./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-examples/standard_sentinel-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-examples/standard_sentinel-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN --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 590a845a219659d0ad58521e10c3551f2ec7e80ca70e994a8616abe765f6f296 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:26:35,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:26:35,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:26:35,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:26:35,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:26:35,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:26:35,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:26:35,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:26:35,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:26:35,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:26:35,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:26:35,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:26:35,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:26:35,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:26:35,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:26:35,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:26:35,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:26:35,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:26:35,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:26:35,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:26:35,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:26:35,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:26:35,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:26:35,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:26:35,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:26:35,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:26:35,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:26:35,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:26:35,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:26:35,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:26:35,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:26:35,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:26:35,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:26:35,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:26:35,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:26:35,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:26:35,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:26:35,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:26:35,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:26:35,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:26:35,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:26:35,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 12:26:35,912 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:26:35,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:26:35,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:26:35,914 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:26:35,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:26:35,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:26:35,916 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:26:35,916 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 12:26:35,917 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 12:26:35,917 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 12:26:35,918 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 12:26:35,919 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 12:26:35,919 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 12:26:35,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:26:35,919 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:26:35,920 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:26:35,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:26:35,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:26:35,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:26:35,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 12:26:35,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 12:26:35,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 12:26:35,921 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:26:35,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:26:35,922 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 12:26:35,922 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:26:35,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 12:26:35,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:26:35,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:26:35,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:26:35,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:26:35,926 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 12:26:35,926 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_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 590a845a219659d0ad58521e10c3551f2ec7e80ca70e994a8616abe765f6f296 [2022-11-20 12:26:36,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:26:36,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:26:36,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:26:36,239 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:26:36,239 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:26:36,240 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/array-examples/standard_sentinel-2.i [2022-11-20 12:26:39,326 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:26:39,497 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:26:39,498 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/sv-benchmarks/c/array-examples/standard_sentinel-2.i [2022-11-20 12:26:39,504 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/data/152b6a7d1/80c4a2a4b8dc4d37af8f8d80739457ec/FLAG999154d34 [2022-11-20 12:26:39,525 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/data/152b6a7d1/80c4a2a4b8dc4d37af8f8d80739457ec [2022-11-20 12:26:39,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:26:39,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:26:39,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:26:39,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:26:39,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:26:39,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:26:39" (1/1) ... [2022-11-20 12:26:39,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49bc7081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:39, skipping insertion in model container [2022-11-20 12:26:39,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:26:39" (1/1) ... [2022-11-20 12:26:39,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:26:39,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:26:39,694 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/sv-benchmarks/c/array-examples/standard_sentinel-2.i[852,865] [2022-11-20 12:26:39,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:26:39,716 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:26:39,729 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/sv-benchmarks/c/array-examples/standard_sentinel-2.i[852,865] [2022-11-20 12:26:39,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:26:39,747 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:26:39,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:39 WrapperNode [2022-11-20 12:26:39,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:26:39,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:26:39,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:26:39,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:26:39,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:39" (1/1) ... [2022-11-20 12:26:39,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:39" (1/1) ... [2022-11-20 12:26:39,783 INFO L138 Inliner]: procedures = 16, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2022-11-20 12:26:39,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:26:39,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:26:39,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:26:39,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:26:39,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:39" (1/1) ... [2022-11-20 12:26:39,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:39" (1/1) ... [2022-11-20 12:26:39,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:39" (1/1) ... [2022-11-20 12:26:39,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:39" (1/1) ... [2022-11-20 12:26:39,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:39" (1/1) ... [2022-11-20 12:26:39,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:39" (1/1) ... [2022-11-20 12:26:39,802 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:39" (1/1) ... [2022-11-20 12:26:39,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:39" (1/1) ... [2022-11-20 12:26:39,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:26:39,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:26:39,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:26:39,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:26:39,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:39" (1/1) ... [2022-11-20 12:26:39,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:39,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:39,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:39,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 12:26:39,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:26:39,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:26:39,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:26:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:26:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:26:39,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:26:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:26:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:26:39,965 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:26:39,967 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:26:40,098 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:26:40,102 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:26:40,102 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 12:26:40,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:26:40 BoogieIcfgContainer [2022-11-20 12:26:40,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:26:40,105 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 12:26:40,105 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 12:26:40,109 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 12:26:40,110 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:26:40,111 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:26:39" (1/3) ... [2022-11-20 12:26:40,112 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ba71498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:26:40, skipping insertion in model container [2022-11-20 12:26:40,112 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:26:40,112 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:39" (2/3) ... [2022-11-20 12:26:40,112 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ba71498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:26:40, skipping insertion in model container [2022-11-20 12:26:40,112 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:26:40,113 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:26:40" (3/3) ... [2022-11-20 12:26:40,114 INFO L332 chiAutomizerObserver]: Analyzing ICFG standard_sentinel-2.i [2022-11-20 12:26:40,171 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 12:26:40,171 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 12:26:40,171 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 12:26:40,171 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 12:26:40,171 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 12:26:40,171 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 12:26:40,172 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 12:26:40,172 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 12:26:40,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:40,214 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:26:40,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:40,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:40,220 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 12:26:40,220 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:26:40,220 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 12:26:40,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:40,222 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:26:40,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:40,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:40,223 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 12:26:40,223 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:26:40,242 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(22, 2); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet4#1, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_~i~1#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~marker~0#1, main_~pos~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~marker~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~pos~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~i~0#1 := 0; 10#L20-3true [2022-11-20 12:26:40,242 INFO L750 eck$LassoCheckResult]: Loop: 10#L20-3true assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 11#L20-2true main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 10#L20-3true [2022-11-20 12:26:40,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:40,249 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 12:26:40,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:40,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648602861] [2022-11-20 12:26:40,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:40,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:40,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:40,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:40,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:40,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-11-20 12:26:40,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:40,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394030203] [2022-11-20 12:26:40,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:40,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:40,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:40,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:40,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:40,482 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-11-20 12:26:40,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:40,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758491896] [2022-11-20 12:26:40,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:40,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:40,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:40,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:40,991 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:26:40,992 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:26:40,992 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:26:40,993 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:26:40,993 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:26:40,993 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:40,993 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:26:40,994 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:26:40,994 INFO L133 ssoRankerPreferences]: Filename of dumped script: standard_sentinel-2.i_Iteration1_Lasso [2022-11-20 12:26:40,994 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:26:40,995 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:26:41,025 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:41,037 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:41,041 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:41,044 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:41,048 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:41,052 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:41,056 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:41,306 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:41,310 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:41,313 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:41,317 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:41,585 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:26:41,589 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:26:41,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:41,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:41,594 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:41,598 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 [2022-11-20 12:26:41,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 12:26:41,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:41,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:41,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:41,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:41,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:41,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:41,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:41,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:41,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:41,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:41,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:41,661 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:41,676 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 [2022-11-20 12:26:41,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 12:26:41,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:41,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:41,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:41,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:41,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:41,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:41,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:41,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:41,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:41,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:41,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:41,712 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:41,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 12:26:41,728 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 [2022-11-20 12:26:41,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:41,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:41,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:41,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:41,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:41,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:41,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:41,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:41,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:41,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:41,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:41,758 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:41,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 12:26:41,761 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 [2022-11-20 12:26:41,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:41,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:41,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:41,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:41,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:41,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:41,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:41,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:41,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:41,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:41,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:41,802 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:41,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 12:26:41,807 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 [2022-11-20 12:26:41,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:41,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:41,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:41,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:41,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:41,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:41,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:41,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:41,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:41,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:41,848 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:41,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 12:26:41,859 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 [2022-11-20 12:26:41,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:41,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:41,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:41,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:41,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:41,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:41,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:41,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:41,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:41,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:41,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:41,901 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:41,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 12:26:41,906 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 [2022-11-20 12:26:41,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:41,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:41,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:41,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:41,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:41,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:41,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:41,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:41,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:41,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:41,969 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:41,980 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 [2022-11-20 12:26:41,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:41,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:41,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:41,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:41,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:41,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:41,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:41,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 12:26:41,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:42,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:42,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:42,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:42,004 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:42,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 12:26:42,015 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 [2022-11-20 12:26:42,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:42,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:42,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:42,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:42,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:42,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:42,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:42,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:42,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:42,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:42,057 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:42,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 12:26:42,070 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 [2022-11-20 12:26:42,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:42,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:42,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:42,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:42,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:42,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:42,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:42,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:42,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:42,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:42,116 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:42,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 12:26:42,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:26:42,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:42,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:42,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:42,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:42,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:42,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:42,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:42,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:42,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:42,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:42,159 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:42,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 12:26:42,166 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 [2022-11-20 12:26:42,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:42,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:42,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:42,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:42,181 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:42,181 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:42,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:42,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:42,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:42,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:42,216 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:42,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 12:26:42,224 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 [2022-11-20 12:26:42,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:42,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:42,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:42,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:42,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:42,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:42,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:42,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:42,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:42,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:42,268 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:42,272 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 [2022-11-20 12:26:42,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:42,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:42,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:42,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:42,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:42,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:42,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 12:26:42,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:42,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:42,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:42,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:42,312 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:42,323 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 [2022-11-20 12:26:42,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 12:26:42,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:42,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:42,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:42,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:42,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:42,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:42,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:42,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:42,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:42,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:42,367 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:42,376 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 [2022-11-20 12:26:42,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 12:26:42,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:42,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:42,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:42,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:42,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:42,397 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:42,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:42,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:42,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:42,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:42,422 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:42,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 12:26:42,427 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 [2022-11-20 12:26:42,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:42,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:42,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:42,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:42,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:42,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:42,467 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:26:42,498 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2022-11-20 12:26:42,498 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-20 12:26:42,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:42,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:42,529 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:42,541 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:26:42,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 12:26:42,569 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:26:42,569 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:26:42,570 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 199999*v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1 - 8*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-20 12:26:42,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:42,617 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-11-20 12:26:42,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:42,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:26:42,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:42,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:26:42,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:42,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:42,763 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-20 12:26:42,765 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:42,847 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 50 transitions. Complement of second has 8 states. [2022-11-20 12:26:42,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:42,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 12:26:42,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:42,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2022-11-20 12:26:42,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-20 12:26:42,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:26:42,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-20 12:26:42,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:26:42,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-20 12:26:42,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:26:42,867 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 50 transitions. [2022-11-20 12:26:42,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:26:42,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 8 states and 10 transitions. [2022-11-20 12:26:42,874 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2022-11-20 12:26:42,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-20 12:26:42,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2022-11-20 12:26:42,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:26:42,876 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-11-20 12:26:42,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2022-11-20 12:26:42,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-20 12:26:42,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:42,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2022-11-20 12:26:42,902 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-11-20 12:26:42,902 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-11-20 12:26:42,903 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 12:26:42,903 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2022-11-20 12:26:42,903 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:26:42,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:42,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:42,904 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 12:26:42,904 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:26:42,905 INFO L748 eck$LassoCheckResult]: Stem: 110#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(22, 2); 111#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet4#1, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_~i~1#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~marker~0#1, main_~pos~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~marker~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~pos~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~i~0#1 := 0; 112#L20-3 assume !(main_~i~0#1 < 100000); 113#L20-4 assume main_~pos~0#1 >= 0 && main_~pos~0#1 < 100000;call write~int(main_~marker~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~pos~0#1, 4);main_~i~1#1 := 0; 117#L28-3 [2022-11-20 12:26:42,905 INFO L750 eck$LassoCheckResult]: Loop: 117#L28-3 call main_#t~mem5#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~1#1, 4); 116#L28-1 assume !!(main_#t~mem5#1 != main_~marker~0#1);havoc main_#t~mem5#1;main_~i~1#1 := 1 + main_~i~1#1; 117#L28-3 [2022-11-20 12:26:42,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:42,906 INFO L85 PathProgramCache]: Analyzing trace with hash 925709, now seen corresponding path program 1 times [2022-11-20 12:26:42,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:42,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836673640] [2022-11-20 12:26:42,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:42,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:42,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:42,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:26:42,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836673640] [2022-11-20 12:26:42,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836673640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:26:42,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:26:42,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:26:42,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346464720] [2022-11-20 12:26:42,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:26:42,981 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:26:42,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:42,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 1 times [2022-11-20 12:26:42,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:42,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428900513] [2022-11-20 12:26:42,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:42,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:42,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:42,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:43,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:26:43,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:26:43,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:26:43,034 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:43,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:26:43,044 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2022-11-20 12:26:43,044 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2022-11-20 12:26:43,045 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:26:43,045 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 10 transitions. [2022-11-20 12:26:43,045 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-20 12:26:43,045 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-20 12:26:43,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2022-11-20 12:26:43,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:26:43,046 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2022-11-20 12:26:43,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2022-11-20 12:26:43,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2022-11-20 12:26:43,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:43,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2022-11-20 12:26:43,047 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-11-20 12:26:43,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:26:43,048 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-11-20 12:26:43,048 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 12:26:43,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 9 transitions. [2022-11-20 12:26:43,049 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:26:43,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:43,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:43,049 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-20 12:26:43,049 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:26:43,050 INFO L748 eck$LassoCheckResult]: Stem: 133#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(22, 2); 134#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet4#1, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_~i~1#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~marker~0#1, main_~pos~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~marker~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~pos~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~i~0#1 := 0; 135#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 136#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 137#L20-3 assume !(main_~i~0#1 < 100000); 138#L20-4 assume main_~pos~0#1 >= 0 && main_~pos~0#1 < 100000;call write~int(main_~marker~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~pos~0#1, 4);main_~i~1#1 := 0; 140#L28-3 [2022-11-20 12:26:43,050 INFO L750 eck$LassoCheckResult]: Loop: 140#L28-3 call main_#t~mem5#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~1#1, 4); 139#L28-1 assume !!(main_#t~mem5#1 != main_~marker~0#1);havoc main_#t~mem5#1;main_~i~1#1 := 1 + main_~i~1#1; 140#L28-3 [2022-11-20 12:26:43,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:43,050 INFO L85 PathProgramCache]: Analyzing trace with hash 889660431, now seen corresponding path program 1 times [2022-11-20 12:26:43,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:43,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622888328] [2022-11-20 12:26:43,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:43,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:43,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:43,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:26:43,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622888328] [2022-11-20 12:26:43,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622888328] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:26:43,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627455951] [2022-11-20 12:26:43,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:43,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:26:43,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:43,152 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:26:43,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-20 12:26:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:43,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:26:43,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:43,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:26:43,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:43,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627455951] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:26:43,250 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:26:43,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-20 12:26:43,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174798980] [2022-11-20 12:26:43,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:26:43,251 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:26:43,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:43,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 2 times [2022-11-20 12:26:43,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:43,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316128815] [2022-11-20 12:26:43,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:43,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:43,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:43,269 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:43,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:26:43,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:26:43,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:26:43,319 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:43,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:26:43,351 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-11-20 12:26:43,351 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 15 transitions. [2022-11-20 12:26:43,355 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:26:43,356 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 15 transitions. [2022-11-20 12:26:43,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-20 12:26:43,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-20 12:26:43,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 15 transitions. [2022-11-20 12:26:43,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:26:43,357 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-20 12:26:43,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 15 transitions. [2022-11-20 12:26:43,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-20 12:26:43,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:43,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-20 12:26:43,363 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-20 12:26:43,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:26:43,366 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-20 12:26:43,366 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 12:26:43,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 15 transitions. [2022-11-20 12:26:43,368 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:26:43,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:43,368 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:43,370 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2022-11-20 12:26:43,370 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:26:43,370 INFO L748 eck$LassoCheckResult]: Stem: 195#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(22, 2); 196#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet4#1, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_~i~1#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~marker~0#1, main_~pos~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~marker~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~pos~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~i~0#1 := 0; 199#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 200#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 201#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 202#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 203#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 208#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 207#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 206#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 205#L20-3 assume !(main_~i~0#1 < 100000); 204#L20-4 assume main_~pos~0#1 >= 0 && main_~pos~0#1 < 100000;call write~int(main_~marker~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~pos~0#1, 4);main_~i~1#1 := 0; 198#L28-3 [2022-11-20 12:26:43,370 INFO L750 eck$LassoCheckResult]: Loop: 198#L28-3 call main_#t~mem5#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~1#1, 4); 197#L28-1 assume !!(main_#t~mem5#1 != main_~marker~0#1);havoc main_#t~mem5#1;main_~i~1#1 := 1 + main_~i~1#1; 198#L28-3 [2022-11-20 12:26:43,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:43,371 INFO L85 PathProgramCache]: Analyzing trace with hash 833936661, now seen corresponding path program 2 times [2022-11-20 12:26:43,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:43,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572627940] [2022-11-20 12:26:43,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:43,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:43,515 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:43,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:26:43,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572627940] [2022-11-20 12:26:43,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572627940] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:26:43,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961431070] [2022-11-20 12:26:43,516 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:26:43,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:26:43,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:43,518 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:26:43,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-20 12:26:43,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 12:26:43,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:26:43,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:26:43,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:43,605 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:43,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:26:43,676 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:43,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961431070] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:26:43,679 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:26:43,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-11-20 12:26:43,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688844874] [2022-11-20 12:26:43,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:26:43,680 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:26:43,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:43,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 3 times [2022-11-20 12:26:43,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:43,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30270117] [2022-11-20 12:26:43,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:43,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:43,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:43,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:43,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:26:43,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 12:26:43,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-20 12:26:43,734 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:43,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:26:43,787 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2022-11-20 12:26:43,787 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 27 transitions. [2022-11-20 12:26:43,795 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:26:43,796 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 27 transitions. [2022-11-20 12:26:43,796 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-20 12:26:43,797 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-20 12:26:43,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 27 transitions. [2022-11-20 12:26:43,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:26:43,797 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 27 transitions. [2022-11-20 12:26:43,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 27 transitions. [2022-11-20 12:26:43,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-20 12:26:43,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 25 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:43,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2022-11-20 12:26:43,801 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 27 transitions. [2022-11-20 12:26:43,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 12:26:43,802 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 27 transitions. [2022-11-20 12:26:43,802 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 12:26:43,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 27 transitions. [2022-11-20 12:26:43,805 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:26:43,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:43,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:43,806 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2022-11-20 12:26:43,806 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:26:43,806 INFO L748 eck$LassoCheckResult]: Stem: 317#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(22, 2); 318#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet4#1, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_~i~1#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~marker~0#1, main_~pos~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~marker~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~pos~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~i~0#1 := 0; 319#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 320#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 321#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 322#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 323#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 342#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 341#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 340#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 339#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 338#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 337#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 336#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 335#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 334#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 333#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 332#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 331#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 330#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 329#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 328#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 327#L20-3 assume !(main_~i~0#1 < 100000); 326#L20-4 assume main_~pos~0#1 >= 0 && main_~pos~0#1 < 100000;call write~int(main_~marker~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~pos~0#1, 4);main_~i~1#1 := 0; 325#L28-3 [2022-11-20 12:26:43,807 INFO L750 eck$LassoCheckResult]: Loop: 325#L28-3 call main_#t~mem5#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~1#1, 4); 324#L28-1 assume !!(main_#t~mem5#1 != main_~marker~0#1);havoc main_#t~mem5#1;main_~i~1#1 := 1 + main_~i~1#1; 325#L28-3 [2022-11-20 12:26:43,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:43,807 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272353, now seen corresponding path program 3 times [2022-11-20 12:26:43,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:43,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174300215] [2022-11-20 12:26:43,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:43,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:44,129 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:44,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:26:44,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174300215] [2022-11-20 12:26:44,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174300215] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:26:44,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236646669] [2022-11-20 12:26:44,130 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 12:26:44,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:26:44,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:44,137 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:26:44,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-11-20 12:26:44,316 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-20 12:26:44,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:26:44,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 12:26:44,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:44,388 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:44,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:26:44,625 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:44,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236646669] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:26:44,625 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:26:44,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2022-11-20 12:26:44,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102376833] [2022-11-20 12:26:44,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:26:44,628 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:26:44,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:44,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 4 times [2022-11-20 12:26:44,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:44,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809384165] [2022-11-20 12:26:44,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:44,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:44,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:44,641 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:44,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:26:44,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-20 12:26:44,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2022-11-20 12:26:44,680 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. cyclomatic complexity: 3 Second operand has 25 states, 25 states have (on average 1.96) internal successors, (49), 25 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:44,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:26:44,780 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2022-11-20 12:26:44,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 51 transitions. [2022-11-20 12:26:44,785 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:26:44,786 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 50 states and 51 transitions. [2022-11-20 12:26:44,786 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-20 12:26:44,787 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-20 12:26:44,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 51 transitions. [2022-11-20 12:26:44,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:26:44,788 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 51 transitions. [2022-11-20 12:26:44,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 51 transitions. [2022-11-20 12:26:44,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-20 12:26:44,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.02) internal successors, (51), 49 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:44,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2022-11-20 12:26:44,794 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 51 transitions. [2022-11-20 12:26:44,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-20 12:26:44,797 INFO L428 stractBuchiCegarLoop]: Abstraction has 50 states and 51 transitions. [2022-11-20 12:26:44,797 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-20 12:26:44,798 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 51 transitions. [2022-11-20 12:26:44,804 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:26:44,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:44,804 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:44,806 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [22, 22, 1, 1, 1, 1] [2022-11-20 12:26:44,807 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:26:44,807 INFO L748 eck$LassoCheckResult]: Stem: 559#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(22, 2); 560#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet4#1, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_~i~1#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~marker~0#1, main_~pos~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~marker~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~pos~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~i~0#1 := 0; 563#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 564#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 565#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 561#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 562#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 608#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 607#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 606#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 605#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 604#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 603#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 602#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 601#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 600#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 599#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 598#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 597#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 596#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 595#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 594#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 593#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 592#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 591#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 590#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 589#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 588#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 587#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 586#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 585#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 584#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 583#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 582#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 581#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 580#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 579#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 578#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 577#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 576#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 575#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 574#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 573#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 572#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 571#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 570#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 569#L20-3 assume !(main_~i~0#1 < 100000); 568#L20-4 assume main_~pos~0#1 >= 0 && main_~pos~0#1 < 100000;call write~int(main_~marker~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~pos~0#1, 4);main_~i~1#1 := 0; 567#L28-3 [2022-11-20 12:26:44,807 INFO L750 eck$LassoCheckResult]: Loop: 567#L28-3 call main_#t~mem5#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~1#1, 4); 566#L28-1 assume !!(main_#t~mem5#1 != main_~marker~0#1);havoc main_#t~mem5#1;main_~i~1#1 := 1 + main_~i~1#1; 567#L28-3 [2022-11-20 12:26:44,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:44,808 INFO L85 PathProgramCache]: Analyzing trace with hash 828161209, now seen corresponding path program 4 times [2022-11-20 12:26:44,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:44,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516138932] [2022-11-20 12:26:44,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:44,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:45,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:26:45,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516138932] [2022-11-20 12:26:45,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516138932] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:26:45,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597907424] [2022-11-20 12:26:45,573 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 12:26:45,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:26:45,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:45,578 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:26:45,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-11-20 12:26:45,692 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 12:26:45,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:26:45,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-20 12:26:45,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:45,783 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:45,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:26:46,650 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:46,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597907424] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:26:46,650 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:26:46,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 49 [2022-11-20 12:26:46,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316650271] [2022-11-20 12:26:46,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:26:46,651 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:26:46,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:46,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 5 times [2022-11-20 12:26:46,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:46,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859764055] [2022-11-20 12:26:46,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:46,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:46,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:46,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:46,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:26:46,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-11-20 12:26:46,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2022-11-20 12:26:46,706 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. cyclomatic complexity: 3 Second operand has 49 states, 49 states have (on average 1.9795918367346939) internal successors, (97), 49 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:46,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:26:46,898 INFO L93 Difference]: Finished difference Result 98 states and 99 transitions. [2022-11-20 12:26:46,898 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 99 transitions. [2022-11-20 12:26:46,902 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:26:46,905 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 98 states and 99 transitions. [2022-11-20 12:26:46,905 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-20 12:26:46,905 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-20 12:26:46,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 99 transitions. [2022-11-20 12:26:46,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:26:46,906 INFO L218 hiAutomatonCegarLoop]: Abstraction has 98 states and 99 transitions. [2022-11-20 12:26:46,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 99 transitions. [2022-11-20 12:26:46,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2022-11-20 12:26:46,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 98 states have (on average 1.010204081632653) internal successors, (99), 97 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:46,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 99 transitions. [2022-11-20 12:26:46,923 INFO L240 hiAutomatonCegarLoop]: Abstraction has 98 states and 99 transitions. [2022-11-20 12:26:46,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-20 12:26:46,924 INFO L428 stractBuchiCegarLoop]: Abstraction has 98 states and 99 transitions. [2022-11-20 12:26:46,925 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-20 12:26:46,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 98 states and 99 transitions. [2022-11-20 12:26:46,927 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:26:46,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:46,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:46,932 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [46, 46, 1, 1, 1, 1] [2022-11-20 12:26:46,932 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:26:46,933 INFO L748 eck$LassoCheckResult]: Stem: 1041#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(22, 2); 1042#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet4#1, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_~i~1#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~marker~0#1, main_~pos~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~marker~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~pos~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~i~0#1 := 0; 1045#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1046#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1047#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1043#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1044#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1138#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1137#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1136#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1135#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1134#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1133#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1132#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1131#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1130#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1129#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1128#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1127#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1126#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1125#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1124#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1123#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1122#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1121#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1120#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1119#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1118#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1117#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1116#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1115#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1114#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1113#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1112#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1111#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1110#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1109#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1108#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1107#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1106#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1105#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1104#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1103#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1102#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1101#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1100#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1099#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1098#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1097#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1096#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1095#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1094#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1093#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1092#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1091#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1090#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1089#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1088#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1087#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1086#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1085#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1084#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1083#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1082#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1081#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1080#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1079#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1078#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1077#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1076#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1075#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1074#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1073#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1072#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1071#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1070#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1069#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1068#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1067#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1066#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1065#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1064#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1063#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1062#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1061#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1060#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1059#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1058#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1057#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1056#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1055#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1054#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1053#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 1052#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1051#L20-3 assume !(main_~i~0#1 < 100000); 1050#L20-4 assume main_~pos~0#1 >= 0 && main_~pos~0#1 < 100000;call write~int(main_~marker~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~pos~0#1, 4);main_~i~1#1 := 0; 1049#L28-3 [2022-11-20 12:26:46,937 INFO L750 eck$LassoCheckResult]: Loop: 1049#L28-3 call main_#t~mem5#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~1#1, 4); 1048#L28-1 assume !!(main_#t~mem5#1 != main_~marker~0#1);havoc main_#t~mem5#1;main_~i~1#1 := 1 + main_~i~1#1; 1049#L28-3 [2022-11-20 12:26:46,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:46,937 INFO L85 PathProgramCache]: Analyzing trace with hash 830581481, now seen corresponding path program 5 times [2022-11-20 12:26:46,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:46,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497995643] [2022-11-20 12:26:46,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:46,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:49,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:26:49,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497995643] [2022-11-20 12:26:49,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497995643] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:26:49,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188964679] [2022-11-20 12:26:49,291 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-20 12:26:49,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:26:49,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:49,293 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:26:49,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-11-20 12:27:18,759 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2022-11-20 12:27:18,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:27:18,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-20 12:27:18,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:27:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:27:18,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:27:22,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:27:22,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188964679] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:27:22,122 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:27:22,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 97 [2022-11-20 12:27:22,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542817283] [2022-11-20 12:27:22,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:27:22,123 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:27:22,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:27:22,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 6 times [2022-11-20 12:27:22,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:27:22,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475652721] [2022-11-20 12:27:22,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:27:22,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:27:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:27:22,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:27:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:27:22,132 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:27:22,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:27:22,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-11-20 12:27:22,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2022-11-20 12:27:22,169 INFO L87 Difference]: Start difference. First operand 98 states and 99 transitions. cyclomatic complexity: 3 Second operand has 97 states, 97 states have (on average 1.9896907216494846) internal successors, (193), 97 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:27:22,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:27:22,590 INFO L93 Difference]: Finished difference Result 194 states and 195 transitions. [2022-11-20 12:27:22,590 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 194 states and 195 transitions. [2022-11-20 12:27:22,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:27:22,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 194 states to 194 states and 195 transitions. [2022-11-20 12:27:22,593 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-20 12:27:22,593 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-20 12:27:22,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 194 states and 195 transitions. [2022-11-20 12:27:22,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:27:22,594 INFO L218 hiAutomatonCegarLoop]: Abstraction has 194 states and 195 transitions. [2022-11-20 12:27:22,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states and 195 transitions. [2022-11-20 12:27:22,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2022-11-20 12:27:22,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 194 states have (on average 1.0051546391752577) internal successors, (195), 193 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:27:22,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 195 transitions. [2022-11-20 12:27:22,607 INFO L240 hiAutomatonCegarLoop]: Abstraction has 194 states and 195 transitions. [2022-11-20 12:27:22,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-11-20 12:27:22,608 INFO L428 stractBuchiCegarLoop]: Abstraction has 194 states and 195 transitions. [2022-11-20 12:27:22,608 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-20 12:27:22,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 194 states and 195 transitions. [2022-11-20 12:27:22,609 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:27:22,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:27:22,609 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:27:22,611 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [94, 94, 1, 1, 1, 1] [2022-11-20 12:27:22,612 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:27:22,612 INFO L748 eck$LassoCheckResult]: Stem: 2003#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(22, 2); 2004#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet4#1, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_~i~1#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~marker~0#1, main_~pos~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);main_~marker~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~pos~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~i~0#1 := 0; 2005#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2006#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2007#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2008#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2009#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2196#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2195#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2194#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2193#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2192#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2191#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2190#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2189#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2188#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2187#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2186#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2185#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2184#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2183#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2182#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2181#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2180#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2179#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2178#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2177#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2176#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2175#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2174#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2173#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2172#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2171#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2170#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2169#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2168#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2167#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2166#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2165#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2164#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2163#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2162#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2161#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2160#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2159#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2158#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2157#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2156#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2155#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2154#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2153#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2152#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2151#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2150#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2149#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2148#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2147#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2146#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2145#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2144#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2143#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2142#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2141#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2140#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2139#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2138#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2137#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2136#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2135#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2134#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2133#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2132#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2131#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2130#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2129#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2128#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2127#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2126#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2125#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2124#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2123#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2122#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2121#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2120#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2119#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2118#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2117#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2116#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2115#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2114#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2113#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2112#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2111#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2110#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2109#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2108#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2107#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2106#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2105#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2104#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2103#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2102#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2101#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2100#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2099#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2098#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2097#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2096#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2095#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2094#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2093#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2092#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2091#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2090#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2089#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2088#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2087#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2086#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2085#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2084#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2083#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2082#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2081#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2080#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2079#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2078#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2077#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2076#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2075#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2074#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2073#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2072#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2071#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2070#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2069#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2068#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2067#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2066#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2065#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2064#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2063#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2062#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2061#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2060#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2059#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2058#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2057#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2056#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2055#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2054#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2053#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2052#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2051#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2050#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2049#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2048#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2047#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2046#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2045#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2044#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2043#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2042#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2041#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2040#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2039#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2038#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2037#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2036#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2035#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2034#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2033#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2032#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2031#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2030#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2029#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2028#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2027#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2026#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2025#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2024#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2023#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2022#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2021#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2020#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2019#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2018#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2017#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2016#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2015#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet4#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet4#1; 2014#L20-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2013#L20-3 assume !(main_~i~0#1 < 100000); 2012#L20-4 assume main_~pos~0#1 >= 0 && main_~pos~0#1 < 100000;call write~int(main_~marker~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~pos~0#1, 4);main_~i~1#1 := 0; 2011#L28-3 [2022-11-20 12:27:22,612 INFO L750 eck$LassoCheckResult]: Loop: 2011#L28-3 call main_#t~mem5#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~1#1, 4); 2010#L28-1 assume !!(main_#t~mem5#1 != main_~marker~0#1);havoc main_#t~mem5#1;main_~i~1#1 := 1 + main_~i~1#1; 2011#L28-3 [2022-11-20 12:27:22,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:27:22,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1165371209, now seen corresponding path program 6 times [2022-11-20 12:27:22,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:27:22,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724161301] [2022-11-20 12:27:22,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:27:22,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:27:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:27:30,115 INFO L134 CoverageAnalysis]: Checked inductivity of 8836 backedges. 0 proven. 8836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:27:30,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:27:30,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724161301] [2022-11-20 12:27:30,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724161301] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:27:30,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343875986] [2022-11-20 12:27:30,116 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-20 12:27:30,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:27:30,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:30,120 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:27:30,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e48ce54-f4f6-4385-9c31-dcf7d7b1925d/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process