./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80f9a5324ebd6f7f9b0f4370bb23b9787fd1aa3c807ea310f755bbaf1b53f47a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:52:44,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:52:44,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:52:44,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:52:44,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:52:44,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:52:44,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:52:44,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:52:44,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:52:44,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:52:44,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:52:44,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:52:44,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:52:44,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:52:44,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:52:44,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:52:44,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:52:44,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:52:44,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:52:44,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:52:44,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:52:44,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:52:44,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:52:44,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:52:44,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:52:44,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:52:44,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:52:44,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:52:44,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:52:44,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:52:44,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:52:44,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:52:44,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:52:44,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:52:44,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:52:44,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:52:44,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:52:44,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:52:44,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:52:44,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:52:44,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:52:44,159 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 08:52:44,191 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:52:44,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:52:44,192 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:52:44,192 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:52:44,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:52:44,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:52:44,195 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:52:44,195 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 08:52:44,196 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 08:52:44,196 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 08:52:44,196 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 08:52:44,197 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 08:52:44,197 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 08:52:44,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:52:44,198 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:52:44,198 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:52:44,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:52:44,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:52:44,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:52:44,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 08:52:44,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 08:52:44,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 08:52:44,200 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:52:44,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:52:44,201 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 08:52:44,201 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:52:44,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 08:52:44,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:52:44,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:52:44,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:52:44,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:52:44,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:52:44,205 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 08:52:44,205 INFO L138 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_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80f9a5324ebd6f7f9b0f4370bb23b9787fd1aa3c807ea310f755bbaf1b53f47a [2021-10-28 08:52:44,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:52:44,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:52:44,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:52:44,630 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:52:44,631 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:52:44,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c [2021-10-28 08:52:44,709 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/data/c14ff4f3a/172f74482c8d4979b71e5eb966e5ab24/FLAG0e7734bbf [2021-10-28 08:52:45,389 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:52:45,390 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c [2021-10-28 08:52:45,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/data/c14ff4f3a/172f74482c8d4979b71e5eb966e5ab24/FLAG0e7734bbf [2021-10-28 08:52:45,617 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/data/c14ff4f3a/172f74482c8d4979b71e5eb966e5ab24 [2021-10-28 08:52:45,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:52:45,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:52:45,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:52:45,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:52:45,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:52:45,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:52:45" (1/1) ... [2021-10-28 08:52:45,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b75df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:45, skipping insertion in model container [2021-10-28 08:52:45,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:52:45" (1/1) ... [2021-10-28 08:52:45,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:52:45,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:52:46,182 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c[30998,31011] [2021-10-28 08:52:46,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:52:46,211 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:52:46,411 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c[30998,31011] [2021-10-28 08:52:46,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:52:46,432 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:52:46,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:46 WrapperNode [2021-10-28 08:52:46,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:52:46,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:52:46,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:52:46,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:52:46,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:46" (1/1) ... [2021-10-28 08:52:46,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:46" (1/1) ... [2021-10-28 08:52:46,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:52:46,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:52:46,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:52:46,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:52:46,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:46" (1/1) ... [2021-10-28 08:52:46,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:46" (1/1) ... [2021-10-28 08:52:46,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:46" (1/1) ... [2021-10-28 08:52:46,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:46" (1/1) ... [2021-10-28 08:52:46,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:46" (1/1) ... [2021-10-28 08:52:46,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:46" (1/1) ... [2021-10-28 08:52:46,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:46" (1/1) ... [2021-10-28 08:52:46,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:52:46,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:52:46,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:52:46,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:52:46,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:46" (1/1) ... [2021-10-28 08:52:46,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:46,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:46,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:46,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 08:52:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:52:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:52:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:52:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:52:48,475 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:52:48,475 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2021-10-28 08:52:48,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:52:48 BoogieIcfgContainer [2021-10-28 08:52:48,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:52:48,480 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 08:52:48,480 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 08:52:48,487 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 08:52:48,502 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:52:48,502 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 08:52:45" (1/3) ... [2021-10-28 08:52:48,503 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66b253fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:52:48, skipping insertion in model container [2021-10-28 08:52:48,504 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:52:48,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:46" (2/3) ... [2021-10-28 08:52:48,504 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66b253fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:52:48, skipping insertion in model container [2021-10-28 08:52:48,504 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:52:48,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:52:48" (3/3) ... [2021-10-28 08:52:48,506 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c [2021-10-28 08:52:48,595 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 08:52:48,596 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 08:52:48,596 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 08:52:48,596 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 08:52:48,596 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 08:52:48,597 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 08:52:48,597 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 08:52:48,597 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 08:52:48,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 323 states, 322 states have (on average 1.8043478260869565) internal successors, (581), 322 states have internal predecessors, (581), 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) [2021-10-28 08:52:48,715 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 123 [2021-10-28 08:52:48,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:52:48,716 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:52:48,731 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:52:48,731 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:52:48,731 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 08:52:48,756 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 323 states, 322 states have (on average 1.8043478260869565) internal successors, (581), 322 states have internal predecessors, (581), 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) [2021-10-28 08:52:48,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 123 [2021-10-28 08:52:48,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:52:48,777 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:52:48,783 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:52:48,783 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:52:48,795 INFO L791 eck$LassoCheckResult]: Stem: 305#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(43);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 0; 218#L-1true havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~ret63, main_#t~ret64, main_#t~post65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet19;havoc main_#t~nondet19;~ep13~0 := main_#t~nondet20;havoc main_#t~nondet20;~ep14~0 := main_#t~nondet21;havoc main_#t~nondet21;~ep21~0 := main_#t~nondet22;havoc main_#t~nondet22;~ep23~0 := main_#t~nondet23;havoc main_#t~nondet23;~ep24~0 := main_#t~nondet24;havoc main_#t~nondet24;~ep31~0 := main_#t~nondet25;havoc main_#t~nondet25;~ep32~0 := main_#t~nondet26;havoc main_#t~nondet26;~ep34~0 := main_#t~nondet27;havoc main_#t~nondet27;~ep41~0 := main_#t~nondet28;havoc main_#t~nondet28;~ep42~0 := main_#t~nondet29;havoc main_#t~nondet29;~ep43~0 := main_#t~nondet30;havoc main_#t~nondet30;~id1~0 := main_#t~nondet31;havoc main_#t~nondet31;~r1~0 := main_#t~nondet32;havoc main_#t~nondet32;~st1~0 := main_#t~nondet33;havoc main_#t~nondet33;~nl1~0 := main_#t~nondet34;havoc main_#t~nondet34;~m1~0 := main_#t~nondet35;havoc main_#t~nondet35;~max1~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode1~0 := main_#t~nondet37;havoc main_#t~nondet37;~newmax1~0 := main_#t~nondet38;havoc main_#t~nondet38;~id2~0 := main_#t~nondet39;havoc main_#t~nondet39;~r2~0 := main_#t~nondet40;havoc main_#t~nondet40;~st2~0 := main_#t~nondet41;havoc main_#t~nondet41;~nl2~0 := main_#t~nondet42;havoc main_#t~nondet42;~m2~0 := main_#t~nondet43;havoc main_#t~nondet43;~max2~0 := main_#t~nondet44;havoc main_#t~nondet44;~mode2~0 := main_#t~nondet45;havoc main_#t~nondet45;~newmax2~0 := main_#t~nondet46;havoc main_#t~nondet46;~id3~0 := main_#t~nondet47;havoc main_#t~nondet47;~r3~0 := main_#t~nondet48;havoc main_#t~nondet48;~st3~0 := main_#t~nondet49;havoc main_#t~nondet49;~nl3~0 := main_#t~nondet50;havoc main_#t~nondet50;~m3~0 := main_#t~nondet51;havoc main_#t~nondet51;~max3~0 := main_#t~nondet52;havoc main_#t~nondet52;~mode3~0 := main_#t~nondet53;havoc main_#t~nondet53;~newmax3~0 := main_#t~nondet54;havoc main_#t~nondet54;~id4~0 := main_#t~nondet55;havoc main_#t~nondet55;~r4~0 := main_#t~nondet56;havoc main_#t~nondet56;~st4~0 := main_#t~nondet57;havoc main_#t~nondet57;~nl4~0 := main_#t~nondet58;havoc main_#t~nondet58;~m4~0 := main_#t~nondet59;havoc main_#t~nondet59;~max4~0 := main_#t~nondet60;havoc main_#t~nondet60;~mode4~0 := main_#t~nondet61;havoc main_#t~nondet61;~newmax4~0 := main_#t~nondet62;havoc main_#t~nondet62;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r141~0, init_~r211~0, init_~r231~0, init_~r241~0, init_~r311~0, init_~r321~0, init_~r341~0, init_~r411~0, init_~r421~0, init_~r431~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r142~0, init_~tmp___1~0, init_~r212~0, init_~tmp___2~0, init_~r232~0, init_~tmp___3~0, init_~r242~0, init_~tmp___4~0, init_~r312~0, init_~tmp___5~0, init_~r322~0, init_~tmp___6~0, init_~r342~0, init_~tmp___7~0, init_~r412~0, init_~tmp___8~0, init_~r422~0, init_~tmp___9~0, init_~r432~0, init_~tmp___10~0, init_~r123~0, init_~tmp___11~0, init_~r133~0, init_~tmp___12~0, init_~r143~0, init_~tmp___13~0, init_~r213~0, init_~tmp___14~0, init_~r233~0, init_~tmp___15~0, init_~r243~0, init_~tmp___16~0, init_~r313~0, init_~tmp___17~0, init_~r323~0, init_~tmp___18~0, init_~r343~0, init_~tmp___19~0, init_~r413~0, init_~tmp___20~0, init_~r423~0, init_~tmp___21~0, init_~r433~0, init_~tmp___22~0, init_~tmp___23~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r141~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r241~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r341~0;havoc init_~r411~0;havoc init_~r421~0;havoc init_~r431~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r142~0;havoc init_~tmp___1~0;havoc init_~r212~0;havoc init_~tmp___2~0;havoc init_~r232~0;havoc init_~tmp___3~0;havoc init_~r242~0;havoc init_~tmp___4~0;havoc init_~r312~0;havoc init_~tmp___5~0;havoc init_~r322~0;havoc init_~tmp___6~0;havoc init_~r342~0;havoc init_~tmp___7~0;havoc init_~r412~0;havoc init_~tmp___8~0;havoc init_~r422~0;havoc init_~tmp___9~0;havoc init_~r432~0;havoc init_~tmp___10~0;havoc init_~r123~0;havoc init_~tmp___11~0;havoc init_~r133~0;havoc init_~tmp___12~0;havoc init_~r143~0;havoc init_~tmp___13~0;havoc init_~r213~0;havoc init_~tmp___14~0;havoc init_~r233~0;havoc init_~tmp___15~0;havoc init_~r243~0;havoc init_~tmp___16~0;havoc init_~r313~0;havoc init_~tmp___17~0;havoc init_~r323~0;havoc init_~tmp___18~0;havoc init_~r343~0;havoc init_~tmp___19~0;havoc init_~r413~0;havoc init_~tmp___20~0;havoc init_~r423~0;havoc init_~tmp___21~0;havoc init_~r433~0;havoc init_~tmp___22~0;havoc init_~tmp___23~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r141~0 := ~ep14~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r241~0 := ~ep24~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0;init_~r341~0 := ~ep34~0;init_~r411~0 := ~ep41~0;init_~r421~0 := ~ep42~0;init_~r431~0 := ~ep43~0; 34#L441true assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 253#L452true init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 104#L462true assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 153#L473true init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 285#L483true assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 256#L494true init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 257#L504true assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 60#L515true init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 3#L525true assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 248#L536true init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 54#L546true assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 321#L557true init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 69#L567true assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 225#L578true init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 115#L588true assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 242#L599true init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 101#L609true assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 77#L620true init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 107#L630true assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 220#L641true init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 303#L651true assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 227#L662true init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 141#L672true assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 260#L683true init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 309#L693true assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 239#L704true init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 180#L714true assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 14#L725true init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 315#L735true assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 114#L746true init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 97#L756true assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 290#L767true init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 36#L777true assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 163#L788true init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 224#L798true assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 311#L809true init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 228#L819true assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 286#L830true init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 135#L840true assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 262#L851true init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 205#L861true assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 264#L872true init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 217#L882true assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 102#L893true init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 282#L903true assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 99#L914true init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 268#L924true assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 90#L935true init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 130#L945true assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 230#L945-1true init_#res := init_~tmp___23~0; 13#L1130true main_#t~ret63 := init_#res;main_~i2~0 := main_#t~ret63;havoc main_#t~ret63;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 125#L21true assume !(0 == assume_abort_if_not_~cond); 195#L20true ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0 := 0; 161#L1271-2true [2021-10-28 08:52:48,797 INFO L793 eck$LassoCheckResult]: Loop: 161#L1271-2true assume !!(main_~i2~0 < 8);havoc node1_#t~ite7, node1_#t~ite8, node1_#t~ite9, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 74#L114true assume !(0 != ~mode1~0 % 256); 277#L150true assume !(~r1~0 < 2); 181#L150-1true ~mode1~0 := 1; 61#L114-2true havoc node2_#t~ite10, node2_#t~ite11, node2_#t~ite12, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 41#L178true assume !(0 != ~mode2~0 % 256); 314#L214true assume !(~r2~0 < 3); 105#L214-1true ~mode2~0 := 1; 183#L178-2true havoc node3_#t~ite13, node3_#t~ite14, node3_#t~ite15, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 322#L242true assume !(0 != ~mode3~0 % 256); 169#L278true assume !(~r3~0 < 3); 129#L278-1true ~mode3~0 := 1; 236#L242-2true havoc node4_#t~ite16, node4_#t~ite17, node4_#t~ite18, node4_~newmax~3;havoc node4_~newmax~3;node4_~newmax~3 := 0; 156#L306true assume !(0 != ~mode4~0 % 256); 53#L342true assume !(~r4~0 < 3); 18#L342-1true ~mode4~0 := 1; 64#L306-2true ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 171#L1138true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1 := 0; 199#L1138-1true check_#res := check_~tmp~1; 139#L1190true main_#t~ret64 := check_#res;main_~c1~0 := main_#t~ret64;havoc main_#t~ret64;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 201#L1314true assume !(0 == assert_~arg % 256); 289#L1309true main_#t~post65 := main_~i2~0;main_~i2~0 := 1 + main_#t~post65;havoc main_#t~post65; 161#L1271-2true [2021-10-28 08:52:48,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:52:48,807 INFO L85 PathProgramCache]: Analyzing trace with hash 2064134942, now seen corresponding path program 1 times [2021-10-28 08:52:48,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:52:48,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940842041] [2021-10-28 08:52:48,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:52:48,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:52:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:52:49,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:52:49,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:52:49,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940842041] [2021-10-28 08:52:49,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940842041] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:52:49,344 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:52:49,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:52:49,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509540001] [2021-10-28 08:52:49,367 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:52:49,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:52:49,368 INFO L85 PathProgramCache]: Analyzing trace with hash -340497803, now seen corresponding path program 1 times [2021-10-28 08:52:49,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:52:49,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404980730] [2021-10-28 08:52:49,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:52:49,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:52:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:52:49,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:52:49,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:52:49,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404980730] [2021-10-28 08:52:49,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404980730] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:52:49,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:52:49,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:52:49,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299492453] [2021-10-28 08:52:49,569 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 08:52:49,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:52:49,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:52:49,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:52:49,594 INFO L87 Difference]: Start difference. First operand has 323 states, 322 states have (on average 1.8043478260869565) internal successors, (581), 322 states have internal predecessors, (581), 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, 5 states have (on average 4.4) internal successors, (22), 5 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) [2021-10-28 08:52:49,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:52:49,737 INFO L93 Difference]: Finished difference Result 327 states and 581 transitions. [2021-10-28 08:52:49,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:52:49,740 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 327 states and 581 transitions. [2021-10-28 08:52:49,752 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 122 [2021-10-28 08:52:49,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 327 states to 318 states and 564 transitions. [2021-10-28 08:52:49,765 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 318 [2021-10-28 08:52:49,767 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 318 [2021-10-28 08:52:49,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 318 states and 564 transitions. [2021-10-28 08:52:49,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:52:49,772 INFO L681 BuchiCegarLoop]: Abstraction has 318 states and 564 transitions. [2021-10-28 08:52:49,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states and 564 transitions. [2021-10-28 08:52:49,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2021-10-28 08:52:49,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 318 states have (on average 1.7735849056603774) internal successors, (564), 317 states have internal predecessors, (564), 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) [2021-10-28 08:52:49,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 564 transitions. [2021-10-28 08:52:49,834 INFO L704 BuchiCegarLoop]: Abstraction has 318 states and 564 transitions. [2021-10-28 08:52:49,834 INFO L587 BuchiCegarLoop]: Abstraction has 318 states and 564 transitions. [2021-10-28 08:52:49,835 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 08:52:49,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 318 states and 564 transitions. [2021-10-28 08:52:49,840 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 122 [2021-10-28 08:52:49,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:52:49,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:52:49,845 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:52:49,845 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:52:49,846 INFO L791 eck$LassoCheckResult]: Stem: 984#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(43);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 0; 965#L-1 havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~ret63, main_#t~ret64, main_#t~post65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet19;havoc main_#t~nondet19;~ep13~0 := main_#t~nondet20;havoc main_#t~nondet20;~ep14~0 := main_#t~nondet21;havoc main_#t~nondet21;~ep21~0 := main_#t~nondet22;havoc main_#t~nondet22;~ep23~0 := main_#t~nondet23;havoc main_#t~nondet23;~ep24~0 := main_#t~nondet24;havoc main_#t~nondet24;~ep31~0 := main_#t~nondet25;havoc main_#t~nondet25;~ep32~0 := main_#t~nondet26;havoc main_#t~nondet26;~ep34~0 := main_#t~nondet27;havoc main_#t~nondet27;~ep41~0 := main_#t~nondet28;havoc main_#t~nondet28;~ep42~0 := main_#t~nondet29;havoc main_#t~nondet29;~ep43~0 := main_#t~nondet30;havoc main_#t~nondet30;~id1~0 := main_#t~nondet31;havoc main_#t~nondet31;~r1~0 := main_#t~nondet32;havoc main_#t~nondet32;~st1~0 := main_#t~nondet33;havoc main_#t~nondet33;~nl1~0 := main_#t~nondet34;havoc main_#t~nondet34;~m1~0 := main_#t~nondet35;havoc main_#t~nondet35;~max1~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode1~0 := main_#t~nondet37;havoc main_#t~nondet37;~newmax1~0 := main_#t~nondet38;havoc main_#t~nondet38;~id2~0 := main_#t~nondet39;havoc main_#t~nondet39;~r2~0 := main_#t~nondet40;havoc main_#t~nondet40;~st2~0 := main_#t~nondet41;havoc main_#t~nondet41;~nl2~0 := main_#t~nondet42;havoc main_#t~nondet42;~m2~0 := main_#t~nondet43;havoc main_#t~nondet43;~max2~0 := main_#t~nondet44;havoc main_#t~nondet44;~mode2~0 := main_#t~nondet45;havoc main_#t~nondet45;~newmax2~0 := main_#t~nondet46;havoc main_#t~nondet46;~id3~0 := main_#t~nondet47;havoc main_#t~nondet47;~r3~0 := main_#t~nondet48;havoc main_#t~nondet48;~st3~0 := main_#t~nondet49;havoc main_#t~nondet49;~nl3~0 := main_#t~nondet50;havoc main_#t~nondet50;~m3~0 := main_#t~nondet51;havoc main_#t~nondet51;~max3~0 := main_#t~nondet52;havoc main_#t~nondet52;~mode3~0 := main_#t~nondet53;havoc main_#t~nondet53;~newmax3~0 := main_#t~nondet54;havoc main_#t~nondet54;~id4~0 := main_#t~nondet55;havoc main_#t~nondet55;~r4~0 := main_#t~nondet56;havoc main_#t~nondet56;~st4~0 := main_#t~nondet57;havoc main_#t~nondet57;~nl4~0 := main_#t~nondet58;havoc main_#t~nondet58;~m4~0 := main_#t~nondet59;havoc main_#t~nondet59;~max4~0 := main_#t~nondet60;havoc main_#t~nondet60;~mode4~0 := main_#t~nondet61;havoc main_#t~nondet61;~newmax4~0 := main_#t~nondet62;havoc main_#t~nondet62;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r141~0, init_~r211~0, init_~r231~0, init_~r241~0, init_~r311~0, init_~r321~0, init_~r341~0, init_~r411~0, init_~r421~0, init_~r431~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r142~0, init_~tmp___1~0, init_~r212~0, init_~tmp___2~0, init_~r232~0, init_~tmp___3~0, init_~r242~0, init_~tmp___4~0, init_~r312~0, init_~tmp___5~0, init_~r322~0, init_~tmp___6~0, init_~r342~0, init_~tmp___7~0, init_~r412~0, init_~tmp___8~0, init_~r422~0, init_~tmp___9~0, init_~r432~0, init_~tmp___10~0, init_~r123~0, init_~tmp___11~0, init_~r133~0, init_~tmp___12~0, init_~r143~0, init_~tmp___13~0, init_~r213~0, init_~tmp___14~0, init_~r233~0, init_~tmp___15~0, init_~r243~0, init_~tmp___16~0, init_~r313~0, init_~tmp___17~0, init_~r323~0, init_~tmp___18~0, init_~r343~0, init_~tmp___19~0, init_~r413~0, init_~tmp___20~0, init_~r423~0, init_~tmp___21~0, init_~r433~0, init_~tmp___22~0, init_~tmp___23~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r141~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r241~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r341~0;havoc init_~r411~0;havoc init_~r421~0;havoc init_~r431~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r142~0;havoc init_~tmp___1~0;havoc init_~r212~0;havoc init_~tmp___2~0;havoc init_~r232~0;havoc init_~tmp___3~0;havoc init_~r242~0;havoc init_~tmp___4~0;havoc init_~r312~0;havoc init_~tmp___5~0;havoc init_~r322~0;havoc init_~tmp___6~0;havoc init_~r342~0;havoc init_~tmp___7~0;havoc init_~r412~0;havoc init_~tmp___8~0;havoc init_~r422~0;havoc init_~tmp___9~0;havoc init_~r432~0;havoc init_~tmp___10~0;havoc init_~r123~0;havoc init_~tmp___11~0;havoc init_~r133~0;havoc init_~tmp___12~0;havoc init_~r143~0;havoc init_~tmp___13~0;havoc init_~r213~0;havoc init_~tmp___14~0;havoc init_~r233~0;havoc init_~tmp___15~0;havoc init_~r243~0;havoc init_~tmp___16~0;havoc init_~r313~0;havoc init_~tmp___17~0;havoc init_~r323~0;havoc init_~tmp___18~0;havoc init_~r343~0;havoc init_~tmp___19~0;havoc init_~r413~0;havoc init_~tmp___20~0;havoc init_~r423~0;havoc init_~tmp___21~0;havoc init_~r433~0;havoc init_~tmp___22~0;havoc init_~tmp___23~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r141~0 := ~ep14~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r241~0 := ~ep24~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0;init_~r341~0 := ~ep34~0;init_~r411~0 := ~ep41~0;init_~r421~0 := ~ep42~0;init_~r431~0 := ~ep43~0; 743#L441 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 744#L452 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 858#L462 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 825#L473 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 911#L483 assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 950#L494 init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 978#L504 assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 765#L515 init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 671#L525 assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 672#L536 init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 780#L546 assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 781#L557 init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 805#L567 assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 806#L578 init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 870#L588 assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 724#L599 init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 856#L609 assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 788#L620 init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 823#L630 assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 763#L641 init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 967#L651 assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 726#L662 init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 900#L672 assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 901#L683 init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 979#L693 assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 714#L704 init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 939#L714 assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 700#L725 init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 701#L735 assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 675#L746 init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 849#L756 assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 691#L767 init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 746#L777 assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 747#L788 init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 921#L798 assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 889#L809 init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 970#L819 assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 934#L830 init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 893#L840 assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 848#L851 init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 958#L861 assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 794#L872 init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 964#L882 assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 771#L893 init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 857#L903 assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 852#L914 init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 853#L924 assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 838#L935 init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 839#L945 assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 682#L945-1 init_#res := init_~tmp___23~0; 693#L1130 main_#t~ret63 := init_#res;main_~i2~0 := main_#t~ret63;havoc main_#t~ret63;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 694#L21 assume !(0 == assume_abort_if_not_~cond); 882#L20 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0 := 0; 920#L1271-2 [2021-10-28 08:52:49,847 INFO L793 eck$LassoCheckResult]: Loop: 920#L1271-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite7, node1_#t~ite8, node1_#t~ite9, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 814#L114 assume !(0 != ~mode1~0 % 256); 815#L150 assume !(~r1~0 < 2); 810#L150-1 ~mode1~0 := 1; 792#L114-2 havoc node2_#t~ite10, node2_#t~ite11, node2_#t~ite12, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 754#L178 assume !(0 != ~mode2~0 % 256); 755#L214 assume !(~r2~0 < 3); 711#L214-1 ~mode2~0 := 1; 860#L178-2 havoc node3_#t~ite13, node3_#t~ite14, node3_#t~ite15, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 941#L242 assume !(0 != ~mode3~0 % 256); 927#L278 assume !(~r3~0 < 3); 829#L278-1 ~mode3~0 := 1; 881#L242-2 havoc node4_#t~ite16, node4_#t~ite17, node4_#t~ite18, node4_~newmax~3;havoc node4_~newmax~3;node4_~newmax~3 := 0; 914#L306 assume !(0 != ~mode4~0 % 256); 776#L342 assume !(~r4~0 < 3); 704#L342-1 ~mode4~0 := 1; 705#L306-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 797#L1138 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 929#L1139 assume ~st1~0 + ~nl1~0 <= 1; 966#L1140 assume ~st2~0 + ~nl2~0 <= 1; 931#L1141 assume ~st3~0 + ~nl3~0 <= 1; 932#L1142 assume ~st4~0 + ~nl4~0 <= 1; 861#L1143 assume ~r1~0 >= 3; 732#L1147 assume ~r1~0 < 3; 733#L1152 assume ~r1~0 >= 3; 906#L1157 assume ~r1~0 < 3;check_~tmp~1 := 1; 908#L1138-1 check_#res := check_~tmp~1; 897#L1190 main_#t~ret64 := check_#res;main_~c1~0 := main_#t~ret64;havoc main_#t~ret64;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 898#L1314 assume !(0 == assert_~arg % 256); 953#L1309 main_#t~post65 := main_~i2~0;main_~i2~0 := 1 + main_#t~post65;havoc main_#t~post65; 920#L1271-2 [2021-10-28 08:52:49,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:52:49,849 INFO L85 PathProgramCache]: Analyzing trace with hash 2064134942, now seen corresponding path program 2 times [2021-10-28 08:52:49,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:52:49,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899767577] [2021-10-28 08:52:49,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:52:49,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:52:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:52:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:52:50,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:52:50,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899767577] [2021-10-28 08:52:50,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899767577] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:52:50,026 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:52:50,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:52:50,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689766310] [2021-10-28 08:52:50,027 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:52:50,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:52:50,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1528981060, now seen corresponding path program 1 times [2021-10-28 08:52:50,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:52:50,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785031033] [2021-10-28 08:52:50,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:52:50,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:52:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:52:50,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:52:50,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:52:50,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785031033] [2021-10-28 08:52:50,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785031033] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:52:50,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:52:50,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:52:50,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395359949] [2021-10-28 08:52:50,113 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 08:52:50,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:52:50,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:52:50,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:52:50,117 INFO L87 Difference]: Start difference. First operand 318 states and 564 transitions. cyclomatic complexity: 247 Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2021-10-28 08:52:50,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:52:50,206 INFO L93 Difference]: Finished difference Result 415 states and 719 transitions. [2021-10-28 08:52:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:52:50,207 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 415 states and 719 transitions. [2021-10-28 08:52:50,213 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 219 [2021-10-28 08:52:50,223 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 415 states to 415 states and 719 transitions. [2021-10-28 08:52:50,223 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 415 [2021-10-28 08:52:50,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 415 [2021-10-28 08:52:50,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 415 states and 719 transitions. [2021-10-28 08:52:50,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:52:50,238 INFO L681 BuchiCegarLoop]: Abstraction has 415 states and 719 transitions. [2021-10-28 08:52:50,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states and 719 transitions. [2021-10-28 08:52:50,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2021-10-28 08:52:50,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 415 states have (on average 1.7325301204819277) internal successors, (719), 414 states have internal predecessors, (719), 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) [2021-10-28 08:52:50,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 719 transitions. [2021-10-28 08:52:50,273 INFO L704 BuchiCegarLoop]: Abstraction has 415 states and 719 transitions. [2021-10-28 08:52:50,273 INFO L587 BuchiCegarLoop]: Abstraction has 415 states and 719 transitions. [2021-10-28 08:52:50,273 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 08:52:50,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 415 states and 719 transitions. [2021-10-28 08:52:50,278 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 219 [2021-10-28 08:52:50,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:52:50,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:52:50,281 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:52:50,281 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:52:50,282 INFO L791 eck$LassoCheckResult]: Stem: 1747#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(43);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 0; 1717#L-1 havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~ret63, main_#t~ret64, main_#t~post65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet19;havoc main_#t~nondet19;~ep13~0 := main_#t~nondet20;havoc main_#t~nondet20;~ep14~0 := main_#t~nondet21;havoc main_#t~nondet21;~ep21~0 := main_#t~nondet22;havoc main_#t~nondet22;~ep23~0 := main_#t~nondet23;havoc main_#t~nondet23;~ep24~0 := main_#t~nondet24;havoc main_#t~nondet24;~ep31~0 := main_#t~nondet25;havoc main_#t~nondet25;~ep32~0 := main_#t~nondet26;havoc main_#t~nondet26;~ep34~0 := main_#t~nondet27;havoc main_#t~nondet27;~ep41~0 := main_#t~nondet28;havoc main_#t~nondet28;~ep42~0 := main_#t~nondet29;havoc main_#t~nondet29;~ep43~0 := main_#t~nondet30;havoc main_#t~nondet30;~id1~0 := main_#t~nondet31;havoc main_#t~nondet31;~r1~0 := main_#t~nondet32;havoc main_#t~nondet32;~st1~0 := main_#t~nondet33;havoc main_#t~nondet33;~nl1~0 := main_#t~nondet34;havoc main_#t~nondet34;~m1~0 := main_#t~nondet35;havoc main_#t~nondet35;~max1~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode1~0 := main_#t~nondet37;havoc main_#t~nondet37;~newmax1~0 := main_#t~nondet38;havoc main_#t~nondet38;~id2~0 := main_#t~nondet39;havoc main_#t~nondet39;~r2~0 := main_#t~nondet40;havoc main_#t~nondet40;~st2~0 := main_#t~nondet41;havoc main_#t~nondet41;~nl2~0 := main_#t~nondet42;havoc main_#t~nondet42;~m2~0 := main_#t~nondet43;havoc main_#t~nondet43;~max2~0 := main_#t~nondet44;havoc main_#t~nondet44;~mode2~0 := main_#t~nondet45;havoc main_#t~nondet45;~newmax2~0 := main_#t~nondet46;havoc main_#t~nondet46;~id3~0 := main_#t~nondet47;havoc main_#t~nondet47;~r3~0 := main_#t~nondet48;havoc main_#t~nondet48;~st3~0 := main_#t~nondet49;havoc main_#t~nondet49;~nl3~0 := main_#t~nondet50;havoc main_#t~nondet50;~m3~0 := main_#t~nondet51;havoc main_#t~nondet51;~max3~0 := main_#t~nondet52;havoc main_#t~nondet52;~mode3~0 := main_#t~nondet53;havoc main_#t~nondet53;~newmax3~0 := main_#t~nondet54;havoc main_#t~nondet54;~id4~0 := main_#t~nondet55;havoc main_#t~nondet55;~r4~0 := main_#t~nondet56;havoc main_#t~nondet56;~st4~0 := main_#t~nondet57;havoc main_#t~nondet57;~nl4~0 := main_#t~nondet58;havoc main_#t~nondet58;~m4~0 := main_#t~nondet59;havoc main_#t~nondet59;~max4~0 := main_#t~nondet60;havoc main_#t~nondet60;~mode4~0 := main_#t~nondet61;havoc main_#t~nondet61;~newmax4~0 := main_#t~nondet62;havoc main_#t~nondet62;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r141~0, init_~r211~0, init_~r231~0, init_~r241~0, init_~r311~0, init_~r321~0, init_~r341~0, init_~r411~0, init_~r421~0, init_~r431~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r142~0, init_~tmp___1~0, init_~r212~0, init_~tmp___2~0, init_~r232~0, init_~tmp___3~0, init_~r242~0, init_~tmp___4~0, init_~r312~0, init_~tmp___5~0, init_~r322~0, init_~tmp___6~0, init_~r342~0, init_~tmp___7~0, init_~r412~0, init_~tmp___8~0, init_~r422~0, init_~tmp___9~0, init_~r432~0, init_~tmp___10~0, init_~r123~0, init_~tmp___11~0, init_~r133~0, init_~tmp___12~0, init_~r143~0, init_~tmp___13~0, init_~r213~0, init_~tmp___14~0, init_~r233~0, init_~tmp___15~0, init_~r243~0, init_~tmp___16~0, init_~r313~0, init_~tmp___17~0, init_~r323~0, init_~tmp___18~0, init_~r343~0, init_~tmp___19~0, init_~r413~0, init_~tmp___20~0, init_~r423~0, init_~tmp___21~0, init_~r433~0, init_~tmp___22~0, init_~tmp___23~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r141~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r241~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r341~0;havoc init_~r411~0;havoc init_~r421~0;havoc init_~r431~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r142~0;havoc init_~tmp___1~0;havoc init_~r212~0;havoc init_~tmp___2~0;havoc init_~r232~0;havoc init_~tmp___3~0;havoc init_~r242~0;havoc init_~tmp___4~0;havoc init_~r312~0;havoc init_~tmp___5~0;havoc init_~r322~0;havoc init_~tmp___6~0;havoc init_~r342~0;havoc init_~tmp___7~0;havoc init_~r412~0;havoc init_~tmp___8~0;havoc init_~r422~0;havoc init_~tmp___9~0;havoc init_~r432~0;havoc init_~tmp___10~0;havoc init_~r123~0;havoc init_~tmp___11~0;havoc init_~r133~0;havoc init_~tmp___12~0;havoc init_~r143~0;havoc init_~tmp___13~0;havoc init_~r213~0;havoc init_~tmp___14~0;havoc init_~r233~0;havoc init_~tmp___15~0;havoc init_~r243~0;havoc init_~tmp___16~0;havoc init_~r313~0;havoc init_~tmp___17~0;havoc init_~r323~0;havoc init_~tmp___18~0;havoc init_~r343~0;havoc init_~tmp___19~0;havoc init_~r413~0;havoc init_~tmp___20~0;havoc init_~r423~0;havoc init_~tmp___21~0;havoc init_~r433~0;havoc init_~tmp___22~0;havoc init_~tmp___23~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r141~0 := ~ep14~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r241~0 := ~ep24~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0;init_~r341~0 := ~ep34~0;init_~r411~0 := ~ep41~0;init_~r421~0 := ~ep42~0;init_~r431~0 := ~ep43~0; 1484#L441 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 1485#L452 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 1601#L462 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 1568#L473 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 1656#L483 assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 1700#L494 init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 1731#L504 assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 1508#L515 init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 1416#L525 assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 1417#L536 init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 1522#L546 assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 1523#L557 init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 1547#L567 assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 1548#L578 init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 1613#L588 assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 1464#L599 init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 1597#L609 assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 1527#L620 init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 1566#L630 assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 1499#L641 init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 1718#L651 assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 1466#L662 init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 1646#L672 assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 1647#L683 init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 1732#L693 assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 1456#L704 init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 1688#L714 assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 1437#L725 init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 1438#L735 assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 1411#L746 init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 1592#L756 assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 1430#L767 init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 1487#L777 assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 1488#L788 init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 1669#L798 assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 1634#L809 init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 1722#L819 assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 1683#L830 init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 1638#L840 assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 1591#L851 init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 1711#L861 assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 1536#L872 init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 1716#L882 assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 1512#L893 init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 1598#L903 assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 1595#L914 init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 1596#L924 assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 1581#L935 init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 1582#L945 assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 1423#L945-1 init_#res := init_~tmp___23~0; 1435#L1130 main_#t~ret63 := init_#res;main_~i2~0 := main_#t~ret63;havoc main_#t~ret63;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 1436#L21 assume !(0 == assume_abort_if_not_~cond); 1624#L20 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0 := 0; 1701#L1271-2 [2021-10-28 08:52:50,282 INFO L793 eck$LassoCheckResult]: Loop: 1701#L1271-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite7, node1_#t~ite8, node1_#t~ite9, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 1557#L114 assume !(0 != ~mode1~0 % 256); 1558#L150 assume !(~r1~0 < 2); 1552#L150-1 ~mode1~0 := 1; 1792#L114-2 havoc node2_#t~ite10, node2_#t~ite11, node2_#t~ite12, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 1790#L178 assume !(0 != ~mode2~0 % 256); 1788#L214 assume !(~r2~0 < 3); 1783#L214-1 ~mode2~0 := 1; 1781#L178-2 havoc node3_#t~ite13, node3_#t~ite14, node3_#t~ite15, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 1780#L242 assume !(0 != ~mode3~0 % 256); 1675#L278 assume !(~r3~0 < 3); 1572#L278-1 ~mode3~0 := 1; 1769#L242-2 havoc node4_#t~ite16, node4_#t~ite17, node4_#t~ite18, node4_~newmax~3;havoc node4_~newmax~3;node4_~newmax~3 := 0; 1767#L306 assume !(0 != ~mode4~0 % 256); 1764#L342 assume !(~r4~0 < 3); 1759#L342-1 ~mode4~0 := 1; 1757#L306-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1756#L1138 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1754#L1139 assume ~st1~0 + ~nl1~0 <= 1; 1753#L1140 assume ~st2~0 + ~nl2~0 <= 1; 1752#L1141 assume ~st3~0 + ~nl3~0 <= 1; 1736#L1142 assume ~st4~0 + ~nl4~0 <= 1; 1737#L1143 assume !(~r1~0 >= 3); 1665#L1146 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1666#L1147 assume ~r1~0 < 3; 1751#L1152 assume !(~r1~0 >= 3); 1742#L1156 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1743#L1157 assume ~r1~0 < 3;check_~tmp~1 := 1; 1755#L1138-1 check_#res := check_~tmp~1; 1824#L1190 main_#t~ret64 := check_#res;main_~c1~0 := main_#t~ret64;havoc main_#t~ret64;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1823#L1314 assume !(0 == assert_~arg % 256); 1822#L1309 main_#t~post65 := main_~i2~0;main_~i2~0 := 1 + main_#t~post65;havoc main_#t~post65; 1701#L1271-2 [2021-10-28 08:52:50,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:52:50,283 INFO L85 PathProgramCache]: Analyzing trace with hash 2064134942, now seen corresponding path program 3 times [2021-10-28 08:52:50,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:52:50,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245429041] [2021-10-28 08:52:50,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:52:50,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:52:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:52:50,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:52:50,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:52:50,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245429041] [2021-10-28 08:52:50,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245429041] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:52:50,384 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:52:50,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:52:50,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842982772] [2021-10-28 08:52:50,385 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:52:50,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:52:50,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1498997028, now seen corresponding path program 1 times [2021-10-28 08:52:50,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:52:50,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26680357] [2021-10-28 08:52:50,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:52:50,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:52:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:52:50,400 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:52:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:52:50,451 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:52:51,999 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:52:52,000 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:52:52,000 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:52:52,000 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:52:52,000 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 08:52:52,001 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:52,001 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:52:52,001 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:52:52,001 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2021-10-28 08:52:52,001 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:52:52,002 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:52:52,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:52,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,002 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:52:53,003 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 08:52:53,007 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:53,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:53,010 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:53,015 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:52:53,015 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:52:53,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 08:52:53,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:53,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:53,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:53,089 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:53,097 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 08:52:53,097 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:52:53,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 08:52:53,263 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 08:52:53,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-28 08:52:53,268 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:52:53,268 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:52:53,268 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:52:53,268 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:52:53,268 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:52:53,269 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:53,269 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:52:53,269 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:52:53,269 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2021-10-28 08:52:53,269 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:52:53,269 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:52:53,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:53,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:52:54,182 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:52:54,188 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:52:54,190 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:54,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:54,191 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:54,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 08:52:54,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:52:54,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:52:54,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:52:54,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:52:54,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:52:54,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:52:54,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:52:54,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:52:54,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:52:54,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:54,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:54,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:54,252 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:54,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 08:52:54,257 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 [2021-10-28 08:52:54,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:52:54,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:52:54,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:52:54,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:52:54,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:52:54,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:52:54,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:52:54,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:52:54,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:54,338 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:54,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:54,342 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:54,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:52:54,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:52:54,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:52:54,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:52:54,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:52:54,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:52:54,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:52:54,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:52:54,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 08:52:54,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:52:54,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-28 08:52:54,413 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:54,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:54,415 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:54,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 08:52:54,422 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 [2021-10-28 08:52:54,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:52:54,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:52:54,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:52:54,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:52:54,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:52:54,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:52:54,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:52:54,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:52:54,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-28 08:52:54,463 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:54,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:54,464 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:54,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 08:52:54,470 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 [2021-10-28 08:52:54,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:52:54,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:52:54,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:52:54,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:52:54,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:52:54,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:52:54,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:52:54,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:52:54,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:54,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:54,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:54,509 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:54,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 08:52:54,513 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 [2021-10-28 08:52:54,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:52:54,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:52:54,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:52:54,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:52:54,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:52:54,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:52:54,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:52:54,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:52:54,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:54,550 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:54,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:54,552 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:54,562 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 [2021-10-28 08:52:54,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 08:52:54,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:52:54,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:52:54,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:52:54,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:52:54,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:52:54,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:52:54,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:52:54,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:52:54,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:54,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:54,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:54,599 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:54,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 08:52:54,601 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 [2021-10-28 08:52:54,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:52:54,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:52:54,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:52:54,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:52:54,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:52:54,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:52:54,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:52:54,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:52:54,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:54,640 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:54,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:54,643 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:54,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 08:52:54,645 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 [2021-10-28 08:52:54,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:52:54,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:52:54,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:52:54,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:52:54,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:52:54,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:52:54,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:52:54,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:52:54,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:54,684 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:54,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:54,685 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:54,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 08:52:54,687 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 [2021-10-28 08:52:54,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:52:54,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:52:54,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:52:54,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:52:54,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:52:54,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:52:54,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:52:54,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:52:54,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:54,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:54,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:54,780 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:54,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 08:52:54,784 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 [2021-10-28 08:52:54,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:52:54,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:52:54,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:52:54,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:52:54,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:52:54,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:52:54,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:52:54,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:52:54,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:54,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:54,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:54,860 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:54,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 08:52:54,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:52:54,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:52:54,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:52:54,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:52:54,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:52:54,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:52:54,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:52:54,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:52:54,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:52:54,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:54,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:54,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:54,939 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:54,946 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 [2021-10-28 08:52:54,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:52:54,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:52:54,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:52:54,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:52:54,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:52:54,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:52:54,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:52:54,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 08:52:54,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:52:55,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:55,021 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:55,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:55,026 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:55,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 08:52:55,029 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 [2021-10-28 08:52:55,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:52:55,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:52:55,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:52:55,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:52:55,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:52:55,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:52:55,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:52:55,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:52:55,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:55,067 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:55,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:55,068 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:55,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 08:52:55,069 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 [2021-10-28 08:52:55,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:52:55,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:52:55,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:52:55,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:52:55,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:52:55,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:52:55,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:52:55,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:52:55,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:55,105 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:55,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:55,113 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:55,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 08:52:55,115 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 [2021-10-28 08:52:55,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:52:55,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:52:55,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:52:55,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:52:55,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:52:55,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:52:55,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:52:55,129 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:52:55,137 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 08:52:55,137 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 08:52:55,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:52:55,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:55,142 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:55,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 08:52:55,175 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:52:55,175 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 08:52:55,175 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:52:55,176 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 15 Supporting invariants [] [2021-10-28 08:52:55,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:55,202 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 08:52:55,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:52:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:52:55,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:52:55,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:52:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:52:55,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:52:55,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:52:56,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:52:56,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 08:52:56,091 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 08:52:56,092 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 415 states and 719 transitions. cyclomatic complexity: 305 Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2021-10-28 08:52:56,185 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 415 states and 719 transitions. cyclomatic complexity: 305. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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 633 states and 1076 transitions. Complement of second has 4 states. [2021-10-28 08:52:56,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 08:52:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2021-10-28 08:52:56,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 564 transitions. [2021-10-28 08:52:56,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 564 transitions. Stem has 55 letters. Loop has 32 letters. [2021-10-28 08:52:56,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:52:56,192 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 564 transitions. Stem has 87 letters. Loop has 32 letters. [2021-10-28 08:52:56,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:52:56,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 564 transitions. Stem has 55 letters. Loop has 64 letters. [2021-10-28 08:52:56,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:52:56,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 633 states and 1076 transitions. [2021-10-28 08:52:56,204 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:52:56,204 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 633 states to 0 states and 0 transitions. [2021-10-28 08:52:56,204 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 08:52:56,204 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 08:52:56,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 08:52:56,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:52:56,205 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:52:56,205 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:52:56,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:52:56,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:52:56,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:52:56,206 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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) [2021-10-28 08:52:56,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:52:56,206 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-28 08:52:56,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 08:52:56,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-28 08:52:56,207 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:52:56,207 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:52:56,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 08:52:56,207 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 08:52:56,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 08:52:56,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:52:56,207 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:52:56,207 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:52:56,208 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:52:56,208 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 08:52:56,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:52:56,208 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:52:56,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 08:52:56,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 08:52:56 BoogieIcfgContainer [2021-10-28 08:52:56,215 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 08:52:56,216 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:52:56,216 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:52:56,216 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:52:56,217 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:52:48" (3/4) ... [2021-10-28 08:52:56,220 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 08:52:56,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:52:56,222 INFO L168 Benchmark]: Toolchain (without parser) took 10598.72 ms. Allocated memory was 100.7 MB in the beginning and 188.7 MB in the end (delta: 88.1 MB). Free memory was 64.3 MB in the beginning and 137.5 MB in the end (delta: -73.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2021-10-28 08:52:56,223 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 100.7 MB. Free memory is still 81.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:52:56,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.37 ms. Allocated memory is still 100.7 MB. Free memory was 64.1 MB in the beginning and 64.6 MB in the end (delta: -488.6 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:52:56,224 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.25 ms. Allocated memory is still 100.7 MB. Free memory was 64.6 MB in the beginning and 59.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:52:56,225 INFO L168 Benchmark]: Boogie Preprocessor took 141.90 ms. Allocated memory is still 100.7 MB. Free memory was 59.6 MB in the beginning and 55.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:52:56,225 INFO L168 Benchmark]: RCFGBuilder took 1737.19 ms. Allocated memory is still 100.7 MB. Free memory was 55.4 MB in the beginning and 43.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2021-10-28 08:52:56,226 INFO L168 Benchmark]: BuchiAutomizer took 7735.30 ms. Allocated memory was 100.7 MB in the beginning and 188.7 MB in the end (delta: 88.1 MB). Free memory was 43.1 MB in the beginning and 137.5 MB in the end (delta: -94.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:52:56,226 INFO L168 Benchmark]: Witness Printer took 4.59 ms. Allocated memory is still 188.7 MB. Free memory is still 137.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:52:56,230 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 100.7 MB. Free memory is still 81.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 803.37 ms. Allocated memory is still 100.7 MB. Free memory was 64.1 MB in the beginning and 64.6 MB in the end (delta: -488.6 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 163.25 ms. Allocated memory is still 100.7 MB. Free memory was 64.6 MB in the beginning and 59.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 141.90 ms. Allocated memory is still 100.7 MB. Free memory was 59.6 MB in the beginning and 55.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1737.19 ms. Allocated memory is still 100.7 MB. Free memory was 55.4 MB in the beginning and 43.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 7735.30 ms. Allocated memory was 100.7 MB in the beginning and 188.7 MB in the end (delta: 88.1 MB). Free memory was 43.1 MB in the beginning and 137.5 MB in the end (delta: -94.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.59 ms. Allocated memory is still 188.7 MB. Free memory is still 137.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 15 + -2 * i2 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.9s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 415 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1843 SDtfs, 724 SDslu, 2457 SDs, 0 SdLazy, 36 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital190 mio100 ax100 hnf100 lsp38 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 08:52:56,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0c740c-8ed3-4d56-828e-54bfc244da89/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...