./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt --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 60a24c4f5e174a9ae46b1f077c5e18d0598bd760 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: line 91119 column 2933: unknown constant v_DerPreprocessor_5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:58:16,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:58:16,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:58:16,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:58:16,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:58:16,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:58:16,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:58:16,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:58:16,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:58:16,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:58:16,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:58:16,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:58:16,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:58:16,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:58:16,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:58:16,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:58:16,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:58:16,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:58:16,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:58:16,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:58:16,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:58:16,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:58:16,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:58:16,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:58:16,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:58:16,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:58:16,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:58:16,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:58:16,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:58:16,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:58:16,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:58:16,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:58:16,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:58:16,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:58:16,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:58:16,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:58:16,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:58:16,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:58:16,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:58:16,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:58:16,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:58:16,894 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:58:16,935 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:58:16,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:58:16,938 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:58:16,938 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:58:16,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:58:16,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:58:16,941 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:58:16,941 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:58:16,941 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:58:16,942 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:58:16,943 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:58:16,943 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:58:16,943 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:58:16,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:58:16,944 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:58:16,944 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:58:16,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:58:16,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:58:16,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:58:16,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:58:16,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:58:16,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:58:16,946 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:58:16,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:58:16,946 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:58:16,946 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:58:16,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:58:16,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:58:16,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:58:16,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:58:16,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:58:16,950 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:58:16,951 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:58:16,951 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_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60a24c4f5e174a9ae46b1f077c5e18d0598bd760 [2021-10-13 00:58:17,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:58:17,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:58:17,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:58:17,272 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:58:17,275 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:58:17,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2021-10-13 00:58:17,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/data/68dd11560/b984dd12ae4148e2b66e344409267666/FLAG33e09acfc [2021-10-13 00:58:17,898 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:58:17,899 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2021-10-13 00:58:17,914 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/data/68dd11560/b984dd12ae4148e2b66e344409267666/FLAG33e09acfc [2021-10-13 00:58:18,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/data/68dd11560/b984dd12ae4148e2b66e344409267666 [2021-10-13 00:58:18,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:58:18,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:58:18,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:58:18,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:58:18,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:58:18,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:58:18" (1/1) ... [2021-10-13 00:58:18,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c53151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:18, skipping insertion in model container [2021-10-13 00:58:18,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:58:18" (1/1) ... [2021-10-13 00:58:18,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:58:18,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:58:18,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:58:18,679 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:58:18,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:58:18,760 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:58:18,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:18 WrapperNode [2021-10-13 00:58:18,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:58:18,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:58:18,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:58:18,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:58:18,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:18" (1/1) ... [2021-10-13 00:58:18,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:18" (1/1) ... [2021-10-13 00:58:18,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:58:18,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:58:18,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:58:18,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:58:18,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:18" (1/1) ... [2021-10-13 00:58:18,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:18" (1/1) ... [2021-10-13 00:58:18,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:18" (1/1) ... [2021-10-13 00:58:18,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:18" (1/1) ... [2021-10-13 00:58:18,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:18" (1/1) ... [2021-10-13 00:58:18,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:18" (1/1) ... [2021-10-13 00:58:18,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:18" (1/1) ... [2021-10-13 00:58:18,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:58:18,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:58:18,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:58:18,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:58:18,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:18" (1/1) ... [2021-10-13 00:58:18,850 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:18,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:18,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:18,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:58:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-10-13 00:58:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-13 00:58:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-13 00:58:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-13 00:58:18,929 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-13 00:58:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 00:58:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:58:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 00:58:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:58:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 00:58:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:58:18,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-10-13 00:58:18,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:58:18,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:58:19,282 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:58:19,320 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:58:19,320 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 00:58:19,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:58:19 BoogieIcfgContainer [2021-10-13 00:58:19,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:58:19,323 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:58:19,323 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:58:19,327 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:58:19,328 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:58:19,328 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:58:18" (1/3) ... [2021-10-13 00:58:19,330 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@207efae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:58:19, skipping insertion in model container [2021-10-13 00:58:19,330 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:58:19,330 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:18" (2/3) ... [2021-10-13 00:58:19,331 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@207efae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:58:19, skipping insertion in model container [2021-10-13 00:58:19,331 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:58:19,331 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:58:19" (3/3) ... [2021-10-13 00:58:19,332 INFO L389 chiAutomizerObserver]: Analyzing ICFG test-memleak_nexttime.i [2021-10-13 00:58:19,379 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:58:19,379 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:58:19,380 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:58:19,380 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:58:19,380 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:58:19,380 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:58:19,380 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:58:19,380 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:58:19,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-13 00:58:19,418 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2021-10-13 00:58:19,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:58:19,418 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:58:19,425 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 00:58:19,426 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-13 00:58:19,426 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:58:19,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-13 00:58:19,428 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2021-10-13 00:58:19,428 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:58:19,429 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:58:19,429 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 00:58:19,429 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-13 00:58:19,437 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(24);call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 10#L-1true havoc main_#res;havoc main_#t~memcpy~res7.base, main_#t~memcpy~res7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc5.base, foo_#t~malloc5.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);havoc foo_#t~malloc5.base, foo_#t~malloc5.offset; 8#L644true call foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 9##Ultimate.C_memcpyENTRYtrue assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 7#$Ultimate##0true #t~loopctr10 := 0; 5#L-1-1true [2021-10-13 00:58:19,437 INFO L793 eck$LassoCheckResult]: Loop: 5#L-1-1true assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 5#L-1-1true [2021-10-13 00:58:19,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:19,444 INFO L82 PathProgramCache]: Analyzing trace with hash 28715065, now seen corresponding path program 1 times [2021-10-13 00:58:19,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:19,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715391373] [2021-10-13 00:58:19,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:19,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:19,663 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:19,761 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:19,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:19,765 INFO L82 PathProgramCache]: Analyzing trace with hash 48, now seen corresponding path program 1 times [2021-10-13 00:58:19,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:19,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400820011] [2021-10-13 00:58:19,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:19,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:19,790 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:19,819 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:19,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:19,821 INFO L82 PathProgramCache]: Analyzing trace with hash 890167032, now seen corresponding path program 1 times [2021-10-13 00:58:19,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:19,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581318150] [2021-10-13 00:58:19,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:19,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:19,865 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:19,935 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:22,402 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:58:22,402 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:58:22,403 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:58:22,403 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:58:22,403 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:58:22,403 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:22,403 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:58:22,403 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:58:22,404 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-memleak_nexttime.i_Iteration1_Lasso [2021-10-13 00:58:22,404 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:58:22,404 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:58:22,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:22,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:22,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:22,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:22,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:22,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:23,702 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:58:23,707 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:58:23,709 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:23,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:23,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:23,721 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 [2021-10-13 00:58:23,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:23,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:23,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:23,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:23,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:23,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:23,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:23,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:58:23,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:23,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:23,795 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:23,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:23,797 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:23,807 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 [2021-10-13 00:58:23,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:23,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:23,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:23,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:23,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:23,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:23,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:23,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:58:23,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:23,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:23,872 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:23,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:23,874 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:23,879 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 [2021-10-13 00:58:23,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:23,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:23,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:23,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:23,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:23,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:23,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:23,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:58:23,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:23,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:23,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:23,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:23,945 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:23,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:58:23,950 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 [2021-10-13 00:58:23,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:23,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:23,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:23,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:23,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:23,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:23,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:23,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:23,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:23,991 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:23,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:23,992 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:23,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:58:23,997 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 [2021-10-13 00:58:24,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:24,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:24,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:24,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:24,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:24,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:24,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:24,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:24,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:24,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:24,073 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:24,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:58:24,075 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 [2021-10-13 00:58:24,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:24,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:24,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:24,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:24,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:24,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:24,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:24,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:24,133 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:24,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:24,134 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:24,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:58:24,136 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 [2021-10-13 00:58:24,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:24,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:24,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:24,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:24,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:24,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:24,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:24,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:24,210 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:24,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:24,211 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:24,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:58:24,213 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 [2021-10-13 00:58:24,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:24,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:24,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:24,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:24,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:24,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:24,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:24,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-13 00:58:24,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:24,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:24,259 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:24,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:58:24,261 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 [2021-10-13 00:58:24,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:24,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:24,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:24,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:24,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:24,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:24,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:24,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:24,333 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:24,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:24,335 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:24,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:58:24,337 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 [2021-10-13 00:58:24,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:24,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:24,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:24,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:24,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:24,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:24,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:24,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:24,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:24,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:24,389 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:24,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:58:24,391 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 [2021-10-13 00:58:24,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:24,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:24,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:24,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:24,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:24,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:24,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:24,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:24,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:24,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:24,428 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:24,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:58:24,430 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 [2021-10-13 00:58:24,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:24,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:24,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:24,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:24,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:24,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:24,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:24,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:24,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:24,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:24,495 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:24,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:58:24,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:58:24,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:24,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:24,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:24,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:24,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:24,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:24,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:24,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:24,557 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:24,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:24,557 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:24,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:58:24,559 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 [2021-10-13 00:58:24,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:24,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:24,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:24,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:24,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:24,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:24,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:24,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-10-13 00:58:24,595 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:24,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:24,596 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:24,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:58:24,598 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 [2021-10-13 00:58:24,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:24,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:24,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:24,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:24,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:24,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:24,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:24,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:24,663 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:24,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:24,664 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:24,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:58:24,668 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 [2021-10-13 00:58:24,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:24,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:24,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:24,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:24,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:24,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:24,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:24,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:24,699 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:24,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:24,700 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:24,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:58:24,704 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 [2021-10-13 00:58:24,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:24,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:24,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:24,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:24,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:24,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:24,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:24,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-10-13 00:58:24,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:24,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:24,748 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:24,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:58:24,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:58:24,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:24,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:24,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:24,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:24,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:24,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:24,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:24,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-10-13 00:58:24,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:24,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:24,804 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:24,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 00:58:24,809 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 [2021-10-13 00:58:24,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:24,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:24,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:24,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:24,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:24,818 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:24,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:24,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:24,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:24,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:24,883 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:24,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 00:58:24,886 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 [2021-10-13 00:58:24,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:24,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:24,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:24,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:24,898 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:24,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:24,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:24,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:24,946 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:24,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:24,947 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:24,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 00:58:24,948 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 [2021-10-13 00:58:24,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:24,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:24,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:24,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:24,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:24,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:24,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:24,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:25,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:25,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:25,001 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:25,002 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 [2021-10-13 00:58:25,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 00:58:25,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:25,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:25,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:25,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:25,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:25,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:25,026 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:58:25,072 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-13 00:58:25,072 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-10-13 00:58:25,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:25,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:25,081 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:25,083 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:58:25,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 00:58:25,098 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:58:25,098 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:58:25,099 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_size, #Ultimate.C_memcpy_#t~loopctr10) = 1*#Ultimate.C_memcpy_size - 1*#Ultimate.C_memcpy_#t~loopctr10 Supporting invariants [] [2021-10-13 00:58:25,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:25,253 INFO L297 tatePredicateManager]: 29 out of 29 supporting invariants were superfluous and have been removed [2021-10-13 00:58:25,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:25,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:58:25,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:25,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:58:25,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:25,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:25,404 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-13 00:58:25,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:25,421 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:25,497 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 34 transitions. Complement of second has 6 states. [2021-10-13 00:58:25,498 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 [2021-10-13 00:58:25,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:25,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2021-10-13 00:58:25,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2021-10-13 00:58:25,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:25,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2021-10-13 00:58:25,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:25,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-13 00:58:25,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:25,505 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2021-10-13 00:58:25,507 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-13 00:58:25,511 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 18 states and 23 transitions. [2021-10-13 00:58:25,512 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-13 00:58:25,512 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-13 00:58:25,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2021-10-13 00:58:25,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:58:25,513 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-10-13 00:58:25,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2021-10-13 00:58:25,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-10-13 00:58:25,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 00:58:25,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-10-13 00:58:25,540 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-10-13 00:58:25,540 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-10-13 00:58:25,540 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:58:25,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2021-10-13 00:58:25,542 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-13 00:58:25,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:58:25,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:58:25,542 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:58:25,542 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-13 00:58:25,542 INFO L791 eck$LassoCheckResult]: Stem: 208#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(24);call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 209#L-1 havoc main_#res;havoc main_#t~memcpy~res7.base, main_#t~memcpy~res7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc5.base, foo_#t~malloc5.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);havoc foo_#t~malloc5.base, foo_#t~malloc5.offset; 206#L644 call foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 213##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 217#$Ultimate##0 #t~loopctr10 := 0; 216#L-1-1 assume !(#t~loopctr10 < size);#t~loopctr12 := 0; 207#L-1-3 [2021-10-13 00:58:25,542 INFO L793 eck$LassoCheckResult]: Loop: 207#L-1-3 assume #t~loopctr12 < size;call #t~mem13.base, #t~mem13.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr12, 4);call write~unchecked~$Pointer$(#t~mem13.base, #t~mem13.offset, dest.base, dest.offset + #t~loopctr12, 4);#t~loopctr12 := 4 + #t~loopctr12; 207#L-1-3 [2021-10-13 00:58:25,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:25,543 INFO L82 PathProgramCache]: Analyzing trace with hash 890167034, now seen corresponding path program 1 times [2021-10-13 00:58:25,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:25,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038325585] [2021-10-13 00:58:25,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:25,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:25,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:25,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:58:25,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038325585] [2021-10-13 00:58:25,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038325585] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:58:25,613 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:58:25,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:58:25,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930708363] [2021-10-13 00:58:25,616 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:58:25,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:25,617 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times [2021-10-13 00:58:25,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:25,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724316038] [2021-10-13 00:58:25,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:25,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:25,623 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:25,628 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:25,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:58:25,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:58:25,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:58:25,704 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:25,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:58:25,743 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2021-10-13 00:58:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:58:25,744 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2021-10-13 00:58:25,750 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-13 00:58:25,752 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 21 transitions. [2021-10-13 00:58:25,752 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-13 00:58:25,752 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-13 00:58:25,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-10-13 00:58:25,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:58:25,753 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-13 00:58:25,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-10-13 00:58:25,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-10-13 00:58:25,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.2) internal successors, (18), 14 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 00:58:25,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2021-10-13 00:58:25,758 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-13 00:58:25,758 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-13 00:58:25,758 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:58:25,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2021-10-13 00:58:25,761 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-13 00:58:25,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:58:25,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:58:25,763 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:58:25,763 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-13 00:58:25,764 INFO L791 eck$LassoCheckResult]: Stem: 245#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(24);call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 246#L-1 havoc main_#res;havoc main_#t~memcpy~res7.base, main_#t~memcpy~res7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc5.base, foo_#t~malloc5.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);havoc foo_#t~malloc5.base, foo_#t~malloc5.offset; 250#L644 call foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 255##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 260#$Ultimate##0 #t~loopctr10 := 0; 259#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 249#L-1-1 assume !(#t~loopctr10 < size);#t~loopctr12 := 0; 251#L-1-3 [2021-10-13 00:58:25,764 INFO L793 eck$LassoCheckResult]: Loop: 251#L-1-3 assume #t~loopctr12 < size;call #t~mem13.base, #t~mem13.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr12, 4);call write~unchecked~$Pointer$(#t~mem13.base, #t~mem13.offset, dest.base, dest.offset + #t~loopctr12, 4);#t~loopctr12 := 4 + #t~loopctr12; 251#L-1-3 [2021-10-13 00:58:25,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:25,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1825374235, now seen corresponding path program 1 times [2021-10-13 00:58:25,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:25,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941311410] [2021-10-13 00:58:25,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:25,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:25,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:25,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:58:25,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941311410] [2021-10-13 00:58:25,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941311410] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:58:25,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060692492] [2021-10-13 00:58:25,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:25,843 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:58:25,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:25,844 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:58:25,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-10-13 00:58:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:25,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:58:25,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:25,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:25,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060692492] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:58:25,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:58:25,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-10-13 00:58:25,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064490696] [2021-10-13 00:58:25,990 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:58:25,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:25,990 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 2 times [2021-10-13 00:58:25,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:25,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466263114] [2021-10-13 00:58:25,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:25,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:26,006 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:26,014 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:26,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:58:26,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 00:58:26,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:58:26,085 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. cyclomatic complexity: 7 Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:26,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:58:26,138 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2021-10-13 00:58:26,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:58:26,138 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2021-10-13 00:58:26,142 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-13 00:58:26,149 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 23 transitions. [2021-10-13 00:58:26,150 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-13 00:58:26,150 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-13 00:58:26,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2021-10-13 00:58:26,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:58:26,150 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-10-13 00:58:26,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2021-10-13 00:58:26,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-13 00:58:26,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 00:58:26,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2021-10-13 00:58:26,153 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-10-13 00:58:26,153 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-10-13 00:58:26,153 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 00:58:26,153 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2021-10-13 00:58:26,154 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-13 00:58:26,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:58:26,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:58:26,154 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2021-10-13 00:58:26,154 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-13 00:58:26,155 INFO L791 eck$LassoCheckResult]: Stem: 312#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(24);call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 313#L-1 havoc main_#res;havoc main_#t~memcpy~res7.base, main_#t~memcpy~res7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc5.base, foo_#t~malloc5.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);havoc foo_#t~malloc5.base, foo_#t~malloc5.offset; 317#L644 call foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 322##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 328#$Ultimate##0 #t~loopctr10 := 0; 327#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 316#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 318#L-1-1 assume !(#t~loopctr10 < size);#t~loopctr12 := 0; 326#L-1-3 [2021-10-13 00:58:26,155 INFO L793 eck$LassoCheckResult]: Loop: 326#L-1-3 assume #t~loopctr12 < size;call #t~mem13.base, #t~mem13.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr12, 4);call write~unchecked~$Pointer$(#t~mem13.base, #t~mem13.offset, dest.base, dest.offset + #t~loopctr12, 4);#t~loopctr12 := 4 + #t~loopctr12; 326#L-1-3 [2021-10-13 00:58:26,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:26,155 INFO L82 PathProgramCache]: Analyzing trace with hash 752026394, now seen corresponding path program 2 times [2021-10-13 00:58:26,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:26,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718476538] [2021-10-13 00:58:26,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:26,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:26,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:26,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:58:26,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718476538] [2021-10-13 00:58:26,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718476538] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:58:26,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164695063] [2021-10-13 00:58:26,216 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 00:58:26,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:58:26,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:26,217 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:58:26,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-10-13 00:58:26,304 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 00:58:26,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:58:26,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 00:58:26,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:26,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:26,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164695063] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:58:26,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:58:26,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-10-13 00:58:26,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217721539] [2021-10-13 00:58:26,377 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:58:26,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:26,377 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 3 times [2021-10-13 00:58:26,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:26,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062868300] [2021-10-13 00:58:26,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:26,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:26,383 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:26,393 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:26,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:58:26,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 00:58:26,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-10-13 00:58:26,461 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. cyclomatic complexity: 7 Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:26,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:58:26,511 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2021-10-13 00:58:26,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:58:26,512 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2021-10-13 00:58:26,513 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-13 00:58:26,514 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 25 transitions. [2021-10-13 00:58:26,514 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-10-13 00:58:26,514 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-10-13 00:58:26,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 25 transitions. [2021-10-13 00:58:26,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:58:26,514 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2021-10-13 00:58:26,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 25 transitions. [2021-10-13 00:58:26,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-10-13 00:58:26,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 00:58:26,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2021-10-13 00:58:26,520 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2021-10-13 00:58:26,520 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2021-10-13 00:58:26,520 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 00:58:26,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2021-10-13 00:58:26,523 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-13 00:58:26,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:58:26,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:58:26,524 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 1, 1, 1, 1, 1, 1] [2021-10-13 00:58:26,524 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-13 00:58:26,525 INFO L791 eck$LassoCheckResult]: Stem: 393#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(24);call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 394#L-1 havoc main_#res;havoc main_#t~memcpy~res7.base, main_#t~memcpy~res7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc5.base, foo_#t~malloc5.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);havoc foo_#t~malloc5.base, foo_#t~malloc5.offset; 391#L644 call foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 398##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 407#$Ultimate##0 #t~loopctr10 := 0; 405#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 390#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 392#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 403#L-1-1 assume !(#t~loopctr10 < size);#t~loopctr12 := 0; 402#L-1-3 [2021-10-13 00:58:26,525 INFO L793 eck$LassoCheckResult]: Loop: 402#L-1-3 assume #t~loopctr12 < size;call #t~mem13.base, #t~mem13.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr12, 4);call write~unchecked~$Pointer$(#t~mem13.base, #t~mem13.offset, dest.base, dest.offset + #t~loopctr12, 4);#t~loopctr12 := 4 + #t~loopctr12; 402#L-1-3 [2021-10-13 00:58:26,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:26,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1837981691, now seen corresponding path program 3 times [2021-10-13 00:58:26,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:26,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389687626] [2021-10-13 00:58:26,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:26,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:26,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:26,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:58:26,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389687626] [2021-10-13 00:58:26,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389687626] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:58:26,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817346344] [2021-10-13 00:58:26,641 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-13 00:58:26,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:58:26,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:26,645 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:58:26,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-10-13 00:58:26,735 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-13 00:58:26,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:58:26,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:58:26,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:26,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:26,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817346344] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:58:26,872 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:58:26,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-10-13 00:58:26,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005086070] [2021-10-13 00:58:26,877 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:58:26,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:26,877 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 4 times [2021-10-13 00:58:26,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:26,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744218423] [2021-10-13 00:58:26,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:26,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:26,890 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:26,895 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:26,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:58:26,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-13 00:58:26,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2021-10-13 00:58:26,973 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. cyclomatic complexity: 7 Second operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:27,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:58:27,019 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2021-10-13 00:58:27,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:58:27,020 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2021-10-13 00:58:27,022 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-13 00:58:27,025 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 27 transitions. [2021-10-13 00:58:27,025 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-13 00:58:27,026 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-13 00:58:27,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2021-10-13 00:58:27,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:58:27,027 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-10-13 00:58:27,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2021-10-13 00:58:27,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-10-13 00:58:27,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 20 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 00:58:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-10-13 00:58:27,031 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-10-13 00:58:27,031 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-10-13 00:58:27,031 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-13 00:58:27,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 27 transitions. [2021-10-13 00:58:27,032 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-10-13 00:58:27,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:58:27,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:58:27,033 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 1, 1, 1, 1, 1, 1] [2021-10-13 00:58:27,033 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-13 00:58:27,034 INFO L791 eck$LassoCheckResult]: Stem: 478#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(24);call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 479#L-1 havoc main_#res;havoc main_#t~memcpy~res7.base, main_#t~memcpy~res7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc5.base, foo_#t~malloc5.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);havoc foo_#t~malloc5.base, foo_#t~malloc5.offset; 476#L644 call foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 483##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 493#$Ultimate##0 #t~loopctr10 := 0; 491#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 475#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 477#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 489#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 488#L-1-1 assume !(#t~loopctr10 < size);#t~loopctr12 := 0; 487#L-1-3 [2021-10-13 00:58:27,034 INFO L793 eck$LassoCheckResult]: Loop: 487#L-1-3 assume #t~loopctr12 < size;call #t~mem13.base, #t~mem13.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr12, 4);call write~unchecked~$Pointer$(#t~mem13.base, #t~mem13.offset, dest.base, dest.offset + #t~loopctr12, 4);#t~loopctr12 := 4 + #t~loopctr12; 487#L-1-3 [2021-10-13 00:58:27,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:27,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1142857530, now seen corresponding path program 4 times [2021-10-13 00:58:27,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:27,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350175216] [2021-10-13 00:58:27,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:27,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:27,082 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:27,125 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:27,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:27,127 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 5 times [2021-10-13 00:58:27,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:27,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517915134] [2021-10-13 00:58:27,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:27,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:27,132 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:27,137 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:27,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:27,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1068845085, now seen corresponding path program 1 times [2021-10-13 00:58:27,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:27,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590866100] [2021-10-13 00:58:27,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:27,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:27,170 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:27,210 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:34,119 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 91119 column 2933: unknown constant v_DerPreprocessor_5 at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:256) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.assertTerm(ManagedScript.java:133) at de.uni_freiburg.informatik.ultimate.lassoranker.nontermination.FixpointCheck.checkForFixpoint(FixpointCheck.java:100) at de.uni_freiburg.informatik.ultimate.lassoranker.nontermination.FixpointCheck.(FixpointCheck.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-13 00:58:34,123 INFO L168 Benchmark]: Toolchain (without parser) took 15910.19 ms. Allocated memory was 79.7 MB in the beginning and 163.6 MB in the end (delta: 83.9 MB). Free memory was 41.8 MB in the beginning and 114.8 MB in the end (delta: -73.0 MB). Peak memory consumption was 81.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:34,123 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 79.7 MB. Free memory is still 59.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:58:34,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.91 ms. Allocated memory was 79.7 MB in the beginning and 113.2 MB in the end (delta: 33.6 MB). Free memory was 41.6 MB in the beginning and 81.0 MB in the end (delta: -39.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:34,124 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.53 ms. Allocated memory is still 113.2 MB. Free memory was 81.0 MB in the beginning and 79.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:34,125 INFO L168 Benchmark]: Boogie Preprocessor took 28.89 ms. Allocated memory is still 113.2 MB. Free memory was 79.3 MB in the beginning and 77.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:34,125 INFO L168 Benchmark]: RCFGBuilder took 481.99 ms. Allocated memory is still 113.2 MB. Free memory was 77.9 MB in the beginning and 66.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:34,125 INFO L168 Benchmark]: BuchiAutomizer took 14798.66 ms. Allocated memory was 113.2 MB in the beginning and 163.6 MB in the end (delta: 50.3 MB). Free memory was 66.0 MB in the beginning and 114.8 MB in the end (delta: -48.8 MB). Peak memory consumption was 75.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:34,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 79.7 MB. Free memory is still 59.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 545.91 ms. Allocated memory was 79.7 MB in the beginning and 113.2 MB in the end (delta: 33.6 MB). Free memory was 41.6 MB in the beginning and 81.0 MB in the end (delta: -39.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.53 ms. Allocated memory is still 113.2 MB. Free memory was 81.0 MB in the beginning and 79.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.89 ms. Allocated memory is still 113.2 MB. Free memory was 79.3 MB in the beginning and 77.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 481.99 ms. Allocated memory is still 113.2 MB. Free memory was 77.9 MB in the beginning and 66.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 14798.66 ms. Allocated memory was 113.2 MB in the beginning and 163.6 MB in the end (delta: 50.3 MB). Free memory was 66.0 MB in the beginning and 114.8 MB in the end (delta: -48.8 MB). Peak memory consumption was 75.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: SMTLIBException: line 91119 column 2933: unknown constant v_DerPreprocessor_5 de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: SMTLIBException: line 91119 column 2933: unknown constant v_DerPreprocessor_5: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 00:58:34,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2021-10-13 00:58:34,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:34,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2021-10-13 00:58:34,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21a3e72-eaa8-4313-bc16-ba583715f5f8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 1 Received shutdown request...