./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7d44dc9ee297680f321b2cf4dcd79f3ba6ced2470ed6439fc6dd5eb0285efc9c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:42:57,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:42:57,432 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-06 22:42:57,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:42:57,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:42:57,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:42:57,494 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:42:57,495 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:42:57,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:42:57,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:42:57,504 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:42:57,505 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:42:57,505 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:42:57,508 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:42:57,508 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:42:57,508 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:42:57,509 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:42:57,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:42:57,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:42:57,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:42:57,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:42:57,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:42:57,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:42:57,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:42:57,513 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:42:57,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:42:57,514 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:42:57,515 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:42:57,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:42:57,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:42:57,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:42:57,518 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:42:57,518 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:42:57,519 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_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d44dc9ee297680f321b2cf4dcd79f3ba6ced2470ed6439fc6dd5eb0285efc9c [2023-11-06 22:42:57,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:42:57,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:42:57,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:42:57,899 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:42:57,900 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:42:57,901 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2023-11-06 22:43:01,070 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:43:01,342 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:43:01,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2023-11-06 22:43:01,360 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/data/02cae6dd3/82a5d8b704414a94bf7c70bcb9879e71/FLAG7cec9bd78 [2023-11-06 22:43:01,376 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/data/02cae6dd3/82a5d8b704414a94bf7c70bcb9879e71 [2023-11-06 22:43:01,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:43:01,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:43:01,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:43:01,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:43:01,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:43:01,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:43:01" (1/1) ... [2023-11-06 22:43:01,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576c094d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:01, skipping insertion in model container [2023-11-06 22:43:01,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:43:01" (1/1) ... [2023-11-06 22:43:01,448 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:43:01,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:43:01,782 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:43:01,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:43:01,889 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:43:01,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:01 WrapperNode [2023-11-06 22:43:01,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:43:01,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:43:01,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:43:01,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:43:01,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:01" (1/1) ... [2023-11-06 22:43:01,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:01" (1/1) ... [2023-11-06 22:43:01,939 INFO L138 Inliner]: procedures = 111, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 194 [2023-11-06 22:43:01,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:43:01,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:43:01,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:43:01,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:43:01,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:01" (1/1) ... [2023-11-06 22:43:01,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:01" (1/1) ... [2023-11-06 22:43:01,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:01" (1/1) ... [2023-11-06 22:43:01,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:01" (1/1) ... [2023-11-06 22:43:01,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:01" (1/1) ... [2023-11-06 22:43:01,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:01" (1/1) ... [2023-11-06 22:43:01,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:01" (1/1) ... [2023-11-06 22:43:01,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:01" (1/1) ... [2023-11-06 22:43:01,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:43:01,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:43:01,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:43:01,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:43:01,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:01" (1/1) ... [2023-11-06 22:43:01,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:02,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:02,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:02,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:43:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:43:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:43:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:43:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:43:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:43:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:43:02,219 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:43:02,221 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:43:02,629 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:43:02,635 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:43:02,635 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 22:43:02,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:43:02 BoogieIcfgContainer [2023-11-06 22:43:02,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:43:02,639 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:43:02,639 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:43:02,652 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:43:02,653 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:43:02,653 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:43:01" (1/3) ... [2023-11-06 22:43:02,655 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51c4653a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:43:02, skipping insertion in model container [2023-11-06 22:43:02,655 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:43:02,655 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:01" (2/3) ... [2023-11-06 22:43:02,656 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51c4653a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:43:02, skipping insertion in model container [2023-11-06 22:43:02,657 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:43:02,657 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:43:02" (3/3) ... [2023-11-06 22:43:02,658 INFO L332 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2023-11-06 22:43:02,738 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:43:02,740 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:43:02,740 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:43:02,740 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:43:02,741 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:43:02,741 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:43:02,741 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:43:02,742 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:43:02,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 25 states have (on average 1.6) internal successors, (40), 25 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) [2023-11-06 22:43:02,778 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2023-11-06 22:43:02,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:43:02,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:43:02,786 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-06 22:43:02,787 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:43:02,788 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:43:02,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 25 states have (on average 1.6) internal successors, (40), 25 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) [2023-11-06 22:43:02,794 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2023-11-06 22:43:02,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:43:02,795 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:43:02,795 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-06 22:43:02,795 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:43:02,805 INFO L748 eck$LassoCheckResult]: Stem: 21#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1;havoc main_#t~nondet21#1; 9#L578true assume 0 != main_#t~nondet21#1;havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem10#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 20#L558true assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1; 14#L562-2true [2023-11-06 22:43:02,806 INFO L750 eck$LassoCheckResult]: Loop: 14#L562-2true call f_#t~mem8#1 := read~int(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 11#L562true assume !!(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1;call f_#t~mem10#1 := read~int(f_~z~0#1.base, f_~z~0#1.offset, 4);call write~int(2 * f_#t~mem10#1, f_~z~0#1.base, f_~z~0#1.offset, 4);havoc f_#t~mem10#1; 14#L562-2true [2023-11-06 22:43:02,812 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:02,813 INFO L85 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2023-11-06 22:43:02,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:02,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188918743] [2023-11-06 22:43:02,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:02,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:03,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:43:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:03,222 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:43:03,226 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:03,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1446, now seen corresponding path program 1 times [2023-11-06 22:43:03,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:03,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60072053] [2023-11-06 22:43:03,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:03,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:03,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:43:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:03,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:43:03,288 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:03,288 INFO L85 PathProgramCache]: Analyzing trace with hash 889509773, now seen corresponding path program 1 times [2023-11-06 22:43:03,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:03,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559789942] [2023-11-06 22:43:03,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:03,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:04,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:04,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:04,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559789942] [2023-11-06 22:43:04,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559789942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:04,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:04,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:43:04,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333805508] [2023-11-06 22:43:04,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:04,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:04,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:43:04,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:43:04,322 INFO L87 Difference]: Start difference. First operand has 26 states, 25 states have (on average 1.6) internal successors, (40), 25 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) Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 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) [2023-11-06 22:43:04,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:04,499 INFO L93 Difference]: Finished difference Result 40 states and 52 transitions. [2023-11-06 22:43:04,501 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 52 transitions. [2023-11-06 22:43:04,508 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-06 22:43:04,513 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 29 states and 38 transitions. [2023-11-06 22:43:04,514 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-06 22:43:04,515 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-06 22:43:04,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 38 transitions. [2023-11-06 22:43:04,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:43:04,517 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 38 transitions. [2023-11-06 22:43:04,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 38 transitions. [2023-11-06 22:43:04,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 19. [2023-11-06 22:43:04,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:04,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2023-11-06 22:43:04,549 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-11-06 22:43:04,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:43:04,557 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-11-06 22:43:04,558 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:43:04,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2023-11-06 22:43:04,560 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-06 22:43:04,561 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:43:04,561 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:43:04,561 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:43:04,561 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-06 22:43:04,562 INFO L748 eck$LassoCheckResult]: Stem: 98#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 88#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1;havoc main_#t~nondet21#1; 89#L578 assume 0 != main_#t~nondet21#1;havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem10#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 93#L558 assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1; 94#L562-2 call f_#t~mem8#1 := read~int(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 99#L562 assume !(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1; 97#L567-2 [2023-11-06 22:43:04,562 INFO L750 eck$LassoCheckResult]: Loop: 97#L567-2 call f_#t~mem11#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 90#L566 assume !f_#t~short13#1; 91#L566-2 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1;havoc f_#t~nondet14#1; 95#L567 assume !(0 != f_#t~nondet14#1);havoc f_#t~nondet14#1;call f_#t~mem19#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);call f_#t~mem20#1 := read~int(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(f_#t~mem19#1 - f_#t~mem20#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~mem19#1;havoc f_#t~mem20#1; 97#L567-2 [2023-11-06 22:43:04,563 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:04,565 INFO L85 PathProgramCache]: Analyzing trace with hash 889509771, now seen corresponding path program 1 times [2023-11-06 22:43:04,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:04,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906001559] [2023-11-06 22:43:04,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:04,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:04,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:43:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:04,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:43:04,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:04,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1759853, now seen corresponding path program 1 times [2023-11-06 22:43:04,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:04,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632205637] [2023-11-06 22:43:04,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:04,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:04,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:04,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:04,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632205637] [2023-11-06 22:43:04,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632205637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:04,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:04,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:43:04,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165391050] [2023-11-06 22:43:04,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:04,718 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:43:04,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:04,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:43:04,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:43:04,719 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:04,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:04,768 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2023-11-06 22:43:04,768 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2023-11-06 22:43:04,771 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-06 22:43:04,774 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 22 transitions. [2023-11-06 22:43:04,774 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-06 22:43:04,775 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-06 22:43:04,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 22 transitions. [2023-11-06 22:43:04,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:43:04,775 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 22 transitions. [2023-11-06 22:43:04,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 22 transitions. [2023-11-06 22:43:04,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-06 22:43:04,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:04,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2023-11-06 22:43:04,785 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 22 transitions. [2023-11-06 22:43:04,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:43:04,788 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2023-11-06 22:43:04,788 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:43:04,792 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 22 transitions. [2023-11-06 22:43:04,794 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-06 22:43:04,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:43:04,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:43:04,798 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:43:04,798 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-06 22:43:04,800 INFO L748 eck$LassoCheckResult]: Stem: 144#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 133#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1;havoc main_#t~nondet21#1; 134#L578 assume 0 != main_#t~nondet21#1;havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem10#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 139#L558 assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1; 140#L562-2 call f_#t~mem8#1 := read~int(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 145#L562 assume !(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1; 143#L567-2 [2023-11-06 22:43:04,800 INFO L750 eck$LassoCheckResult]: Loop: 143#L567-2 call f_#t~mem11#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 136#L566 assume f_#t~short13#1;call f_#t~mem12#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0; 137#L566-2 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1;havoc f_#t~nondet14#1; 141#L567 assume !(0 != f_#t~nondet14#1);havoc f_#t~nondet14#1;call f_#t~mem19#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);call f_#t~mem20#1 := read~int(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(f_#t~mem19#1 - f_#t~mem20#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~mem19#1;havoc f_#t~mem20#1; 143#L567-2 [2023-11-06 22:43:04,800 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:04,802 INFO L85 PathProgramCache]: Analyzing trace with hash 889509771, now seen corresponding path program 2 times [2023-11-06 22:43:04,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:04,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880443870] [2023-11-06 22:43:04,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:04,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:04,842 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:43:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:04,863 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:43:04,864 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:04,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1757931, now seen corresponding path program 1 times [2023-11-06 22:43:04,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:04,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426284516] [2023-11-06 22:43:04,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:04,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:04,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:43:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:04,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:43:04,880 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:04,880 INFO L85 PathProgramCache]: Analyzing trace with hash -260778635, now seen corresponding path program 1 times [2023-11-06 22:43:04,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:04,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234236554] [2023-11-06 22:43:04,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:04,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:04,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:43:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:04,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:43:08,171 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:43:08,172 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:43:08,173 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:43:08,173 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:43:08,173 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:43:08,173 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:08,174 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:43:08,174 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:43:08,174 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i_Iteration3_Lasso [2023-11-06 22:43:08,174 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:43:08,175 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:43:08,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:08,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:08,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:08,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:08,228 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:08,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:08,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:08,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:08,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:08,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:08,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:08,255 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:08,257 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:08,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:09,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:09,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:09,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:09,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:09,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:09,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:09,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:09,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:09,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:09,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:09,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:09,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:09,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:10,604 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:43:10,612 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:43:10,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:10,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:10,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:10,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:10,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:43:10,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:10,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:43:10,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:10,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:10,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:10,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:43:10,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:43:10,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:10,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:10,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:10,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:10,679 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:10,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:43:10,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:10,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:10,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:43:10,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:10,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:10,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:10,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:43:10,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:43:10,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:10,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:10,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:10,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:10,727 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:10,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:43:10,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:10,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:10,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:43:10,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:10,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:10,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:10,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:43:10,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:43:10,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:10,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:10,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:10,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:10,766 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:10,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:10,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:43:10,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:10,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:43:10,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:10,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:10,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:10,789 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:43:10,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:43:10,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:10,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:10,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:10,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:10,809 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:10,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:10,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:10,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:10,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:10,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:10,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:10,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:10,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:43:10,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:10,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:10,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:10,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:10,864 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:10,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:10,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:43:10,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:10,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:10,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:10,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:10,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:10,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:10,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:10,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:10,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:10,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:10,915 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:10,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:10,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:10,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:43:10,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:10,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:10,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:10,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:43:10,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:43:10,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:43:10,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:10,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:10,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:10,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:10,967 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:10,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:10,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:43:10,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:10,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:43:10,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:10,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:10,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:10,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:43:10,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:43:11,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,010 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:43:11,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:43:11,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:43:11,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:43:11,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,050 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:43:11,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:43:11,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:43:11,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:43:11,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,098 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:43:11,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:43:11,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:43:11,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 22:43:11,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,138 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:43:11,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:43:11,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:43:11,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 22:43:11,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,183 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 22:43:11,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:11,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:11,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,235 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 22:43:11,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:11,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:11,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,287 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-06 22:43:11,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:11,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:11,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,357 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:11,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:11,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-06 22:43:11,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,405 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-06 22:43:11,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:11,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:11,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,430 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-06 22:43:11,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:11,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:11,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,462 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-06 22:43:11,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:11,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:11,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,491 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-06 22:43:11,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:11,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:11,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,529 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-06 22:43:11,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:11,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:11,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,591 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-06 22:43:11,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:11,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:11,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,638 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-06 22:43:11,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:11,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:11,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,690 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-06 22:43:11,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:11,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:11,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,734 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-06 22:43:11,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:11,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:11,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,783 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-06 22:43:11,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:11,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:11,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,829 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-06 22:43:11,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:11,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:11,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:11,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:11,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,853 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-06 22:43:11,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:11,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:11,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:11,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:11,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:11,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:11,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:11,924 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:43:11,968 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-06 22:43:11,969 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-06 22:43:11,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:11,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:11,991 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:11,994 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:43:12,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-06 22:43:12,051 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-06 22:43:12,051 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:43:12,052 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~y~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~y~0#1.base) 0)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_f_~d_ref~0#1.base) ULTIMATE.start_f_~d_ref~0#1.offset)_1 - 1 >= 0] [2023-11-06 22:43:12,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:12,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:12,520 INFO L156 tatePredicateManager]: 56 out of 59 supporting invariants were superfluous and have been removed [2023-11-06 22:43:12,530 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y~0!base] could not be translated [2023-11-06 22:43:12,531 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y~0!base][0] could not be translated [2023-11-06 22:43:12,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:12,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-06 22:43:12,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:12,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:12,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:12,768 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 71 [2023-11-06 22:43:12,826 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:12,827 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:12,833 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:12,844 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:12,845 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:12,850 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:12,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:12,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:12,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:12,887 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 27 [2023-11-06 22:43:12,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:12,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:12,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:12,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:12,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:12,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:12,906 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2023-11-06 22:43:12,924 INFO L322 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-06 22:43:12,924 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2023-11-06 22:43:12,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:12,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:12,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:12,962 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 85 [2023-11-06 22:43:13,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:13,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:13,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:13,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:13,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:13,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:13,038 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 29 [2023-11-06 22:43:13,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:13,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:13,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:13,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:13,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:13,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:13,053 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2023-11-06 22:43:13,059 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2023-11-06 22:43:13,081 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,081 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,085 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:13,096 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,097 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,098 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,102 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:13,112 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,113 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,113 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,118 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:13,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:13,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:13,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:13,136 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 80 [2023-11-06 22:43:13,162 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,162 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,166 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:13,175 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,176 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,177 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,180 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:13,188 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,188 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,189 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,193 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:13,207 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:13,214 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:13,223 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:13,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:13,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:13,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:13,241 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 80 [2023-11-06 22:43:13,273 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,274 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,275 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,278 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:13,287 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,288 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:13,291 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:13,298 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:13,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:43:13,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:13,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:13,497 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-06 22:43:13,499 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:13,664 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 34 transitions. Complement of second has 10 states. [2023-11-06 22:43:13,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-06 22:43:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:13,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2023-11-06 22:43:13,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-06 22:43:13,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:43:13,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2023-11-06 22:43:13,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:43:13,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 8 letters. [2023-11-06 22:43:13,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:43:13,671 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2023-11-06 22:43:13,672 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-06 22:43:13,672 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 28 states and 33 transitions. [2023-11-06 22:43:13,673 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2023-11-06 22:43:13,673 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2023-11-06 22:43:13,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2023-11-06 22:43:13,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:43:13,673 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 33 transitions. [2023-11-06 22:43:13,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2023-11-06 22:43:13,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2023-11-06 22:43:13,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:13,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2023-11-06 22:43:13,678 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 32 transitions. [2023-11-06 22:43:13,678 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2023-11-06 22:43:13,678 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 22:43:13,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2023-11-06 22:43:13,679 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-06 22:43:13,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:43:13,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:43:13,680 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:43:13,680 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-06 22:43:13,680 INFO L748 eck$LassoCheckResult]: Stem: 497#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 483#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1;havoc main_#t~nondet21#1; 484#L578 assume !(0 != main_#t~nondet21#1);havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem10#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 480#L558-1 assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1; 481#L562-5 call f_#t~mem8#1 := read~int(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 489#L562-3 assume !(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1; 478#L567-5 [2023-11-06 22:43:13,681 INFO L750 eck$LassoCheckResult]: Loop: 478#L567-5 call f_#t~mem11#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 479#L566-5 assume f_#t~short13#1;call f_#t~mem12#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0; 476#L566-7 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1;havoc f_#t~nondet14#1; 477#L567-3 assume !(0 != f_#t~nondet14#1);havoc f_#t~nondet14#1;call f_#t~mem19#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);call f_#t~mem20#1 := read~int(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(f_#t~mem19#1 - f_#t~mem20#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~mem19#1;havoc f_#t~mem20#1; 478#L567-5 [2023-11-06 22:43:13,681 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:13,681 INFO L85 PathProgramCache]: Analyzing trace with hash 891018187, now seen corresponding path program 1 times [2023-11-06 22:43:13,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:13,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482896877] [2023-11-06 22:43:13,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:13,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:13,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:43:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:13,759 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:43:13,759 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:13,760 INFO L85 PathProgramCache]: Analyzing trace with hash 3266347, now seen corresponding path program 1 times [2023-11-06 22:43:13,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:13,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422947490] [2023-11-06 22:43:13,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:13,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:13,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:43:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:13,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:43:13,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:13,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1225178613, now seen corresponding path program 1 times [2023-11-06 22:43:13,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:13,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280910206] [2023-11-06 22:43:13,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:13,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:13,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:43:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:13,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:43:16,794 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:43:16,794 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:43:16,794 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:43:16,794 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:43:16,794 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:43:16,795 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:16,795 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:43:16,795 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:43:16,795 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i_Iteration4_Lasso [2023-11-06 22:43:16,795 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:43:16,795 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:43:16,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:16,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,228 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,249 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,252 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,257 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,260 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,267 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:18,951 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:43:18,952 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:43:18,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:18,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:18,957 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:18,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:18,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-06 22:43:18,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:18,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:18,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:18,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:18,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:18,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:18,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:18,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-06 22:43:18,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:18,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:18,996 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:18,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-06 22:43:18,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:19,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:19,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:19,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:19,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:19,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:19,017 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:19,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:19,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:19,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:19,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:19,063 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:19,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:19,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:19,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:19,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:19,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:19,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-06 22:43:19,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:19,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:19,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:19,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:19,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:19,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:19,117 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:19,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-06 22:43:19,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:43:19,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:19,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:19,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:19,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:19,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:19,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:19,149 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:43:19,162 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-06 22:43:19,162 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2023-11-06 22:43:19,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:19,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:19,164 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:19,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-06 22:43:19,184 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:43:19,195 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-06 22:43:19,195 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:43:19,195 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~y~0#1.base) ULTIMATE.start_f_~y~0#1.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~y~0#1.base) ULTIMATE.start_f_~y~0#1.offset)_2 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_f_~d_ref~0#1.base) ULTIMATE.start_f_~d_ref~0#1.offset)_2 - 2 >= 0] [2023-11-06 22:43:19,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-06 22:43:19,541 INFO L156 tatePredicateManager]: 57 out of 59 supporting invariants were superfluous and have been removed [2023-11-06 22:43:19,575 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:19,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-06 22:43:19,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:19,671 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:19,677 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:19,691 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-06 22:43:19,703 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-06 22:43:19,703 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2023-11-06 22:43:19,709 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-06 22:43:19,718 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:19,728 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:19,737 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:19,756 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:43:19,768 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 31 [2023-11-06 22:43:19,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:19,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:19,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:19,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:19,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:19,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:19,790 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2023-11-06 22:43:19,801 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2023-11-06 22:43:19,818 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2023-11-06 22:43:19,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:19,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:19,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:19,833 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:43:19,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:19,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:19,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:19,846 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:19,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:19,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:43:19,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:19,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:19,997 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-06 22:43:19,998 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:20,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-06 22:43:20,125 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 44 transitions. Complement of second has 10 states. [2023-11-06 22:43:20,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-06 22:43:20,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:20,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2023-11-06 22:43:20,129 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-06 22:43:20,129 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:43:20,129 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2023-11-06 22:43:20,129 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:43:20,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 8 letters. [2023-11-06 22:43:20,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:43:20,130 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 44 transitions. [2023-11-06 22:43:20,131 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-06 22:43:20,132 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 36 states and 43 transitions. [2023-11-06 22:43:20,132 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2023-11-06 22:43:20,132 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2023-11-06 22:43:20,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 43 transitions. [2023-11-06 22:43:20,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:43:20,132 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 43 transitions. [2023-11-06 22:43:20,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 43 transitions. [2023-11-06 22:43:20,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2023-11-06 22:43:20,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2) internal successors, (42), 34 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:20,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2023-11-06 22:43:20,136 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 42 transitions. [2023-11-06 22:43:20,136 INFO L428 stractBuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2023-11-06 22:43:20,136 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-06 22:43:20,136 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 42 transitions. [2023-11-06 22:43:20,137 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-06 22:43:20,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:43:20,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:43:20,137 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:20,137 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-06 22:43:20,138 INFO L748 eck$LassoCheckResult]: Stem: 865#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 852#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1;havoc main_#t~nondet21#1; 853#L578 assume 0 != main_#t~nondet21#1;havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem10#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 859#L558 assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1; 860#L562-2 call f_#t~mem8#1 := read~int(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 866#L562 assume !(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1; 867#L567-2 call f_#t~mem11#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 854#L566 assume f_#t~short13#1;call f_#t~mem12#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0; 855#L566-2 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1;havoc f_#t~nondet14#1; 861#L567 assume 0 != f_#t~nondet14#1;havoc f_#t~nondet14#1; 862#L568 [2023-11-06 22:43:20,138 INFO L750 eck$LassoCheckResult]: Loop: 862#L568 call f_#t~mem15#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);call f_#t~mem16#1 := read~int(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(f_#t~mem15#1 - f_#t~mem16#1, f_~x~0#1.base, f_~x~0#1.offset, 4);havoc f_#t~mem15#1;havoc f_#t~mem16#1;havoc f_#t~nondet17#1;call write~int(f_#t~nondet17#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~nondet17#1;call f_#t~mem18#1 := read~int(f_~z~0#1.base, f_~z~0#1.offset, 4);call write~int(f_#t~mem18#1 - 1, f_~z~0#1.base, f_~z~0#1.offset, 4);havoc f_#t~mem18#1; 870#L567-2 call f_#t~mem11#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 871#L566 assume f_#t~short13#1;call f_#t~mem12#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0; 874#L566-2 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1;havoc f_#t~nondet14#1; 873#L567 assume 0 != f_#t~nondet14#1;havoc f_#t~nondet14#1; 862#L568 [2023-11-06 22:43:20,138 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:20,138 INFO L85 PathProgramCache]: Analyzing trace with hash -260778639, now seen corresponding path program 1 times [2023-11-06 22:43:20,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:20,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545488570] [2023-11-06 22:43:20,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:20,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:20,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:43:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:20,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:43:20,179 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:20,179 INFO L85 PathProgramCache]: Analyzing trace with hash 69174960, now seen corresponding path program 1 times [2023-11-06 22:43:20,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:20,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271791240] [2023-11-06 22:43:20,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:20,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:20,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:43:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:20,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:43:20,197 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:20,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1938200384, now seen corresponding path program 1 times [2023-11-06 22:43:20,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:20,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100395939] [2023-11-06 22:43:20,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:20,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:21,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:21,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100395939] [2023-11-06 22:43:21,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100395939] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:43:21,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804971975] [2023-11-06 22:43:21,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:21,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:21,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:21,041 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:21,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2023-11-06 22:43:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:21,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-06 22:43:21,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:21,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,253 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 36 [2023-11-06 22:43:21,277 INFO L322 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-06 22:43:21,278 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 53 [2023-11-06 22:43:21,915 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 59 [2023-11-06 22:43:21,927 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2023-11-06 22:43:22,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:22,000 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:43:22,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:22,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804971975] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:43:22,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:43:22,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2023-11-06 22:43:22,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448324315] [2023-11-06 22:43:22,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:43:22,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:22,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:43:22,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=63, Unknown=3, NotChecked=0, Total=90 [2023-11-06 22:43:22,736 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. cyclomatic complexity: 11 Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:23,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:23,371 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2023-11-06 22:43:23,371 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 54 transitions. [2023-11-06 22:43:23,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:43:23,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 22 states and 24 transitions. [2023-11-06 22:43:23,373 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-06 22:43:23,373 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-06 22:43:23,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2023-11-06 22:43:23,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:43:23,373 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 24 transitions. [2023-11-06 22:43:23,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2023-11-06 22:43:23,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19. [2023-11-06 22:43:23,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.105263157894737) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:23,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2023-11-06 22:43:23,376 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-06 22:43:23,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:43:23,376 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-06 22:43:23,377 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-06 22:43:23,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2023-11-06 22:43:23,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:43:23,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:43:23,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:43:23,378 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:23,378 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-06 22:43:23,379 INFO L748 eck$LassoCheckResult]: Stem: 1049#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1050#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1;havoc main_#t~nondet21#1; 1047#L578 assume !(0 != main_#t~nondet21#1);havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem10#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 1048#L558-1 assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1; 1045#L562-5 call f_#t~mem8#1 := read~int(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 1046#L562-3 assume !(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1; 1041#L567-5 call f_#t~mem11#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 1042#L566-5 assume f_#t~short13#1;call f_#t~mem12#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0; 1039#L566-7 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1;havoc f_#t~nondet14#1; 1040#L567-3 assume !(0 != f_#t~nondet14#1);havoc f_#t~nondet14#1;call f_#t~mem19#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);call f_#t~mem20#1 := read~int(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(f_#t~mem19#1 - f_#t~mem20#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~mem19#1;havoc f_#t~mem20#1; 1043#L567-5 call f_#t~mem11#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 1044#L566-5 assume f_#t~short13#1;call f_#t~mem12#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0; 1037#L566-7 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1;havoc f_#t~nondet14#1; 1038#L567-3 assume 0 != f_#t~nondet14#1;havoc f_#t~nondet14#1; 1051#L568-1 [2023-11-06 22:43:23,379 INFO L750 eck$LassoCheckResult]: Loop: 1051#L568-1 call f_#t~mem15#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);call f_#t~mem16#1 := read~int(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(f_#t~mem15#1 - f_#t~mem16#1, f_~x~0#1.base, f_~x~0#1.offset, 4);havoc f_#t~mem15#1;havoc f_#t~mem16#1;havoc f_#t~nondet17#1;call write~int(f_#t~nondet17#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~nondet17#1;call f_#t~mem18#1 := read~int(f_~z~0#1.base, f_~z~0#1.offset, 4);call write~int(f_#t~mem18#1 - 1, f_~z~0#1.base, f_~z~0#1.offset, 4);havoc f_#t~mem18#1; 1052#L567-5 call f_#t~mem11#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 1053#L566-5 assume f_#t~short13#1;call f_#t~mem12#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0; 1055#L566-7 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1;havoc f_#t~nondet14#1; 1054#L567-3 assume 0 != f_#t~nondet14#1;havoc f_#t~nondet14#1; 1051#L568-1 [2023-11-06 22:43:23,379 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:23,379 INFO L85 PathProgramCache]: Analyzing trace with hash -889160933, now seen corresponding path program 1 times [2023-11-06 22:43:23,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:23,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407901413] [2023-11-06 22:43:23,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:23,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:24,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:24,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407901413] [2023-11-06 22:43:24,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407901413] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:43:24,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878117233] [2023-11-06 22:43:24,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:24,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:24,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:24,193 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:24,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00cc23a-1672-45bd-aacb-6a5bfcb5aef4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2023-11-06 22:43:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-06 22:43:24,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:24,384 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 91 [2023-11-06 22:43:24,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:24,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:24,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:24,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:24,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:24,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:28,687 INFO L322 Elim1Store]: treesize reduction 1032, result has 21.5 percent of original size [2023-11-06 22:43:28,687 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 10 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 14 new quantified variables, introduced 43 case distinctions, treesize of input 1182 treesize of output 1889 [2023-11-06 22:43:29,237 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 36 [2023-11-06 22:43:29,630 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:43:29,630 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 160 treesize of output 164 [2023-11-06 22:43:31,092 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2023-11-06 22:43:35,141 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,149 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,150 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,161 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,162 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,171 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,172 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,211 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,211 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,212 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,231 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,250 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,263 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,276 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,305 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,306 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,307 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,308 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,308 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,309 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,310 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,310 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,311 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,312 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:35,312 INFO L217 Elim1Store]: Index analysis took 179 ms [2023-11-06 22:43:35,322 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 501 [2023-11-06 22:43:36,489 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:36,602 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:36,733 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:36,733 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:36,801 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:36,885 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:36,897 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:36,933 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:36,998 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:37,006 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:37,131 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:37,236 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:37,244 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:37,244 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:37,262 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:37,286 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:37,372 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:43:37,383 INFO L217 Elim1Store]: Index analysis took 1091 ms [2023-11-06 22:43:37,690 INFO L322 Elim1Store]: treesize reduction 269, result has 5.9 percent of original size [2023-11-06 22:43:37,691 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 29 case distinctions, treesize of input 197 treesize of output 527 [2023-11-06 22:43:38,806 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 32 [2023-11-06 22:44:02,427 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16940 treesize of output 16669