complement of second has 11 states. [2023-11-12 02:11:25,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2023-11-12 02:11:25,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:11:25,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 23 transitions. [2023-11-12 02:11:25,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 3 letters. Loop has 9 letters. [2023-11-12 02:11:25,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:11:25,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 12 letters. Loop has 9 letters. [2023-11-12 02:11:25,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:11:25,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 3 letters. Loop has 18 letters. [2023-11-12 02:11:25,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:11:25,625 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 97 transitions. [2023-11-12 02:11:25,628 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2023-11-12 02:11:25,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 64 states and 97 transitions. [2023-11-12 02:11:25,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2023-11-12 02:11:25,630 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-12 02:11:25,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 97 transitions. [2023-11-12 02:11:25,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:11:25,630 INFO L218 hiAutomatonCegarLoop]: Abstraction has 64 states and 97 transitions. [2023-11-12 02:11:25,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 97 transitions. [2023-11-12 02:11:25,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2023-11-12 02:11:25,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.5161290322580645) internal successors, (94), 61 states have internal predecessors, (94), 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 02:11:25,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 94 transitions. [2023-11-12 02:11:25,637 INFO L240 hiAutomatonCegarLoop]: Abstraction has 62 states and 94 transitions. [2023-11-12 02:11:25,637 INFO L428 stractBuchiCegarLoop]: Abstraction has 62 states and 94 transitions. [2023-11-12 02:11:25,638 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-12 02:11:25,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 94 transitions. [2023-11-12 02:11:25,639 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2023-11-12 02:11:25,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:11:25,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:11:25,640 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-12 02:11:25,640 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:25,640 INFO L748 eck$LassoCheckResult]: Stem: 537#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 520#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet25#1, main_#t~nondet26#1, main_#t~ret27#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet25#1, main_#t~nondet26#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem17#1, test_fun_#t~mem18#1, test_fun_#t~mem19#1, test_fun_#t~mem20#1, test_fun_#t~mem21#1, test_fun_#t~mem22#1, test_fun_#t~mem23#1, test_fun_#t~mem5#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~short8#1, test_fun_#t~mem9#1, test_fun_#t~mem11#1, test_fun_#t~mem10#1, test_fun_#t~short12#1, test_fun_#t~short13#1, test_fun_#t~mem14#1, test_fun_#t~mem15#1, test_fun_#t~short16#1, test_fun_#t~mem24#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 521#L559-2 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 >= 0; 560#L555-1 assume !test_fun_#t~short8#1; 507#L555-3 [2023-11-12 02:11:25,640 INFO L750 eck$LassoCheckResult]: Loop: 507#L555-3 test_fun_#t~short13#1 := test_fun_#t~short8#1; 508#L555-4 assume test_fun_#t~short13#1; 516#L555-9 test_fun_#t~short16#1 := test_fun_#t~short13#1; 525#L555-10 assume test_fun_#t~short16#1;call test_fun_#t~mem14#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short16#1 := test_fun_#t~mem14#1 + test_fun_#t~mem15#1 > 0; 526#L555-12 assume !!test_fun_#t~short16#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short12#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~mem14#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~short16#1;call test_fun_#t~mem17#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem18#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 511#L556 assume !(test_fun_#t~mem17#1 > test_fun_#t~mem18#1);havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem18#1;call test_fun_#t~mem20#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem21#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 512#L559 assume test_fun_#t~mem20#1 == test_fun_#t~mem21#1;havoc test_fun_#t~mem20#1;havoc test_fun_#t~mem21#1;call test_fun_#t~mem22#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem22#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem22#1; 529#L559-2 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 >= 0; 538#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 2147483647 - test_fun_#t~mem6#1; 507#L555-3 [2023-11-12 02:11:25,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:25,641 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2023-11-12 02:11:25,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:25,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195197880] [2023-11-12 02:11:25,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:25,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:25,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:25,680 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:25,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:25,681 INFO L85 PathProgramCache]: Analyzing trace with hash -162891098, now seen corresponding path program 1 times [2023-11-12 02:11:25,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:25,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150371379] [2023-11-12 02:11:25,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:25,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:25,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:25,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:25,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:25,728 INFO L85 PathProgramCache]: Analyzing trace with hash 2029276831, now seen corresponding path program 1 times [2023-11-12 02:11:25,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:25,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322888926] [2023-11-12 02:11:25,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:25,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:25,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:25,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:11:25,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:25,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322888926] [2023-11-12 02:11:25,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322888926] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:25,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:25,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:11:25,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35834576] [2023-11-12 02:11:25,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:26,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:26,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:11:26,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:11:26,150 INFO L87 Difference]: Start difference. First operand 62 states and 94 transitions. cyclomatic complexity: 36 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:11:26,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:26,196 INFO L93 Difference]: Finished difference Result 90 states and 130 transitions. [2023-11-12 02:11:26,196 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 90 states and 130 transitions. [2023-11-12 02:11:26,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2023-11-12 02:11:26,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 90 states to 90 states and 130 transitions. [2023-11-12 02:11:26,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2023-11-12 02:11:26,201 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2023-11-12 02:11:26,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 130 transitions. [2023-11-12 02:11:26,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:11:26,201 INFO L218 hiAutomatonCegarLoop]: Abstraction has 90 states and 130 transitions. [2023-11-12 02:11:26,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 130 transitions. [2023-11-12 02:11:26,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 70. [2023-11-12 02:11:26,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.457142857142857) internal successors, (102), 69 states have internal predecessors, (102), 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 02:11:26,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 102 transitions. [2023-11-12 02:11:26,208 INFO L240 hiAutomatonCegarLoop]: Abstraction has 70 states and 102 transitions. [2023-11-12 02:11:26,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:11:26,217 INFO L428 stractBuchiCegarLoop]: Abstraction has 70 states and 102 transitions. [2023-11-12 02:11:26,217 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-12 02:11:26,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 102 transitions. [2023-11-12 02:11:26,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2023-11-12 02:11:26,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:11:26,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:11:26,219 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-12 02:11:26,220 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:26,220 INFO L748 eck$LassoCheckResult]: Stem: 697#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 682#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet25#1, main_#t~nondet26#1, main_#t~ret27#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet25#1, main_#t~nondet26#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem17#1, test_fun_#t~mem18#1, test_fun_#t~mem19#1, test_fun_#t~mem20#1, test_fun_#t~mem21#1, test_fun_#t~mem22#1, test_fun_#t~mem23#1, test_fun_#t~mem5#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~short8#1, test_fun_#t~mem9#1, test_fun_#t~mem11#1, test_fun_#t~mem10#1, test_fun_#t~short12#1, test_fun_#t~short13#1, test_fun_#t~mem14#1, test_fun_#t~mem15#1, test_fun_#t~short16#1, test_fun_#t~mem24#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 683#L559-2 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 >= 0; 721#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 2147483647 - test_fun_#t~mem6#1; 670#L555-3 [2023-11-12 02:11:26,220 INFO L750 eck$LassoCheckResult]: Loop: 670#L555-3 test_fun_#t~short13#1 := test_fun_#t~short8#1; 671#L555-4 assume test_fun_#t~short13#1; 707#L555-9 test_fun_#t~short16#1 := test_fun_#t~short13#1; 688#L555-10 assume test_fun_#t~short16#1;call test_fun_#t~mem14#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short16#1 := test_fun_#t~mem14#1 + test_fun_#t~mem15#1 > 0; 689#L555-12 assume !!test_fun_#t~short16#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short12#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~mem14#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~short16#1;call test_fun_#t~mem17#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem18#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 674#L556 assume !(test_fun_#t~mem17#1 > test_fun_#t~mem18#1);havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem18#1;call test_fun_#t~mem20#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem21#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 675#L559 assume test_fun_#t~mem20#1 == test_fun_#t~mem21#1;havoc test_fun_#t~mem20#1;havoc test_fun_#t~mem21#1;call test_fun_#t~mem22#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem22#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem22#1; 691#L559-2 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 >= 0; 698#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 2147483647 - test_fun_#t~mem6#1; 670#L555-3 [2023-11-12 02:11:26,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:26,221 INFO L85 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2023-11-12 02:11:26,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:26,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788704802] [2023-11-12 02:11:26,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:26,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:26,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:26,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:26,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:26,253 INFO L85 PathProgramCache]: Analyzing trace with hash -162891098, now seen corresponding path program 2 times [2023-11-12 02:11:26,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:26,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241006950] [2023-11-12 02:11:26,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:26,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:26,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:26,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:26,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:26,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1872663455, now seen corresponding path program 1 times [2023-11-12 02:11:26,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:26,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836605667] [2023-11-12 02:11:26,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:26,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:26,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:26,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:27,728 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:11:27,728 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:11:27,728 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:11:27,729 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:11:27,729 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:11:27,729 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:27,729 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:11:27,729 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:11:27,729 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.11-alloca.i_Iteration5_Lasso [2023-11-12 02:11:27,729 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:11:27,729 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:11:27,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:27,739 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 02:11:28,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:28,591 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:28,593 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 02:11:28,596 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 02:11:28,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:28,605 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 02:11:28,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:28,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:28,613 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 02:11:28,616 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 02:11:28,619 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 02:11:28,622 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 02:11:28,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:28,627 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 02:11:28,630 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 02:11:28,637 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 02:11:28,640 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 02:11:28,643 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 02:11:28,645 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 02:11:28,648 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 02:11:28,650 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 02:11:28,653 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 02:11:28,655 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 02:11:28,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:11:29,914 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:11:29,914 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:11:29,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:29,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:29,917 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:29,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-12 02:11:29,921 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 02:11:29,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:29,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:11:29,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:11:29,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:11:29,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:29,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:11:29,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:11:29,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:11:29,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-12 02:11:29,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:29,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:29,937 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:29,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-12 02:11:29,940 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 02:11:29,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:11:29,952 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-12 02:11:29,952 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-12 02:11:29,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:11:29,998 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2023-11-12 02:11:29,998 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-12 02:11:30,124 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:11:30,269 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-12 02:11:30,269 INFO L444 ModelExtractionUtils]: 35 out of 76 variables were initially zero. Simplification set additionally 39 variables to zero. [2023-11-12 02:11:30,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:11:30,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:30,271 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:30,281 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:11:30,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-12 02:11:30,312 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2023-11-12 02:11:30,312 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:11:30,313 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) 0)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) 0)_2 Supporting invariants [] [2023-11-12 02:11:30,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:30,442 INFO L156 tatePredicateManager]: 25 out of 26 supporting invariants were superfluous and have been removed [2023-11-12 02:11:30,444 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][0] could not be translated [2023-11-12 02:11:30,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:30,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 02:11:30,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:30,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-12 02:11:30,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:30,745 INFO L322 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2023-11-12 02:11:30,746 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 48 [2023-11-12 02:11:30,819 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 02:11:30,846 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2023-11-12 02:11:30,846 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 102 transitions. cyclomatic complexity: 36 Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 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 02:11:30,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:31,060 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 102 transitions. cyclomatic complexity: 36. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 204 states and 297 transitions. Complement of second has 11 states. [2023-11-12 02:11:31,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2023-11-12 02:11:31,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 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 02:11:31,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 37 transitions. [2023-11-12 02:11:31,066 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 37 transitions. Stem has 4 letters. Loop has 9 letters. [2023-11-12 02:11:31,067 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:11:31,067 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 37 transitions. Stem has 13 letters. Loop has 9 letters. [2023-11-12 02:11:31,067 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:11:31,068 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 37 transitions. Stem has 4 letters. Loop has 18 letters. [2023-11-12 02:11:31,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:11:31,071 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 204 states and 297 transitions. [2023-11-12 02:11:31,074 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2023-11-12 02:11:31,078 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 204 states to 54 states and 73 transitions. [2023-11-12 02:11:31,081 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-12 02:11:31,081 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-11-12 02:11:31,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 73 transitions. [2023-11-12 02:11:31,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:11:31,081 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 73 transitions. [2023-11-12 02:11:31,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 73 transitions. [2023-11-12 02:11:31,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-12 02:11:31,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 53 states have internal predecessors, (73), 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 02:11:31,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 73 transitions. [2023-11-12 02:11:31,089 INFO L240 hiAutomatonCegarLoop]: Abstraction has 54 states and 73 transitions. [2023-11-12 02:11:31,089 INFO L428 stractBuchiCegarLoop]: Abstraction has 54 states and 73 transitions. [2023-11-12 02:11:31,089 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-12 02:11:31,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 73 transitions. [2023-11-12 02:11:31,090 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2023-11-12 02:11:31,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:11:31,090 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:11:31,091 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-12 02:11:31,091 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:31,091 INFO L748 eck$LassoCheckResult]: Stem: 1149#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1136#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet25#1, main_#t~nondet26#1, main_#t~ret27#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet25#1, main_#t~nondet26#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem17#1, test_fun_#t~mem18#1, test_fun_#t~mem19#1, test_fun_#t~mem20#1, test_fun_#t~mem21#1, test_fun_#t~mem22#1, test_fun_#t~mem23#1, test_fun_#t~mem5#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~short8#1, test_fun_#t~mem9#1, test_fun_#t~mem11#1, test_fun_#t~mem10#1, test_fun_#t~short12#1, test_fun_#t~short13#1, test_fun_#t~mem14#1, test_fun_#t~mem15#1, test_fun_#t~short16#1, test_fun_#t~mem24#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 1137#L559-2 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 >= 0; 1167#L555-1 assume !test_fun_#t~short8#1; 1126#L555-3 [2023-11-12 02:11:31,091 INFO L750 eck$LassoCheckResult]: Loop: 1126#L555-3 test_fun_#t~short13#1 := test_fun_#t~short8#1; 1127#L555-4 assume !test_fun_#t~short13#1;call test_fun_#t~mem9#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short12#1 := test_fun_#t~mem9#1 < 0; 1134#L555-6 assume test_fun_#t~short12#1;call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem10#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short12#1 := test_fun_#t~mem11#1 > -2147483648 - test_fun_#t~mem10#1; 1147#L555-8 test_fun_#t~short13#1 := test_fun_#t~short12#1; 1138#L555-9 test_fun_#t~short16#1 := test_fun_#t~short13#1; 1139#L555-10 assume !test_fun_#t~short16#1; 1142#L555-12 assume !!test_fun_#t~short16#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short12#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~mem14#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~short16#1;call test_fun_#t~mem17#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem18#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1130#L556 assume !(test_fun_#t~mem17#1 > test_fun_#t~mem18#1);havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem18#1;call test_fun_#t~mem20#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem21#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1131#L559 assume test_fun_#t~mem20#1 == test_fun_#t~mem21#1;havoc test_fun_#t~mem20#1;havoc test_fun_#t~mem21#1;call test_fun_#t~mem22#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem22#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem22#1; 1144#L559-2 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 >= 0; 1150#L555-1 assume !test_fun_#t~short8#1; 1126#L555-3 [2023-11-12 02:11:31,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:31,092 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 2 times [2023-11-12 02:11:31,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:31,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808550950] [2023-11-12 02:11:31,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:31,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:31,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:31,131 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:31,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:31,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1675651104, now seen corresponding path program 1 times [2023-11-12 02:11:31,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:31,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298135857] [2023-11-12 02:11:31,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:31,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:31,168 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 02:11:31,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:31,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298135857] [2023-11-12 02:11:31,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298135857] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:31,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:31,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:11:31,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127407471] [2023-11-12 02:11:31,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:31,170 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:11:31,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:31,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:11:31,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:11:31,171 INFO L87 Difference]: Start difference. First operand 54 states and 73 transitions. cyclomatic complexity: 23 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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 02:11:31,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:31,183 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2023-11-12 02:11:31,183 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 73 transitions. [2023-11-12 02:11:31,184 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2023-11-12 02:11:31,188 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 54 states and 69 transitions. [2023-11-12 02:11:31,188 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-12 02:11:31,189 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-11-12 02:11:31,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 69 transitions. [2023-11-12 02:11:31,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:11:31,190 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 69 transitions. [2023-11-12 02:11:31,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 69 transitions. [2023-11-12 02:11:31,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-12 02:11:31,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.2777777777777777) internal successors, (69), 53 states have internal predecessors, (69), 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 02:11:31,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2023-11-12 02:11:31,209 INFO L240 hiAutomatonCegarLoop]: Abstraction has 54 states and 69 transitions. [2023-11-12 02:11:31,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:11:31,211 INFO L428 stractBuchiCegarLoop]: Abstraction has 54 states and 69 transitions. [2023-11-12 02:11:31,212 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-12 02:11:31,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 69 transitions. [2023-11-12 02:11:31,213 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2023-11-12 02:11:31,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:11:31,213 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:11:31,213 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-12 02:11:31,214 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:31,214 INFO L748 eck$LassoCheckResult]: Stem: 1268#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1255#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet25#1, main_#t~nondet26#1, main_#t~ret27#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet25#1, main_#t~nondet26#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem17#1, test_fun_#t~mem18#1, test_fun_#t~mem19#1, test_fun_#t~mem20#1, test_fun_#t~mem21#1, test_fun_#t~mem22#1, test_fun_#t~mem23#1, test_fun_#t~mem5#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~short8#1, test_fun_#t~mem9#1, test_fun_#t~mem11#1, test_fun_#t~mem10#1, test_fun_#t~short12#1, test_fun_#t~short13#1, test_fun_#t~mem14#1, test_fun_#t~mem15#1, test_fun_#t~short16#1, test_fun_#t~mem24#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 1256#L559-2 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 >= 0; 1286#L555-1 assume !test_fun_#t~short8#1; 1244#L555-3 [2023-11-12 02:11:31,214 INFO L750 eck$LassoCheckResult]: Loop: 1244#L555-3 test_fun_#t~short13#1 := test_fun_#t~short8#1; 1245#L555-4 assume !test_fun_#t~short13#1;call test_fun_#t~mem9#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short12#1 := test_fun_#t~mem9#1 < 0; 1252#L555-6 assume test_fun_#t~short12#1;call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem10#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short12#1 := test_fun_#t~mem11#1 > -2147483648 - test_fun_#t~mem10#1; 1266#L555-8 test_fun_#t~short13#1 := test_fun_#t~short12#1; 1257#L555-9 test_fun_#t~short16#1 := test_fun_#t~short13#1; 1258#L555-10 assume test_fun_#t~short16#1;call test_fun_#t~mem14#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short16#1 := test_fun_#t~mem14#1 + test_fun_#t~mem15#1 > 0; 1261#L555-12 assume !!test_fun_#t~short16#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short12#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~mem14#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~short16#1;call test_fun_#t~mem17#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem18#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1248#L556 assume !(test_fun_#t~mem17#1 > test_fun_#t~mem18#1);havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem18#1;call test_fun_#t~mem20#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem21#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1249#L559 assume test_fun_#t~mem20#1 == test_fun_#t~mem21#1;havoc test_fun_#t~mem20#1;havoc test_fun_#t~mem21#1;call test_fun_#t~mem22#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem22#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem22#1; 1263#L559-2 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 >= 0; 1269#L555-1 assume !test_fun_#t~short8#1; 1244#L555-3 [2023-11-12 02:11:31,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:31,215 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 3 times [2023-11-12 02:11:31,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:31,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023784803] [2023-11-12 02:11:31,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:31,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:31,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:31,256 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:31,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:31,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1732909406, now seen corresponding path program 1 times [2023-11-12 02:11:31,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:31,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010798963] [2023-11-12 02:11:31,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:31,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:31,499 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 02:11:31,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:31,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010798963] [2023-11-12 02:11:31,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010798963] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:31,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:31,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:11:31,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523915997] [2023-11-12 02:11:31,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:31,501 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:11:31,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:31,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:11:31,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:11:31,502 INFO L87 Difference]: Start difference. First operand 54 states and 69 transitions. cyclomatic complexity: 19 Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 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 02:11:31,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:31,607 INFO L93 Difference]: Finished difference Result 78 states and 93 transitions. [2023-11-12 02:11:31,608 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 93 transitions. [2023-11-12 02:11:31,608 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2023-11-12 02:11:31,609 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 71 states and 86 transitions. [2023-11-12 02:11:31,610 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-12 02:11:31,610 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-11-12 02:11:31,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 86 transitions. [2023-11-12 02:11:31,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:11:31,610 INFO L218 hiAutomatonCegarLoop]: Abstraction has 71 states and 86 transitions. [2023-11-12 02:11:31,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 86 transitions. [2023-11-12 02:11:31,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-12 02:11:31,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 71 states have (on average 1.2112676056338028) internal successors, (86), 70 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:11:31,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 86 transitions. [2023-11-12 02:11:31,615 INFO L240 hiAutomatonCegarLoop]: Abstraction has 71 states and 86 transitions. [2023-11-12 02:11:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:11:31,616 INFO L428 stractBuchiCegarLoop]: Abstraction has 71 states and 86 transitions. [2023-11-12 02:11:31,616 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-12 02:11:31,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 86 transitions. [2023-11-12 02:11:31,617 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2023-11-12 02:11:31,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:11:31,617 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:11:31,618 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-12 02:11:31,618 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:31,618 INFO L748 eck$LassoCheckResult]: Stem: 1417#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1402#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet25#1, main_#t~nondet26#1, main_#t~ret27#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet25#1, main_#t~nondet26#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem17#1, test_fun_#t~mem18#1, test_fun_#t~mem19#1, test_fun_#t~mem20#1, test_fun_#t~mem21#1, test_fun_#t~mem22#1, test_fun_#t~mem23#1, test_fun_#t~mem5#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~short8#1, test_fun_#t~mem9#1, test_fun_#t~mem11#1, test_fun_#t~mem10#1, test_fun_#t~short12#1, test_fun_#t~short13#1, test_fun_#t~mem14#1, test_fun_#t~mem15#1, test_fun_#t~short16#1, test_fun_#t~mem24#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 1403#L559-2 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 >= 0; 1445#L555-1 assume !test_fun_#t~short8#1; 1392#L555-3 [2023-11-12 02:11:31,618 INFO L750 eck$LassoCheckResult]: Loop: 1392#L555-3 test_fun_#t~short13#1 := test_fun_#t~short8#1; 1393#L555-4 assume !test_fun_#t~short13#1;call test_fun_#t~mem9#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short12#1 := test_fun_#t~mem9#1 < 0; 1400#L555-6 assume !test_fun_#t~short12#1; 1413#L555-8 test_fun_#t~short13#1 := test_fun_#t~short12#1; 1404#L555-9 test_fun_#t~short16#1 := test_fun_#t~short13#1; 1405#L555-10 assume test_fun_#t~short16#1;call test_fun_#t~mem14#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short16#1 := test_fun_#t~mem14#1 + test_fun_#t~mem15#1 > 0; 1408#L555-12 assume !!test_fun_#t~short16#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short12#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~mem14#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~short16#1;call test_fun_#t~mem17#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem18#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1396#L556 assume !(test_fun_#t~mem17#1 > test_fun_#t~mem18#1);havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem18#1;call test_fun_#t~mem20#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem21#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1397#L559 assume test_fun_#t~mem20#1 == test_fun_#t~mem21#1;havoc test_fun_#t~mem20#1;havoc test_fun_#t~mem21#1;call test_fun_#t~mem22#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem22#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem22#1; 1410#L559-2 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 >= 0; 1418#L555-1 assume !test_fun_#t~short8#1; 1392#L555-3 [2023-11-12 02:11:31,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:31,619 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 4 times [2023-11-12 02:11:31,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:31,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63270245] [2023-11-12 02:11:31,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:31,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:31,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:31,641 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:31,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:31,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1052851036, now seen corresponding path program 1 times [2023-11-12 02:11:31,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:31,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914863384] [2023-11-12 02:11:31,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:31,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:31,686 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 02:11:31,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:31,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914863384] [2023-11-12 02:11:31,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914863384] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:31,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:31,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:11:31,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406288964] [2023-11-12 02:11:31,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:31,688 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:11:31,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:31,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:11:31,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:11:31,689 INFO L87 Difference]: Start difference. First operand 71 states and 86 transitions. cyclomatic complexity: 19 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:11:31,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:31,733 INFO L93 Difference]: Finished difference Result 55 states and 62 transitions. [2023-11-12 02:11:31,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 62 transitions. [2023-11-12 02:11:31,736 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:11:31,736 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 0 states and 0 transitions. [2023-11-12 02:11:31,736 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-12 02:11:31,736 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-12 02:11:31,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-12 02:11:31,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:11:31,737 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:11:31,737 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:11:31,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:11:31,740 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:11:31,740 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-12 02:11:31,740 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:11:31,740 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:11:31,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-12 02:11:31,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:11:31 BoogieIcfgContainer [2023-11-12 02:11:31,749 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:11:31,749 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:11:31,749 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:11:31,750 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:11:31,750 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:15" (3/4) ... [2023-11-12 02:11:31,752 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:11:31,753 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:11:31,754 INFO L158 Benchmark]: Toolchain (without parser) took 17835.50ms. Allocated memory was 134.2MB in the beginning and 268.4MB in the end (delta: 134.2MB). Free memory was 67.6MB in the beginning and 153.9MB in the end (delta: -86.3MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2023-11-12 02:11:31,755 INFO L158 Benchmark]: CDTParser took 15.68ms. Allocated memory is still 134.2MB. Free memory was 108.2MB in the beginning and 107.8MB in the end (delta: 412.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:11:31,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.57ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 67.4MB in the beginning and 143.7MB in the end (delta: -76.3MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-11-12 02:11:31,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.76ms. Allocated memory is still 184.5MB. Free memory was 143.7MB in the beginning and 141.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:11:31,756 INFO L158 Benchmark]: Boogie Preprocessor took 59.86ms. Allocated memory is still 184.5MB. Free memory was 141.6MB in the beginning and 140.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:11:31,757 INFO L158 Benchmark]: RCFGBuilder took 577.48ms. Allocated memory is still 184.5MB. Free memory was 140.6MB in the beginning and 147.4MB in the end (delta: -6.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:11:31,757 INFO L158 Benchmark]: BuchiAutomizer took 16548.13ms. Allocated memory was 184.5MB in the beginning and 268.4MB in the end (delta: 83.9MB). Free memory was 147.4MB in the beginning and 154.9MB in the end (delta: -7.5MB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. [2023-11-12 02:11:31,757 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 268.4MB. Free memory is still 153.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:11:31,760 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 15.68ms. Allocated memory is still 134.2MB. Free memory was 108.2MB in the beginning and 107.8MB in the end (delta: 412.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.57ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 67.4MB in the beginning and 143.7MB in the end (delta: -76.3MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.76ms. Allocated memory is still 184.5MB. Free memory was 143.7MB in the beginning and 141.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.86ms. Allocated memory is still 184.5MB. Free memory was 141.6MB in the beginning and 140.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.48ms. Allocated memory is still 184.5MB. Free memory was 140.6MB in the beginning and 147.4MB in the end (delta: -6.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 16548.13ms. Allocated memory was 184.5MB in the beginning and 268.4MB in the end (delta: 83.9MB). Free memory was 147.4MB in the beginning and 154.9MB in the end (delta: -7.5MB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 268.4MB. Free memory is still 153.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y_ref~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][0] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 8 terminating modules (5 trivial, 3 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 7 locations. One deterministic module has affine ranking function NULL and consists of 7 locations. 5 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.4s and 9 iterations. TraceHistogramMax:1. Analysis of lassos took 14.2s. Construction of modules took 0.3s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 6. Automata minimization 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 307 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 185 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 232 IncrementalHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 122 mSDtfsCounter, 232 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI4 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital302 mio100 ax105 hnf100 lsp95 ukn69 mio100 lsp39 div100 bol105 ite100 ukn100 eq177 hnf89 smp98 dnf270 smp66 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 285ms VariablesStem: 12 VariablesLoop: 11 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-12 02:11:31,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a569c83a-d1e2-4bb8-8758-574ae800f5cf/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