./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_monotonic.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_monotonic.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5e947ce3cb6be538c3110154d89a790a98803ec545aa8464d99fb543118ea442 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:07:58,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:07:58,871 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 06:07:58,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:07:58,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:07:58,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:07:58,900 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:07:58,900 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:07:58,901 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:07:58,901 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:07:58,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:07:58,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:07:58,903 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:07:58,904 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 06:07:58,904 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 06:07:58,905 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 06:07:58,905 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 06:07:58,906 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 06:07:58,906 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 06:07:58,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:07:58,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 06:07:58,908 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:07:58,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:07:58,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:07:58,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:07:58,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 06:07:58,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 06:07:58,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 06:07:58,912 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:07:58,912 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:07:58,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:07:58,913 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 06:07:58,913 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:07:58,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:07:58,914 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:07:58,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:07:58,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:07:58,914 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 06:07:58,915 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_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e947ce3cb6be538c3110154d89a790a98803ec545aa8464d99fb543118ea442 [2023-11-29 06:07:59,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:07:59,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:07:59,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:07:59,135 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:07:59,135 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:07:59,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/array-industry-pattern/array_monotonic.i [2023-11-29 06:08:01,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:08:02,039 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:08:02,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/sv-benchmarks/c/array-industry-pattern/array_monotonic.i [2023-11-29 06:08:02,046 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/data/39dde5073/7f48f954d78f4a78abb6442e145abbfb/FLAGab13e7704 [2023-11-29 06:08:02,058 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/data/39dde5073/7f48f954d78f4a78abb6442e145abbfb [2023-11-29 06:08:02,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:08:02,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:08:02,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:08:02,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:08:02,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:08:02,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:08:02" (1/1) ... [2023-11-29 06:08:02,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600a9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:02, skipping insertion in model container [2023-11-29 06:08:02,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:08:02" (1/1) ... [2023-11-29 06:08:02,089 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:08:02,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:08:02,241 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:08:02,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:08:02,269 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:08:02,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:02 WrapperNode [2023-11-29 06:08:02,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:08:02,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:08:02,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:08:02,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:08:02,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:02" (1/1) ... [2023-11-29 06:08:02,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:02" (1/1) ... [2023-11-29 06:08:02,304 INFO L138 Inliner]: procedures = 16, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2023-11-29 06:08:02,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:08:02,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:08:02,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:08:02,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:08:02,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:02" (1/1) ... [2023-11-29 06:08:02,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:02" (1/1) ... [2023-11-29 06:08:02,316 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:02" (1/1) ... [2023-11-29 06:08:02,328 INFO L175 MemorySlicer]: Split 7 memory accesses to 3 slices as follows [2, 3, 2]. 43 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2023-11-29 06:08:02,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:02" (1/1) ... [2023-11-29 06:08:02,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:02" (1/1) ... [2023-11-29 06:08:02,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:02" (1/1) ... [2023-11-29 06:08:02,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:02" (1/1) ... [2023-11-29 06:08:02,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:02" (1/1) ... [2023-11-29 06:08:02,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:02" (1/1) ... [2023-11-29 06:08:02,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:08:02,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:08:02,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:08:02,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:08:02,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:02" (1/1) ... [2023-11-29 06:08:02,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:02,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:02,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:02,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 06:08:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:08:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:08:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 06:08:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 06:08:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:08:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:08:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:08:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 06:08:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:08:02,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:08:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:08:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:08:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 06:08:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:08:02,477 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:08:02,479 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:08:02,599 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:08:02,607 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:08:02,608 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 06:08:02,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:08:02 BoogieIcfgContainer [2023-11-29 06:08:02,609 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:08:02,611 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 06:08:02,611 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 06:08:02,615 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 06:08:02,616 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:08:02,616 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:08:02" (1/3) ... [2023-11-29 06:08:02,617 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f0d313c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:08:02, skipping insertion in model container [2023-11-29 06:08:02,618 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:08:02,618 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:08:02" (2/3) ... [2023-11-29 06:08:02,618 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f0d313c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:08:02, skipping insertion in model container [2023-11-29 06:08:02,618 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:08:02,618 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:08:02" (3/3) ... [2023-11-29 06:08:02,620 INFO L332 chiAutomizerObserver]: Analyzing ICFG array_monotonic.i [2023-11-29 06:08:02,672 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 06:08:02,672 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 06:08:02,672 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 06:08:02,672 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 06:08:02,673 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 06:08:02,673 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 06:08:02,673 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 06:08:02,673 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 06:08:02,676 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) [2023-11-29 06:08:02,690 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-11-29 06:08:02,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:08:02,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:08:02,694 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:08:02,694 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:08:02,694 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 06:08:02,694 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) [2023-11-29 06:08:02,696 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-11-29 06:08:02,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:08:02,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:08:02,696 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:08:02,696 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:08:02,702 INFO L748 eck$LassoCheckResult]: Stem: 15#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_#t~mem4#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 12#L20-3true [2023-11-29 06:08:02,702 INFO L750 eck$LassoCheckResult]: Loop: 12#L20-3true assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 16#L23true assume 10 == main_#t~mem2#1;havoc main_#t~mem2#1;call write~int#2(20, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~0#1, 4); 13#L20-2true main_~i~0#1 := 2 + main_~i~0#1; 12#L20-3true [2023-11-29 06:08:02,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:02,707 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-29 06:08:02,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:02,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62133333] [2023-11-29 06:08:02,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:02,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:02,808 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:08:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:02,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:08:02,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:02,840 INFO L85 PathProgramCache]: Analyzing trace with hash 39821, now seen corresponding path program 1 times [2023-11-29 06:08:02,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:02,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077105164] [2023-11-29 06:08:02,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:02,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:02,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:08:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:02,872 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:08:02,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:02,874 INFO L85 PathProgramCache]: Analyzing trace with hash 28698763, now seen corresponding path program 1 times [2023-11-29 06:08:02,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:02,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318581235] [2023-11-29 06:08:02,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:02,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:02,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:08:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:02,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:08:03,391 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:08:03,391 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:08:03,391 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:08:03,392 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:08:03,392 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:08:03,392 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:03,392 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:08:03,392 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:08:03,393 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_monotonic.i_Iteration1_Lasso [2023-11-29 06:08:03,393 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:08:03,393 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:08:03,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:08:03,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:08:03,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:08:03,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:08:03,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:08:03,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:08:03,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:08:03,920 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:08:03,923 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:08:03,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:03,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:03,927 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:03,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 06:08:03,933 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 [2023-11-29 06:08:03,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:03,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:03,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:03,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:03,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:03,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:03,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:03,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-29 06:08:03,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:03,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:03,964 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:03,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 06:08:03,968 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 [2023-11-29 06:08:03,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:03,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:03,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:03,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:03,981 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:03,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:03,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:03,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 06:08:03,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:03,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:03,990 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:03,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 06:08:03,993 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 [2023-11-29 06:08:04,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:04,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:08:04,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:04,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:04,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:04,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:08:04,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:08:04,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:04,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-29 06:08:04,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:04,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:04,017 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:04,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 06:08:04,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:08:04,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:04,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:08:04,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:04,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:04,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:04,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:08:04,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:08:04,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:04,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 06:08:04,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:04,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:04,040 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:04,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 06:08:04,043 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 [2023-11-29 06:08:04,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:04,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:08:04,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:04,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:04,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:04,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:08:04,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:08:04,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:04,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 06:08:04,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:04,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:04,061 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:04,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 06:08:04,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:08:04,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:04,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:08:04,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:04,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:04,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:04,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:08:04,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:08:04,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:04,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 06:08:04,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:04,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:04,088 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:04,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 06:08:04,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:08:04,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:04,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:04,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:04,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:04,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:04,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:04,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:04,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 06:08:04,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:04,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:04,114 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:04,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 06:08:04,116 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 [2023-11-29 06:08:04,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:04,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:08:04,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:04,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:04,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:04,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:08:04,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:08:04,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:04,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 06:08:04,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:04,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:04,138 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:04,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 06:08:04,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:08:04,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:04,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:04,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:04,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:04,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:04,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:04,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:04,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 06:08:04,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:04,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:04,178 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:04,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 06:08:04,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:08:04,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:04,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:04,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:04,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:04,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:04,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:04,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:04,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 06:08:04,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:04,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:04,208 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:04,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 06:08:04,211 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 [2023-11-29 06:08:04,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:04,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:04,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:04,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:04,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:04,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:04,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:04,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 06:08:04,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:04,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:04,240 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:04,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 06:08:04,243 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 [2023-11-29 06:08:04,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:04,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:04,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:04,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:04,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:04,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:04,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:04,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 06:08:04,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:04,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:04,269 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:04,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 06:08:04,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:08:04,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:04,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:04,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:04,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:04,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:04,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:04,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:04,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 06:08:04,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:04,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:04,298 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:04,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 06:08:04,305 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 [2023-11-29 06:08:04,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:04,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:04,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:04,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:04,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:04,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:04,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:04,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 06:08:04,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:04,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:04,332 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:04,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 06:08:04,336 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 [2023-11-29 06:08:04,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:04,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:04,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:04,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:04,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:04,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:04,370 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:08:04,422 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2023-11-29 06:08:04,422 INFO L444 ModelExtractionUtils]: 0 out of 19 variables were initially zero. Simplification set additionally 16 variables to zero. [2023-11-29 06:08:04,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:04,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:04,447 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:04,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 06:08:04,450 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:08:04,462 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 06:08:04,463 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:08:04,463 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#b~0#1.base)_1) = -1*ULTIMATE.start_main_~i~0#1 + 25000*v_rep(select #length ULTIMATE.start_main_~#b~0#1.base)_1 Supporting invariants [] [2023-11-29 06:08:04,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 06:08:04,495 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2023-11-29 06:08:04,502 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#b~0!base] could not be translated [2023-11-29 06:08:04,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:04,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:08:04,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:08:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:04,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:08:04,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:08:04,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:04,626 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 [2023-11-29 06:08:04,627 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. 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 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:08:04,684 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. 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 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 61 transitions. Complement of second has 10 states. [2023-11-29 06:08:04,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-29 06:08:04,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:08:04,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2023-11-29 06:08:04,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 2 letters. Loop has 3 letters. [2023-11-29 06:08:04,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:08:04,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 5 letters. Loop has 3 letters. [2023-11-29 06:08:04,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:08:04,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 2 letters. Loop has 6 letters. [2023-11-29 06:08:04,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:08:04,692 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 61 transitions. [2023-11-29 06:08:04,696 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-11-29 06:08:04,699 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 22 states and 31 transitions. [2023-11-29 06:08:04,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-29 06:08:04,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-29 06:08:04,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. [2023-11-29 06:08:04,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:08:04,701 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2023-11-29 06:08:04,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. [2023-11-29 06:08:04,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2023-11-29 06:08:04,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 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) [2023-11-29 06:08:04,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2023-11-29 06:08:04,721 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2023-11-29 06:08:04,721 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2023-11-29 06:08:04,721 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 06:08:04,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2023-11-29 06:08:04,722 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-11-29 06:08:04,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:08:04,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:08:04,723 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 06:08:04,723 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:08:04,723 INFO L748 eck$LassoCheckResult]: Stem: 156#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 140#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_#t~mem4#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 141#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 151#L23 [2023-11-29 06:08:04,723 INFO L750 eck$LassoCheckResult]: Loop: 151#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 147#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 148#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 151#L23 [2023-11-29 06:08:04,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:04,724 INFO L85 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2023-11-29 06:08:04,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:04,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673446588] [2023-11-29 06:08:04,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:04,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:04,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:08:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:04,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:08:04,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:04,753 INFO L85 PathProgramCache]: Analyzing trace with hash 44743, now seen corresponding path program 1 times [2023-11-29 06:08:04,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:04,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404710757] [2023-11-29 06:08:04,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:04,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:04,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:08:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:04,766 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:08:04,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:04,767 INFO L85 PathProgramCache]: Analyzing trace with hash 889663585, now seen corresponding path program 1 times [2023-11-29 06:08:04,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:04,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686948383] [2023-11-29 06:08:04,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:04,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:04,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:08:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:04,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:08:05,129 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:08:05,129 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:08:05,129 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:08:05,129 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:08:05,129 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:08:05,129 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:05,129 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:08:05,129 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:08:05,129 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_monotonic.i_Iteration2_Lasso [2023-11-29 06:08:05,129 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:08:05,130 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:08:05,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:08:05,135 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:08:05,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:08:05,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:08:05,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:08:05,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:08:05,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:08:05,552 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:08:05,552 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:08:05,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:05,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:05,555 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:05,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 06:08:05,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:08:05,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:05,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:08:05,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:05,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:05,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:05,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:08:05,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:08:05,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:05,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-29 06:08:05,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 06:08:05,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:05,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:05,590 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:05,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 06:08:05,592 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 [2023-11-29 06:08:05,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:05,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:08:05,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:05,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:05,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:05,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:08:05,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:08:05,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:05,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-29 06:08:05,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:05,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:05,608 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:05,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 06:08:05,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:08:05,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:05,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:05,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:05,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:05,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:05,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:05,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:05,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 06:08:05,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:05,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:05,632 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:05,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 06:08:05,635 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 [2023-11-29 06:08:05,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:05,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:05,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:05,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:05,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:05,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:05,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:05,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-29 06:08:05,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:05,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:05,659 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:05,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 06:08:05,663 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 [2023-11-29 06:08:05,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:05,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:05,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:05,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:05,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:05,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:05,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:05,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-29 06:08:05,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:05,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:05,686 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:05,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 06:08:05,689 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 [2023-11-29 06:08:05,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:05,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:05,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:05,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:05,703 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:05,703 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:05,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:05,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-29 06:08:05,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:05,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:05,712 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:05,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 06:08:05,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:08:05,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:05,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:05,728 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 06:08:05,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:05,737 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-29 06:08:05,737 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-29 06:08:05,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:05,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-29 06:08:05,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:05,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:05,759 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:05,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 06:08:05,762 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 [2023-11-29 06:08:05,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:05,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:05,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:05,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:05,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:05,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:05,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:05,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-29 06:08:05,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:05,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:05,787 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:05,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-29 06:08:05,791 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 [2023-11-29 06:08:05,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:05,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:05,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:05,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:05,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:05,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:05,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:05,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-29 06:08:05,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:05,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:05,814 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:05,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-29 06:08:05,818 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 [2023-11-29 06:08:05,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:05,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:05,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:05,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:05,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:05,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:05,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:05,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-29 06:08:05,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:05,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:05,841 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:05,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-29 06:08:05,844 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 [2023-11-29 06:08:05,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:05,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:05,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:05,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:05,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:05,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:05,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:05,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-29 06:08:05,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:05,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:05,866 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:05,869 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 [2023-11-29 06:08:05,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-29 06:08:05,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:05,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:05,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:05,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:05,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:05,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:05,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:05,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-29 06:08:05,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:05,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:05,893 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:05,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-29 06:08:05,896 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 [2023-11-29 06:08:05,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:05,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:05,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:05,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:05,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:05,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:05,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:08:05,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-29 06:08:05,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:05,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:05,919 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:05,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-29 06:08:05,922 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 [2023-11-29 06:08:05,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:08:05,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:08:05,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:08:05,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:08:05,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:08:05,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:08:05,948 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:08:05,970 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-29 06:08:05,971 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-29 06:08:05,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:08:05,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:05,972 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:08:05,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-29 06:08:05,976 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:08:05,989 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 06:08:05,989 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:08:05,989 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 99998 Supporting invariants [] [2023-11-29 06:08:05,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-29 06:08:06,017 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2023-11-29 06:08:06,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:06,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:08:06,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:08:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:06,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:08:06,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:08:06,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:06,074 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 06:08:06,074 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:08:06,099 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 62 transitions. Complement of second has 8 states. [2023-11-29 06:08:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 06:08:06,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:08:06,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2023-11-29 06:08:06,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 3 letters. Loop has 3 letters. [2023-11-29 06:08:06,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:08:06,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-29 06:08:06,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:08:06,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 3 letters. Loop has 6 letters. [2023-11-29 06:08:06,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:08:06,102 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 62 transitions. [2023-11-29 06:08:06,104 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2023-11-29 06:08:06,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 31 states and 42 transitions. [2023-11-29 06:08:06,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2023-11-29 06:08:06,106 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2023-11-29 06:08:06,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 42 transitions. [2023-11-29 06:08:06,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:08:06,106 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 42 transitions. [2023-11-29 06:08:06,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 42 transitions. [2023-11-29 06:08:06,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2023-11-29 06:08:06,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 28 states have internal predecessors, (40), 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) [2023-11-29 06:08:06,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2023-11-29 06:08:06,109 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 40 transitions. [2023-11-29 06:08:06,110 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 40 transitions. [2023-11-29 06:08:06,110 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 06:08:06,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 40 transitions. [2023-11-29 06:08:06,111 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2023-11-29 06:08:06,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:08:06,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:08:06,111 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-29 06:08:06,111 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:08:06,112 INFO L748 eck$LassoCheckResult]: Stem: 296#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 281#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_#t~mem4#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 282#L20-3 assume !(main_~i~0#1 < 100000); 283#L20-4 main_~i~0#1 := 0; 284#L26-3 [2023-11-29 06:08:06,112 INFO L750 eck$LassoCheckResult]: Loop: 284#L26-3 assume !!(main_~i~0#1 < 100000);call main_#t~mem3#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 295#L28 assume !(10 == main_#t~mem3#1);havoc main_#t~mem3#1; 280#L26-2 main_~i~0#1 := 2 + main_~i~0#1; 284#L26-3 [2023-11-29 06:08:06,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:06,112 INFO L85 PathProgramCache]: Analyzing trace with hash 925712, now seen corresponding path program 1 times [2023-11-29 06:08:06,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:06,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467691992] [2023-11-29 06:08:06,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:06,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:06,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:06,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:08:06,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467691992] [2023-11-29 06:08:06,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467691992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:08:06,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:08:06,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:08:06,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673591889] [2023-11-29 06:08:06,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:08:06,165 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 06:08:06,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:06,165 INFO L85 PathProgramCache]: Analyzing trace with hash 59262, now seen corresponding path program 1 times [2023-11-29 06:08:06,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:06,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659239086] [2023-11-29 06:08:06,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:06,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:06,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:08:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:06,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:08:06,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:08:06,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:08:06,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:08:06,216 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:08:06,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:08:06,237 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2023-11-29 06:08:06,237 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2023-11-29 06:08:06,239 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:08:06,239 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 31 states and 42 transitions. [2023-11-29 06:08:06,239 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-29 06:08:06,240 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-29 06:08:06,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 42 transitions. [2023-11-29 06:08:06,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:08:06,240 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 42 transitions. [2023-11-29 06:08:06,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 42 transitions. [2023-11-29 06:08:06,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 20. [2023-11-29 06:08:06,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:08:06,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2023-11-29 06:08:06,243 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2023-11-29 06:08:06,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:08:06,244 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2023-11-29 06:08:06,244 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 06:08:06,244 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2023-11-29 06:08:06,245 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:08:06,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:08:06,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:08:06,245 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:08:06,245 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:08:06,246 INFO L748 eck$LassoCheckResult]: Stem: 361#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 362#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_#t~mem4#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 355#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 356#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 351#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 352#L20-3 assume !(main_~i~0#1 < 100000); 363#L20-4 main_~i~0#1 := 0; 350#L26-3 [2023-11-29 06:08:06,246 INFO L750 eck$LassoCheckResult]: Loop: 350#L26-3 assume !!(main_~i~0#1 < 100000);call main_#t~mem3#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 359#L28 assume !(10 == main_#t~mem3#1);havoc main_#t~mem3#1; 349#L26-2 main_~i~0#1 := 2 + main_~i~0#1; 350#L26-3 [2023-11-29 06:08:06,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:06,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1809767318, now seen corresponding path program 1 times [2023-11-29 06:08:06,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:06,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66543613] [2023-11-29 06:08:06,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:06,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:06,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:06,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:08:06,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66543613] [2023-11-29 06:08:06,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66543613] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:08:06,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131192797] [2023-11-29 06:08:06,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:06,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:08:06,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:06,295 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:08:06,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2023-11-29 06:08:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:06,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:08:06,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:08:06,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:06,357 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:08:06,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:06,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131192797] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:08:06,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:08:06,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-29 06:08:06,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546269778] [2023-11-29 06:08:06,373 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:08:06,373 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 06:08:06,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:06,374 INFO L85 PathProgramCache]: Analyzing trace with hash 59262, now seen corresponding path program 2 times [2023-11-29 06:08:06,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:06,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782237736] [2023-11-29 06:08:06,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:06,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:06,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:08:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:06,382 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:08:06,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:08:06,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:08:06,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:08:06,423 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:08:06,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:08:06,478 INFO L93 Difference]: Finished difference Result 68 states and 89 transitions. [2023-11-29 06:08:06,478 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 89 transitions. [2023-11-29 06:08:06,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:08:06,482 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 62 states and 78 transitions. [2023-11-29 06:08:06,482 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2023-11-29 06:08:06,482 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2023-11-29 06:08:06,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 78 transitions. [2023-11-29 06:08:06,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:08:06,483 INFO L218 hiAutomatonCegarLoop]: Abstraction has 62 states and 78 transitions. [2023-11-29 06:08:06,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 78 transitions. [2023-11-29 06:08:06,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 40. [2023-11-29 06:08:06,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.3) internal successors, (52), 39 states have internal predecessors, (52), 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) [2023-11-29 06:08:06,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 52 transitions. [2023-11-29 06:08:06,487 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 52 transitions. [2023-11-29 06:08:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:08:06,488 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 52 transitions. [2023-11-29 06:08:06,488 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 06:08:06,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 52 transitions. [2023-11-29 06:08:06,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:08:06,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:08:06,490 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:08:06,490 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 1, 1, 1, 1] [2023-11-29 06:08:06,490 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:08:06,491 INFO L748 eck$LassoCheckResult]: Stem: 494#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 495#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_#t~mem4#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 485#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 486#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 496#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 517#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 513#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 511#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 509#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 507#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 502#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 505#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 501#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 490#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 491#L20-3 assume !(main_~i~0#1 < 100000); 499#L20-4 main_~i~0#1 := 0; 484#L26-3 [2023-11-29 06:08:06,491 INFO L750 eck$LassoCheckResult]: Loop: 484#L26-3 assume !!(main_~i~0#1 < 100000);call main_#t~mem3#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 493#L28 assume !(10 == main_#t~mem3#1);havoc main_#t~mem3#1; 483#L26-2 main_~i~0#1 := 2 + main_~i~0#1; 484#L26-3 [2023-11-29 06:08:06,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:06,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1825864560, now seen corresponding path program 2 times [2023-11-29 06:08:06,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:06,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970046692] [2023-11-29 06:08:06,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:06,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:06,599 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:06,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:08:06,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970046692] [2023-11-29 06:08:06,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970046692] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:08:06,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673953611] [2023-11-29 06:08:06,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 06:08:06,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:08:06,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:06,600 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:08:06,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2023-11-29 06:08:06,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 06:08:06,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:08:06,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:08:06,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:08:06,684 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:06,684 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:08:06,749 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:06,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673953611] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:08:06,749 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:08:06,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2023-11-29 06:08:06,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026127280] [2023-11-29 06:08:06,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:08:06,750 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 06:08:06,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:06,750 INFO L85 PathProgramCache]: Analyzing trace with hash 59262, now seen corresponding path program 3 times [2023-11-29 06:08:06,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:06,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223142839] [2023-11-29 06:08:06,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:06,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:06,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:08:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:06,758 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:08:06,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:08:06,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 06:08:06,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:08:06,796 INFO L87 Difference]: Start difference. First operand 40 states and 52 transitions. cyclomatic complexity: 15 Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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) [2023-11-29 06:08:06,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:08:06,919 INFO L93 Difference]: Finished difference Result 158 states and 204 transitions. [2023-11-29 06:08:06,919 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 158 states and 204 transitions. [2023-11-29 06:08:06,922 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:08:06,924 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 158 states to 146 states and 180 transitions. [2023-11-29 06:08:06,924 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 67 [2023-11-29 06:08:06,925 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 67 [2023-11-29 06:08:06,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 146 states and 180 transitions. [2023-11-29 06:08:06,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:08:06,925 INFO L218 hiAutomatonCegarLoop]: Abstraction has 146 states and 180 transitions. [2023-11-29 06:08:06,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states and 180 transitions. [2023-11-29 06:08:06,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 94. [2023-11-29 06:08:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 94 states have (on average 1.2553191489361701) internal successors, (118), 93 states have internal predecessors, (118), 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) [2023-11-29 06:08:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 118 transitions. [2023-11-29 06:08:06,932 INFO L240 hiAutomatonCegarLoop]: Abstraction has 94 states and 118 transitions. [2023-11-29 06:08:06,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:08:06,933 INFO L428 stractBuchiCegarLoop]: Abstraction has 94 states and 118 transitions. [2023-11-29 06:08:06,934 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-29 06:08:06,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 118 transitions. [2023-11-29 06:08:06,935 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:08:06,935 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:08:06,935 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:08:06,936 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 1, 1, 1, 1] [2023-11-29 06:08:06,936 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:08:06,937 INFO L748 eck$LassoCheckResult]: Stem: 799#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 800#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_#t~mem4#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 789#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 790#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 801#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 792#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 793#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 802#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 876#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 872#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 870#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 868#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 861#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 858#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 856#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 846#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 844#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 842#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 840#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 839#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 838#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 829#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 826#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 823#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 820#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 818#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 815#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 813#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 808#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 811#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 807#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 794#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 795#L20-3 assume !(main_~i~0#1 < 100000); 803#L20-4 main_~i~0#1 := 0; 788#L26-3 [2023-11-29 06:08:06,937 INFO L750 eck$LassoCheckResult]: Loop: 788#L26-3 assume !!(main_~i~0#1 < 100000);call main_#t~mem3#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 798#L28 assume !(10 == main_#t~mem3#1);havoc main_#t~mem3#1; 787#L26-2 main_~i~0#1 := 2 + main_~i~0#1; 788#L26-3 [2023-11-29 06:08:06,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:06,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1205177520, now seen corresponding path program 3 times [2023-11-29 06:08:06,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:06,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055796918] [2023-11-29 06:08:06,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:06,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:06,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-29 06:08:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:07,200 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:07,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:08:07,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055796918] [2023-11-29 06:08:07,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055796918] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:08:07,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859319416] [2023-11-29 06:08:07,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 06:08:07,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:08:07,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:07,204 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:08:07,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2023-11-29 06:08:07,381 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-29 06:08:07,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:08:07,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 06:08:07,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:08:07,446 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:07,447 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:08:07,645 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:07,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859319416] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:08:07,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:08:07,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2023-11-29 06:08:07,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19611594] [2023-11-29 06:08:07,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:08:07,647 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 06:08:07,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:07,647 INFO L85 PathProgramCache]: Analyzing trace with hash 59262, now seen corresponding path program 4 times [2023-11-29 06:08:07,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:07,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354730670] [2023-11-29 06:08:07,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:07,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:07,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:08:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:07,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:08:07,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:08:07,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-29 06:08:07,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2023-11-29 06:08:07,698 INFO L87 Difference]: Start difference. First operand 94 states and 118 transitions. cyclomatic complexity: 27 Second operand has 25 states, 25 states have (on average 2.8) internal successors, (70), 25 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:08:07,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:08:07,986 INFO L93 Difference]: Finished difference Result 338 states and 432 transitions. [2023-11-29 06:08:07,986 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 338 states and 432 transitions. [2023-11-29 06:08:07,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:08:07,994 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 338 states to 314 states and 384 transitions. [2023-11-29 06:08:07,994 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2023-11-29 06:08:07,995 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2023-11-29 06:08:07,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 314 states and 384 transitions. [2023-11-29 06:08:07,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:08:07,995 INFO L218 hiAutomatonCegarLoop]: Abstraction has 314 states and 384 transitions. [2023-11-29 06:08:07,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states and 384 transitions. [2023-11-29 06:08:08,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 202. [2023-11-29 06:08:08,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 202 states have (on average 1.2376237623762376) internal successors, (250), 201 states have internal predecessors, (250), 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) [2023-11-29 06:08:08,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 250 transitions. [2023-11-29 06:08:08,009 INFO L240 hiAutomatonCegarLoop]: Abstraction has 202 states and 250 transitions. [2023-11-29 06:08:08,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 06:08:08,010 INFO L428 stractBuchiCegarLoop]: Abstraction has 202 states and 250 transitions. [2023-11-29 06:08:08,010 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-29 06:08:08,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 202 states and 250 transitions. [2023-11-29 06:08:08,012 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:08:08,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:08:08,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:08:08,014 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [22, 22, 22, 1, 1, 1, 1] [2023-11-29 06:08:08,014 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:08:08,015 INFO L748 eck$LassoCheckResult]: Stem: 1456#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 1457#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_#t~mem4#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 1447#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1448#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1454#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1450#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1451#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1459#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1644#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1642#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1641#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1640#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1639#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1637#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1636#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1633#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1632#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1631#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1629#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1627#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1626#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1623#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1620#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1618#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1614#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1611#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1609#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1605#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1602#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1600#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1596#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1593#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1591#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1588#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1584#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1582#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1572#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1569#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1567#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1557#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1554#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1552#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1543#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1541#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1539#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1530#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1528#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1526#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1519#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1516#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1514#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1504#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1502#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1500#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1498#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1497#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1496#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1487#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1484#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1481#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1477#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1475#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1472#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1470#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1465#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1468#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1464#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 1452#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 1453#L20-3 assume !(main_~i~0#1 < 100000); 1460#L20-4 main_~i~0#1 := 0; 1446#L26-3 [2023-11-29 06:08:08,015 INFO L750 eck$LassoCheckResult]: Loop: 1446#L26-3 assume !!(main_~i~0#1 < 100000);call main_#t~mem3#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 1455#L28 assume !(10 == main_#t~mem3#1);havoc main_#t~mem3#1; 1445#L26-2 main_~i~0#1 := 2 + main_~i~0#1; 1446#L26-3 [2023-11-29 06:08:08,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:08,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1121042640, now seen corresponding path program 4 times [2023-11-29 06:08:08,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:08,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723718063] [2023-11-29 06:08:08,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:08,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:08,752 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:08,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:08:08,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723718063] [2023-11-29 06:08:08,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723718063] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:08:08,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766210742] [2023-11-29 06:08:08,752 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 06:08:08,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:08:08,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:08,756 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:08:08,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2023-11-29 06:08:08,878 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 06:08:08,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:08:08,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 06:08:08,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:08:08,986 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:08,987 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:08:09,703 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:09,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766210742] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:08:09,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:08:09,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 49 [2023-11-29 06:08:09,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270087662] [2023-11-29 06:08:09,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:08:09,704 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 06:08:09,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:09,704 INFO L85 PathProgramCache]: Analyzing trace with hash 59262, now seen corresponding path program 5 times [2023-11-29 06:08:09,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:09,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262801977] [2023-11-29 06:08:09,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:09,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:09,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:08:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:09,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:08:09,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:08:09,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-11-29 06:08:09,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2023-11-29 06:08:09,751 INFO L87 Difference]: Start difference. First operand 202 states and 250 transitions. cyclomatic complexity: 51 Second operand has 49 states, 49 states have (on average 2.8979591836734695) internal successors, (142), 49 states have internal predecessors, (142), 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) [2023-11-29 06:08:10,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:08:10,354 INFO L93 Difference]: Finished difference Result 698 states and 888 transitions. [2023-11-29 06:08:10,354 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 698 states and 888 transitions. [2023-11-29 06:08:10,361 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:08:10,366 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 698 states to 650 states and 792 transitions. [2023-11-29 06:08:10,366 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 283 [2023-11-29 06:08:10,367 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 283 [2023-11-29 06:08:10,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 650 states and 792 transitions. [2023-11-29 06:08:10,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:08:10,367 INFO L218 hiAutomatonCegarLoop]: Abstraction has 650 states and 792 transitions. [2023-11-29 06:08:10,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states and 792 transitions. [2023-11-29 06:08:10,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 418. [2023-11-29 06:08:10,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 418 states have (on average 1.229665071770335) internal successors, (514), 417 states have internal predecessors, (514), 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) [2023-11-29 06:08:10,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 514 transitions. [2023-11-29 06:08:10,385 INFO L240 hiAutomatonCegarLoop]: Abstraction has 418 states and 514 transitions. [2023-11-29 06:08:10,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-29 06:08:10,386 INFO L428 stractBuchiCegarLoop]: Abstraction has 418 states and 514 transitions. [2023-11-29 06:08:10,387 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-29 06:08:10,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 418 states and 514 transitions. [2023-11-29 06:08:10,390 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:08:10,390 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:08:10,390 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:08:10,393 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [46, 46, 46, 1, 1, 1, 1] [2023-11-29 06:08:10,393 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:08:10,393 INFO L748 eck$LassoCheckResult]: Stem: 2823#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 2824#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_#t~mem4#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 2813#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2814#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2825#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3222#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3218#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3215#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3212#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3209#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3206#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3203#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3200#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3197#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3195#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3192#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3189#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3186#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3183#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3179#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3176#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3173#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3170#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3167#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3164#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3161#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3158#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3155#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3152#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3149#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3146#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3143#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3140#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3137#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3134#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3131#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3128#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3125#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3122#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3119#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3116#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3114#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3111#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3108#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3105#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3102#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3098#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3095#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3092#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3089#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3086#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3083#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3080#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3077#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3074#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3071#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3068#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3065#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3062#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3059#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3056#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3053#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3051#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3048#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3045#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3042#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3039#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3035#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3032#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3029#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3026#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3024#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3021#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3018#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3015#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3012#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 3008#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 3005#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 3002#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2999#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2996#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2993#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2990#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2987#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2984#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2981#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2978#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2975#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2972#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2969#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2966#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2963#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2960#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2957#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2954#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2951#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2948#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2945#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2942#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2939#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2936#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2933#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2930#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2927#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2924#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2921#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2918#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2915#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2912#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2909#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2907#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2905#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2904#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2903#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2902#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2899#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2896#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2893#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2891#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2888#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2876#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2873#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2871#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2869#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2866#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2864#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2862#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2861#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2860#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2852#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2849#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2846#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2842#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2840#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2838#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2836#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2831#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2834#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2830#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 2818#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 2819#L20-3 assume !(main_~i~0#1 < 100000); 2828#L20-4 main_~i~0#1 := 0; 2812#L26-3 [2023-11-29 06:08:10,393 INFO L750 eck$LassoCheckResult]: Loop: 2812#L26-3 assume !!(main_~i~0#1 < 100000);call main_#t~mem3#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 2822#L28 assume !(10 == main_#t~mem3#1);havoc main_#t~mem3#1; 2811#L26-2 main_~i~0#1 := 2 + main_~i~0#1; 2812#L26-3 [2023-11-29 06:08:10,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:10,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1788222416, now seen corresponding path program 5 times [2023-11-29 06:08:10,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:10,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229255246] [2023-11-29 06:08:10,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:10,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:12,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3151 backedges. 0 proven. 3151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:12,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:08:12,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229255246] [2023-11-29 06:08:12,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229255246] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:08:12,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251512208] [2023-11-29 06:08:12,343 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-29 06:08:12,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:08:12,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:12,344 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:08:12,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2023-11-29 06:08:15,587 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-11-29 06:08:15,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:08:15,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-29 06:08:15,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:08:15,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3151 backedges. 0 proven. 3151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:15,801 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:08:18,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3151 backedges. 0 proven. 3151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:18,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251512208] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:08:18,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:08:18,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 97 [2023-11-29 06:08:18,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629415330] [2023-11-29 06:08:18,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:08:18,185 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 06:08:18,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:18,185 INFO L85 PathProgramCache]: Analyzing trace with hash 59262, now seen corresponding path program 6 times [2023-11-29 06:08:18,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:18,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450943202] [2023-11-29 06:08:18,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:18,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:18,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:08:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:08:18,191 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:08:18,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:08:18,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2023-11-29 06:08:18,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2023-11-29 06:08:18,236 INFO L87 Difference]: Start difference. First operand 418 states and 514 transitions. cyclomatic complexity: 99 Second operand has 97 states, 97 states have (on average 2.948453608247423) internal successors, (286), 97 states have internal predecessors, (286), 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) [2023-11-29 06:08:21,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:08:21,039 INFO L93 Difference]: Finished difference Result 1418 states and 1800 transitions. [2023-11-29 06:08:21,039 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1418 states and 1800 transitions. [2023-11-29 06:08:21,046 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:08:21,053 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1418 states to 1322 states and 1608 transitions. [2023-11-29 06:08:21,053 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 571 [2023-11-29 06:08:21,053 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 571 [2023-11-29 06:08:21,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1322 states and 1608 transitions. [2023-11-29 06:08:21,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:08:21,054 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1322 states and 1608 transitions. [2023-11-29 06:08:21,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1322 states and 1608 transitions. [2023-11-29 06:08:21,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1322 to 850. [2023-11-29 06:08:21,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 850 states have (on average 1.2258823529411764) internal successors, (1042), 849 states have internal predecessors, (1042), 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) [2023-11-29 06:08:21,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1042 transitions. [2023-11-29 06:08:21,068 INFO L240 hiAutomatonCegarLoop]: Abstraction has 850 states and 1042 transitions. [2023-11-29 06:08:21,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-11-29 06:08:21,069 INFO L428 stractBuchiCegarLoop]: Abstraction has 850 states and 1042 transitions. [2023-11-29 06:08:21,069 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-29 06:08:21,070 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 850 states and 1042 transitions. [2023-11-29 06:08:21,075 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 06:08:21,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:08:21,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:08:21,081 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [94, 94, 94, 1, 1, 1, 1] [2023-11-29 06:08:21,081 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:08:21,082 INFO L748 eck$LassoCheckResult]: Stem: 5605#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 5606#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_#t~mem3#1, main_#t~mem4#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 5595#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5596#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5607#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6436#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6432#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6429#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6426#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6423#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6420#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6417#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6414#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6411#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6408#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6405#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6402#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6399#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6396#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6393#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6390#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6387#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6384#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6381#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6378#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6375#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6372#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6369#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6366#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6363#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6360#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6357#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6354#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6351#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6348#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6345#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6342#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6339#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6336#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6333#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6330#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6327#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6324#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6321#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6318#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6315#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6312#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6310#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6307#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6304#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6301#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6298#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6294#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6291#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6288#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6285#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6282#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6279#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6276#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6273#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6270#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6267#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6264#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6261#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6258#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6255#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6252#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6249#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6247#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6244#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6241#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6238#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6235#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6231#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6228#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6225#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6222#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6219#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6216#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6213#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6210#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6207#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6204#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6201#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6198#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6195#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6192#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6189#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6186#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6183#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6180#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6177#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6174#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6171#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6168#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6166#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6163#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6160#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6157#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6154#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6150#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6147#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6144#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6141#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6138#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6135#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6132#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6129#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6126#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6123#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6120#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6117#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6114#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6111#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6108#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6105#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6102#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6099#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6096#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6093#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6090#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6087#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6084#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6081#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6078#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6075#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6072#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6069#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6066#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6063#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6060#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6057#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6054#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6051#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6048#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6045#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6042#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6040#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6037#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6034#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6031#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6028#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6024#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6021#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6018#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6015#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6012#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6009#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 6006#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 6003#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 6000#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5997#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5994#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5991#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5988#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5985#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5982#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5979#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5976#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5973#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5971#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5970#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5968#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5967#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5966#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5964#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5963#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5962#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5960#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5959#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5958#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5956#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5955#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5954#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5952#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5951#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5950#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5948#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5947#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5946#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5944#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5943#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5942#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5940#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5939#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5938#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5936#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5935#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5934#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5933#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5929#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5927#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5923#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5920#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5918#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5914#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5911#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5909#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5905#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5902#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5900#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5896#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5893#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5891#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5887#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5884#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5882#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5878#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5875#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5873#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5869#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5866#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5864#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5860#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5857#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5855#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5851#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5849#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5847#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5843#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5840#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5838#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5834#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5831#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5829#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5825#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5822#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5820#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5816#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5813#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5811#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5807#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5804#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5802#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5798#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5795#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5793#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5790#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5786#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5784#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5774#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5771#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5769#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5759#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5756#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5754#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5744#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5741#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5739#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5729#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5726#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5724#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5714#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5712#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5710#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5701#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5699#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5697#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5688#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5686#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5684#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5675#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5673#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5671#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5664#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5661#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5659#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5650#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5648#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5646#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5644#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5643#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5642#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5634#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5631#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5628#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5624#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5622#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5620#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5618#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5613#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5616#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1;call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5612#L23 assume !(10 == main_#t~mem2#1);havoc main_#t~mem2#1; 5600#L20-2 main_~i~0#1 := 2 + main_~i~0#1; 5601#L20-3 assume !(main_~i~0#1 < 100000); 5610#L20-4 main_~i~0#1 := 0; 5594#L26-3 [2023-11-29 06:08:21,082 INFO L750 eck$LassoCheckResult]: Loop: 5594#L26-3 assume !!(main_~i~0#1 < 100000);call main_#t~mem3#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5604#L28 assume !(10 == main_#t~mem3#1);havoc main_#t~mem3#1; 5593#L26-2 main_~i~0#1 := 2 + main_~i~0#1; 5594#L26-3 [2023-11-29 06:08:21,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:08:21,083 INFO L85 PathProgramCache]: Analyzing trace with hash 712364496, now seen corresponding path program 6 times [2023-11-29 06:08:21,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:08:21,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892524086] [2023-11-29 06:08:21,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:08:21,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:08:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:08:27,053 INFO L134 CoverageAnalysis]: Checked inductivity of 13207 backedges. 0 proven. 13207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:08:27,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:08:27,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892524086] [2023-11-29 06:08:27,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892524086] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:08:27,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967280289] [2023-11-29 06:08:27,053 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-29 06:08:27,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:08:27,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:08:27,055 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:08:27,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f53784d-d396-47c6-8705-6e1726a18296/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process