./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/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_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8bd25fcd8e8d81d9ce03f11651b22e7d6f0ec0da3b511f7ebe00128a9109f319 --- 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 12:36:36,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:36:37,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:36:37,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:36:37,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:36:37,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:36:37,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:36:37,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:36:37,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:36:37,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:36:37,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:36:37,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:36:37,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:36:37,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:36:37,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:36:37,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:36:37,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:36:37,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:36:37,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:36:37,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:36:37,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:36:37,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:36:37,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:36:37,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:36:37,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:36:37,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:36:37,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:36:37,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:36:37,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:36:37,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:36:37,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:36:37,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:36:37,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:36:37,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:36:37,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:36:37,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:36:37,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:36:37,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:36:37,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:36:37,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:36:37,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:36:37,105 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 12:36:37,143 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:36:37,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:36:37,150 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:36:37,150 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:36:37,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:36:37,151 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:36:37,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:36:37,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:36:37,152 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:36:37,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:36:37,154 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:36:37,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:36:37,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:36:37,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:36:37,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:36:37,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:36:37,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:36:37,155 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:36:37,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:36:37,156 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:36:37,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:36:37,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:36:37,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:36:37,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:36:37,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:36:37,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:36:37,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:36:37,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:36:37,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:36:37,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:36:37,159 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:36:37,159 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:36:37,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:36:37,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6176d37b-24a6-4f13-9c04-7ef91881cd65/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bd25fcd8e8d81d9ce03f11651b22e7d6f0ec0da3b511f7ebe00128a9109f319 [2022-11-20 12:36:37,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:36:37,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:36:37,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:36:37,568 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:36:37,568 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:36:37,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound100.c [2022-11-20 12:36:40,725 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:36:40,987 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:36:40,988 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound100.c [2022-11-20 12:36:40,996 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/data/c47736f84/aced83ebe8d84ec8ad6d061b457b4155/FLAGd04f52b38 [2022-11-20 12:36:41,017 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/data/c47736f84/aced83ebe8d84ec8ad6d061b457b4155 [2022-11-20 12:36:41,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:36:41,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:36:41,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:36:41,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:36:41,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:36:41,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:36:41" (1/1) ... [2022-11-20 12:36:41,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484f2dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:41, skipping insertion in model container [2022-11-20 12:36:41,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:36:41" (1/1) ... [2022-11-20 12:36:41,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:36:41,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:36:41,339 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_6176d37b-24a6-4f13-9c04-7ef91881cd65/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound100.c[537,550] [2022-11-20 12:36:41,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:36:41,397 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:36:41,416 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_6176d37b-24a6-4f13-9c04-7ef91881cd65/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound100.c[537,550] [2022-11-20 12:36:41,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:36:41,435 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:36:41,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:41 WrapperNode [2022-11-20 12:36:41,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:36:41,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:36:41,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:36:41,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:36:41,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:41" (1/1) ... [2022-11-20 12:36:41,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:41" (1/1) ... [2022-11-20 12:36:41,469 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-11-20 12:36:41,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:36:41,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:36:41,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:36:41,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:36:41,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:41" (1/1) ... [2022-11-20 12:36:41,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:41" (1/1) ... [2022-11-20 12:36:41,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:41" (1/1) ... [2022-11-20 12:36:41,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:41" (1/1) ... [2022-11-20 12:36:41,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:41" (1/1) ... [2022-11-20 12:36:41,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:41" (1/1) ... [2022-11-20 12:36:41,488 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:41" (1/1) ... [2022-11-20 12:36:41,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:41" (1/1) ... [2022-11-20 12:36:41,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:36:41,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:36:41,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:36:41,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:36:41,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:41" (1/1) ... [2022-11-20 12:36:41,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:36:41,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:36:41,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:36:41,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:36:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:36:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 12:36:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 12:36:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:36:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:36:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:36:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 12:36:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 12:36:41,660 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:36:41,662 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:36:41,808 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:36:41,814 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:36:41,815 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:36:41,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:36:41 BoogieIcfgContainer [2022-11-20 12:36:41,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:36:41,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:36:41,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:36:41,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:36:41,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:36:41" (1/3) ... [2022-11-20 12:36:41,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36517fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:36:41, skipping insertion in model container [2022-11-20 12:36:41,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:36:41" (2/3) ... [2022-11-20 12:36:41,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36517fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:36:41, skipping insertion in model container [2022-11-20 12:36:41,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:36:41" (3/3) ... [2022-11-20 12:36:41,829 INFO L112 eAbstractionObserver]: Analyzing ICFG prodbin-ll_valuebound100.c [2022-11-20 12:36:41,852 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:36:41,852 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:36:41,966 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:36:41,973 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@f7f43ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:36:41,974 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:36:41,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 12:36:42,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 12:36:42,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:36:42,002 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:36:42,003 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:36:42,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:36:42,017 INFO L85 PathProgramCache]: Analyzing trace with hash -861605892, now seen corresponding path program 1 times [2022-11-20 12:36:42,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:36:42,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312972414] [2022-11-20 12:36:42,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:36:42,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:36:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:36:42,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:36:42,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312972414] [2022-11-20 12:36:42,231 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-20 12:36:42,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898772670] [2022-11-20 12:36:42,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:36:42,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:36:42,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:36:42,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:36:42,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 12:36:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:36:42,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 12:36:42,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:36:42,405 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 12:36:42,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:36:42,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898772670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:36:42,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:36:42,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:36:42,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609842222] [2022-11-20 12:36:42,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:36:42,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 12:36:42,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:36:42,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 12:36:42,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:36:42,469 INFO L87 Difference]: Start difference. First operand has 27 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 12:36:42,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:36:42,502 INFO L93 Difference]: Finished difference Result 51 states and 71 transitions. [2022-11-20 12:36:42,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 12:36:42,504 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24 [2022-11-20 12:36:42,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:36:42,517 INFO L225 Difference]: With dead ends: 51 [2022-11-20 12:36:42,518 INFO L226 Difference]: Without dead ends: 23 [2022-11-20 12:36:42,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:36:42,527 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:36:42,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:36:42,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-20 12:36:42,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-20 12:36:42,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 12:36:42,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-11-20 12:36:42,567 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 24 [2022-11-20 12:36:42,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:36:42,567 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-11-20 12:36:42,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 12:36:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-11-20 12:36:42,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 12:36:42,570 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:36:42,570 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:36:42,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:36:42,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:36:42,776 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:36:42,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:36:42,777 INFO L85 PathProgramCache]: Analyzing trace with hash -2010313222, now seen corresponding path program 1 times [2022-11-20 12:36:42,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:36:42,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938396728] [2022-11-20 12:36:42,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:36:42,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:36:42,807 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 12:36:42,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1407217560] [2022-11-20 12:36:42,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:36:42,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:36:42,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:36:42,816 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:36:42,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 12:36:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:36:42,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 12:36:42,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:36:43,078 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 12:36:43,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:36:43,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:36:43,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938396728] [2022-11-20 12:36:43,080 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 12:36:43,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407217560] [2022-11-20 12:36:43,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407217560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:36:43,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:36:43,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:36:43,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154006454] [2022-11-20 12:36:43,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:36:43,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:36:43,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:36:43,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:36:43,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:36:43,084 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 12:36:43,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:36:43,183 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2022-11-20 12:36:43,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:36:43,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2022-11-20 12:36:43,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:36:43,185 INFO L225 Difference]: With dead ends: 35 [2022-11-20 12:36:43,185 INFO L226 Difference]: Without dead ends: 33 [2022-11-20 12:36:43,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:36:43,187 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 8 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:36:43,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 71 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:36:43,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-20 12:36:43,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 29. [2022-11-20 12:36:43,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 12:36:43,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2022-11-20 12:36:43,224 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 24 [2022-11-20 12:36:43,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:36:43,225 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2022-11-20 12:36:43,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 12:36:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-11-20 12:36:43,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 12:36:43,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:36:43,227 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:36:43,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-20 12:36:43,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:36:43,433 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:36:43,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:36:43,434 INFO L85 PathProgramCache]: Analyzing trace with hash -895979555, now seen corresponding path program 1 times [2022-11-20 12:36:43,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:36:43,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014171942] [2022-11-20 12:36:43,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:36:43,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:36:43,450 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 12:36:43,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1966187440] [2022-11-20 12:36:43,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:36:43,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:36:43,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:36:43,477 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:36:43,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 12:36:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:36:43,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 12:36:43,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:36:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 12:36:43,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:36:43,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:36:43,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014171942] [2022-11-20 12:36:43,601 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 12:36:43,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966187440] [2022-11-20 12:36:43,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966187440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:36:43,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:36:43,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:36:43,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874008865] [2022-11-20 12:36:43,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:36:43,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:36:43,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:36:43,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:36:43,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:36:43,604 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 12:36:43,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:36:43,690 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2022-11-20 12:36:43,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:36:43,690 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 30 [2022-11-20 12:36:43,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:36:43,692 INFO L225 Difference]: With dead ends: 39 [2022-11-20 12:36:43,692 INFO L226 Difference]: Without dead ends: 32 [2022-11-20 12:36:43,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:36:43,694 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 15 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:36:43,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 69 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:36:43,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-20 12:36:43,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2022-11-20 12:36:43,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 12:36:43,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2022-11-20 12:36:43,703 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 30 [2022-11-20 12:36:43,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:36:43,703 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2022-11-20 12:36:43,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 12:36:43,704 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-11-20 12:36:43,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 12:36:43,705 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:36:43,705 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:36:43,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:36:43,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:36:43,914 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:36:43,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:36:43,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1371702355, now seen corresponding path program 1 times [2022-11-20 12:36:43,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:36:43,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617026220] [2022-11-20 12:36:43,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:36:43,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:36:43,944 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 12:36:43,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [463078593] [2022-11-20 12:36:43,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:36:43,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:36:43,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:36:43,958 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:36:43,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 12:36:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:36:44,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-20 12:36:44,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:36:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 12:36:44,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:36:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 12:36:50,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:36:50,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617026220] [2022-11-20 12:36:50,865 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 12:36:50,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463078593] [2022-11-20 12:36:50,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463078593] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 12:36:50,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:36:50,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-20 12:36:50,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283716257] [2022-11-20 12:36:50,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:36:50,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:36:50,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:36:50,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:36:50,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=120, Unknown=1, NotChecked=0, Total=156 [2022-11-20 12:36:50,869 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 12:36:52,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-20 12:36:52,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:36:52,948 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2022-11-20 12:36:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 12:36:52,949 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 33 [2022-11-20 12:36:52,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:36:52,951 INFO L225 Difference]: With dead ends: 43 [2022-11-20 12:36:52,951 INFO L226 Difference]: Without dead ends: 41 [2022-11-20 12:36:52,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=45, Invalid=164, Unknown=1, NotChecked=0, Total=210 [2022-11-20 12:36:52,953 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 11 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:36:52,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 79 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-20 12:36:52,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-20 12:36:52,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2022-11-20 12:36:52,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 28 states have internal predecessors, (32), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 12:36:52,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2022-11-20 12:36:52,964 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 33 [2022-11-20 12:36:52,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:36:52,965 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-11-20 12:36:52,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 12:36:52,966 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-11-20 12:36:52,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 12:36:52,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:36:52,967 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:36:52,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:36:53,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:36:53,174 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:36:53,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:36:53,175 INFO L85 PathProgramCache]: Analyzing trace with hash 403305007, now seen corresponding path program 1 times [2022-11-20 12:36:53,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:36:53,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820233462] [2022-11-20 12:36:53,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:36:53,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:36:53,193 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 12:36:53,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [660842599] [2022-11-20 12:36:53,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:36:53,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:36:53,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:36:53,195 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:36:53,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 12:36:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:36:53,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-20 12:36:53,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:36:53,486 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 12:36:53,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:36:54,388 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 12:36:54,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:36:54,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820233462] [2022-11-20 12:36:54,389 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 12:36:54,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660842599] [2022-11-20 12:36:54,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660842599] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:36:54,389 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:36:54,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-11-20 12:36:54,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798908495] [2022-11-20 12:36:54,390 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:36:54,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-20 12:36:54,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:36:54,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-20 12:36:54,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-11-20 12:36:54,392 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 13 states have internal predecessors, (31), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-20 12:36:55,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:36:55,943 INFO L93 Difference]: Finished difference Result 68 states and 83 transitions. [2022-11-20 12:36:55,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 12:36:55,944 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 13 states have internal predecessors, (31), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 33 [2022-11-20 12:36:55,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:36:55,946 INFO L225 Difference]: With dead ends: 68 [2022-11-20 12:36:55,947 INFO L226 Difference]: Without dead ends: 61 [2022-11-20 12:36:55,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2022-11-20 12:36:55,949 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 37 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 12:36:55,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 120 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 12:36:55,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-20 12:36:55,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2022-11-20 12:36:55,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 43 states have (on average 1.255813953488372) internal successors, (54), 44 states have internal predecessors, (54), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-20 12:36:55,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2022-11-20 12:36:55,966 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 33 [2022-11-20 12:36:55,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:36:55,966 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2022-11-20 12:36:55,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 13 states have internal predecessors, (31), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-20 12:36:55,967 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2022-11-20 12:36:55,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 12:36:55,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:36:55,968 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:36:55,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:36:56,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:36:56,175 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:36:56,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:36:56,175 INFO L85 PathProgramCache]: Analyzing trace with hash 685673296, now seen corresponding path program 1 times [2022-11-20 12:36:56,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:36:56,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427708140] [2022-11-20 12:36:56,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:36:56,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:36:56,196 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 12:36:56,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1176034925] [2022-11-20 12:36:56,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:36:56,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:36:56,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:36:56,198 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:36:56,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 12:36:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:36:56,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 12:36:56,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:36:56,486 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 12:36:56,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:36:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 12:36:56,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:36:56,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427708140] [2022-11-20 12:36:56,623 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 12:36:56,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176034925] [2022-11-20 12:36:56,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176034925] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:36:56,624 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:36:56,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 11 [2022-11-20 12:36:56,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201513707] [2022-11-20 12:36:56,625 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:36:56,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 12:36:56,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:36:56,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 12:36:56,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-20 12:36:56,628 INFO L87 Difference]: Start difference. First operand 59 states and 73 transitions. Second operand has 11 states, 10 states have (on average 2.6) internal successors, (26), 8 states have internal predecessors, (26), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 12:36:58,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-20 12:37:00,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-20 12:37:00,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:37:00,780 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2022-11-20 12:37:00,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:37:00,781 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.6) internal successors, (26), 8 states have internal predecessors, (26), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 39 [2022-11-20 12:37:00,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:37:00,782 INFO L225 Difference]: With dead ends: 67 [2022-11-20 12:37:00,783 INFO L226 Difference]: Without dead ends: 60 [2022-11-20 12:37:00,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2022-11-20 12:37:00,784 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 14 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:37:00,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 110 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 2 Unknown, 0 Unchecked, 4.1s Time] [2022-11-20 12:37:00,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-20 12:37:00,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2022-11-20 12:37:00,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 43 states have internal predecessors, (50), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-20 12:37:00,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 68 transitions. [2022-11-20 12:37:00,800 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 68 transitions. Word has length 39 [2022-11-20 12:37:00,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:37:00,800 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 68 transitions. [2022-11-20 12:37:00,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.6) internal successors, (26), 8 states have internal predecessors, (26), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 12:37:00,801 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2022-11-20 12:37:00,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 12:37:00,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:37:00,802 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:37:00,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:37:01,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:37:01,019 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:37:01,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:01,019 INFO L85 PathProgramCache]: Analyzing trace with hash -662815268, now seen corresponding path program 1 times [2022-11-20 12:37:01,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:01,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913374408] [2022-11-20 12:37:01,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:01,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:01,043 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 12:37:01,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1623306693] [2022-11-20 12:37:01,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:01,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:37:01,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:37:01,049 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:37:01,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 12:37:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:01,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-20 12:37:01,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:37:01,823 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 12:37:01,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:37:07,497 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 12:37:07,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:07,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913374408] [2022-11-20 12:37:07,500 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 12:37:07,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623306693] [2022-11-20 12:37:07,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623306693] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:37:07,501 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:37:07,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 20 [2022-11-20 12:37:07,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856343857] [2022-11-20 12:37:07,501 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:37:07,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-20 12:37:07,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:07,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-20 12:37:07,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=316, Unknown=2, NotChecked=0, Total=380 [2022-11-20 12:37:07,505 INFO L87 Difference]: Start difference. First operand 58 states and 68 transitions. Second operand has 20 states, 20 states have (on average 1.95) internal successors, (39), 19 states have internal predecessors, (39), 6 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-20 12:37:14,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:37:14,371 INFO L93 Difference]: Finished difference Result 92 states and 109 transitions. [2022-11-20 12:37:14,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 12:37:14,394 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.95) internal successors, (39), 19 states have internal predecessors, (39), 6 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 42 [2022-11-20 12:37:14,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:37:14,397 INFO L225 Difference]: With dead ends: 92 [2022-11-20 12:37:14,397 INFO L226 Difference]: Without dead ends: 90 [2022-11-20 12:37:14,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 65 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=143, Invalid=725, Unknown=2, NotChecked=0, Total=870 [2022-11-20 12:37:14,398 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 41 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:37:14,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 178 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 285 Invalid, 0 Unknown, 21 Unchecked, 1.4s Time] [2022-11-20 12:37:14,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-20 12:37:14,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 89. [2022-11-20 12:37:14,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 67 states have (on average 1.164179104477612) internal successors, (78), 68 states have internal predecessors, (78), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-20 12:37:14,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 106 transitions. [2022-11-20 12:37:14,432 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 106 transitions. Word has length 42 [2022-11-20 12:37:14,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:37:14,434 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 106 transitions. [2022-11-20 12:37:14,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.95) internal successors, (39), 19 states have internal predecessors, (39), 6 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-20 12:37:14,435 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2022-11-20 12:37:14,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 12:37:14,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:37:14,438 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:37:14,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:37:14,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:37:14,648 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:37:14,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:14,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1448142086, now seen corresponding path program 2 times [2022-11-20 12:37:14,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:14,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517127485] [2022-11-20 12:37:14,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:14,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:14,664 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 12:37:14,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [38796673] [2022-11-20 12:37:14,664 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:37:14,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:37:14,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:37:14,666 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:37:14,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 12:37:14,748 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 12:37:14,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:37:14,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-20 12:37:14,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:37:35,719 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 18 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 12:37:35,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:38:04,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:38:04,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517127485] [2022-11-20 12:38:04,536 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 12:38:04,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38796673] [2022-11-20 12:38:04,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38796673] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:38:04,536 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:38:04,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2022-11-20 12:38:04,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430925201] [2022-11-20 12:38:04,537 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-20 12:38:04,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-20 12:38:04,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:38:04,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-20 12:38:04,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=529, Unknown=9, NotChecked=0, Total=650 [2022-11-20 12:38:04,538 INFO L87 Difference]: Start difference. First operand 89 states and 106 transitions. Second operand has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 16 states have internal predecessors, (33), 6 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2022-11-20 12:38:05,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-20 12:38:09,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-20 12:38:11,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-20 12:38:12,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-20 12:38:14,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-20 12:38:16,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-20 12:38:20,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-20 12:38:20,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:38:20,933 INFO L93 Difference]: Finished difference Result 119 states and 139 transitions. [2022-11-20 12:38:20,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 12:38:20,934 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 16 states have internal predecessors, (33), 6 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 60 [2022-11-20 12:38:20,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:38:20,935 INFO L225 Difference]: With dead ends: 119 [2022-11-20 12:38:20,935 INFO L226 Difference]: Without dead ends: 117 [2022-11-20 12:38:20,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 36.2s TimeCoverageRelationStatistics Valid=127, Invalid=620, Unknown=9, NotChecked=0, Total=756 [2022-11-20 12:38:20,937 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 21 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:38:20,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 251 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 595 Invalid, 3 Unknown, 0 Unchecked, 16.3s Time] [2022-11-20 12:38:20,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-11-20 12:38:20,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 114. [2022-11-20 12:38:20,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 86 states have (on average 1.1511627906976745) internal successors, (99), 88 states have internal predecessors, (99), 17 states have call successors, (17), 10 states have call predecessors, (17), 10 states have return successors, (17), 15 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-20 12:38:20,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2022-11-20 12:38:20,962 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 60 [2022-11-20 12:38:20,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:38:20,962 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2022-11-20 12:38:20,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 16 states have internal predecessors, (33), 6 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2022-11-20 12:38:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2022-11-20 12:38:20,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 12:38:20,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:38:20,965 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:38:20,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-20 12:38:21,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:38:21,182 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:38:21,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:38:21,183 INFO L85 PathProgramCache]: Analyzing trace with hash 602841912, now seen corresponding path program 3 times [2022-11-20 12:38:21,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:38:21,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680667701] [2022-11-20 12:38:21,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:38:21,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:38:21,196 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 12:38:21,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1033429752] [2022-11-20 12:38:21,197 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 12:38:21,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:38:21,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:38:21,199 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:38:21,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 12:38:21,273 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-20 12:38:21,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:38:21,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-20 12:38:21,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:38:23,844 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 49 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:38:23,845 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:38:25,188 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 40 proven. 11 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 12:38:25,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:38:25,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680667701] [2022-11-20 12:38:25,189 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 12:38:25,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033429752] [2022-11-20 12:38:25,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033429752] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:38:25,189 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:38:25,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 22 [2022-11-20 12:38:25,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708075660] [2022-11-20 12:38:25,193 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:38:25,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-20 12:38:25,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:38:25,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-20 12:38:25,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2022-11-20 12:38:25,196 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand has 22 states, 22 states have (on average 2.409090909090909) internal successors, (53), 21 states have internal predecessors, (53), 7 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2022-11-20 12:38:27,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:38:27,812 INFO L93 Difference]: Finished difference Result 117 states and 137 transitions. [2022-11-20 12:38:27,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 12:38:27,813 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.409090909090909) internal successors, (53), 21 states have internal predecessors, (53), 7 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) Word has length 60 [2022-11-20 12:38:27,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:38:27,813 INFO L225 Difference]: With dead ends: 117 [2022-11-20 12:38:27,813 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:38:27,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=127, Invalid=575, Unknown=0, NotChecked=0, Total=702 [2022-11-20 12:38:27,815 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 16 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:38:27,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 122 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 183 Invalid, 0 Unknown, 20 Unchecked, 0.3s Time] [2022-11-20 12:38:27,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:38:27,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:38:27,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 12:38:27,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:38:27,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2022-11-20 12:38:27,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:38:27,818 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:38:27,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.409090909090909) internal successors, (53), 21 states have internal predecessors, (53), 7 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2022-11-20 12:38:27,818 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:38:27,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:38:27,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:38:27,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 12:38:28,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-20 12:38:28,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 12:38:36,773 WARN L233 SmtUtils]: Spent 8.68s on a formula simplification. DAG size of input: 133 DAG size of output: 50 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 12:38:54,446 WARN L233 SmtUtils]: Spent 17.52s on a formula simplification. DAG size of input: 133 DAG size of output: 50 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 12:38:54,461 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:38:54,462 INFO L902 garLoopResultBuilder]: At program point L27(line 27) the Hoare annotation is: true [2022-11-20 12:38:54,462 INFO L895 garLoopResultBuilder]: At program point L27-1(line 27) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~b~0#1|) (<= |ULTIMATE.start_main_~b~0#1| 100)) [2022-11-20 12:38:54,462 INFO L902 garLoopResultBuilder]: At program point L25(line 25) the Hoare annotation is: true [2022-11-20 12:38:54,462 INFO L899 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2022-11-20 12:38:54,462 INFO L902 garLoopResultBuilder]: At program point L48(lines 20 49) the Hoare annotation is: true [2022-11-20 12:38:54,462 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-11-20 12:38:54,463 INFO L895 garLoopResultBuilder]: At program point L34-2(lines 34 45) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~b~0#1| 100)) (.cse1 (<= 1 |ULTIMATE.start_main_~b~0#1|))) (or (and .cse0 .cse1 (= (mod |ULTIMATE.start_main_~x~0#1| 2) 0) (exists ((|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52| Int)) (let ((.cse5 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63| 2))) (let ((.cse2 (+ .cse5 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63|)) (.cse3 (+ .cse5 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63| (* |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52| 2)))) (and (<= 0 .cse2) (<= 0 .cse3) (< .cse2 2) (<= 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63|) (not (= .cse3 1)) (<= 0 (+ (* 2 |ULTIMATE.start_main_~y~0#1|) |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63|)) (< |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63| 2) (= (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|) (let ((.cse4 (div (- |ULTIMATE.start_main_~x~0#1|) (- 2)))) (+ (* (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63| .cse4) 2) (* 2 (* .cse4 |ULTIMATE.start_main_~y~0#1|)) (* .cse4 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63|) |ULTIMATE.start_main_~z~0#1|))) (< .cse3 2)))))) (and (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) .cse0 .cse1 (= |ULTIMATE.start_main_~z~0#1| 0) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)))) [2022-11-20 12:38:54,463 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 12:38:54,463 INFO L895 garLoopResultBuilder]: At program point L34-3(lines 34 45) the Hoare annotation is: (let ((.cse0 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|))) (and (<= 1 |ULTIMATE.start_main_~b~0#1|) (= |ULTIMATE.start_main_~z~0#1| .cse0) (or (not (<= 1 (mod |ULTIMATE.start_main_~y~0#1| 2))) (< |ULTIMATE.start_main_~y~0#1| 0) (= (+ (* 2 (* (div (+ (- 1) |ULTIMATE.start_main_~y~0#1|) 2) |ULTIMATE.start_main_~x~0#1|)) |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) .cse0)))) [2022-11-20 12:38:54,464 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 12:38:54,464 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:38:54,464 INFO L899 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2022-11-20 12:38:54,464 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 42) no Hoare annotation was computed. [2022-11-20 12:38:54,464 INFO L899 garLoopResultBuilder]: For program point L39-2(lines 39 42) no Hoare annotation was computed. [2022-11-20 12:38:54,464 INFO L895 garLoopResultBuilder]: At program point L35(line 35) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~b~0#1| 100)) (.cse1 (<= 1 |ULTIMATE.start_main_~b~0#1|))) (or (and .cse0 .cse1 (= (mod |ULTIMATE.start_main_~x~0#1| 2) 0) (exists ((|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52| Int)) (let ((.cse5 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63| 2))) (let ((.cse2 (+ .cse5 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63|)) (.cse3 (+ .cse5 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63| (* |aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52| 2)))) (and (<= 0 .cse2) (<= 0 .cse3) (< .cse2 2) (<= 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63|) (not (= .cse3 1)) (<= 0 (+ (* 2 |ULTIMATE.start_main_~y~0#1|) |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63|)) (< |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63| 2) (= (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|) (let ((.cse4 (div (- |ULTIMATE.start_main_~x~0#1|) (- 2)))) (+ (* (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63| .cse4) 2) (* 2 (* .cse4 |ULTIMATE.start_main_~y~0#1|)) (* .cse4 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63|) |ULTIMATE.start_main_~z~0#1|))) (< .cse3 2)))))) (and (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) .cse0 .cse1 (= |ULTIMATE.start_main_~z~0#1| 0) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)))) [2022-11-20 12:38:54,465 INFO L899 garLoopResultBuilder]: For program point L35-1(lines 34 45) no Hoare annotation was computed. [2022-11-20 12:38:54,465 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 9 11) the Hoare annotation is: true [2022-11-20 12:38:54,465 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2022-11-20 12:38:54,465 INFO L899 garLoopResultBuilder]: For program point L10-2(lines 9 11) no Hoare annotation was computed. [2022-11-20 12:38:54,465 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 9 11) no Hoare annotation was computed. [2022-11-20 12:38:54,466 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 12 18) the Hoare annotation is: true [2022-11-20 12:38:54,466 INFO L899 garLoopResultBuilder]: For program point L14(lines 14 15) no Hoare annotation was computed. [2022-11-20 12:38:54,466 INFO L899 garLoopResultBuilder]: For program point L13(lines 13 16) no Hoare annotation was computed. [2022-11-20 12:38:54,466 INFO L899 garLoopResultBuilder]: For program point L13-2(lines 12 18) no Hoare annotation was computed. [2022-11-20 12:38:54,466 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 12 18) no Hoare annotation was computed. [2022-11-20 12:38:54,466 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2022-11-20 12:38:54,470 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2022-11-20 12:38:54,472 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:38:54,480 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,481 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,481 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,481 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,481 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52,QUANTIFIED] [2022-11-20 12:38:54,481 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,482 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,482 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,482 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,482 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,483 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52,QUANTIFIED] [2022-11-20 12:38:54,483 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,483 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,483 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,483 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,484 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,484 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,484 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52,QUANTIFIED] [2022-11-20 12:38:54,492 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,492 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,492 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,493 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,493 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52,QUANTIFIED] [2022-11-20 12:38:54,493 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,493 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,493 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,494 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,494 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,494 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52,QUANTIFIED] [2022-11-20 12:38:54,494 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,494 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,495 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,495 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,495 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,495 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,496 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52,QUANTIFIED] [2022-11-20 12:38:54,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:38:54 BoogieIcfgContainer [2022-11-20 12:38:54,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:38:54,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:38:54,498 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:38:54,499 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:38:54,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:36:41" (3/4) ... [2022-11-20 12:38:54,502 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:38:54,509 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-20 12:38:54,509 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-20 12:38:54,513 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-20 12:38:54,513 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 12:38:54,513 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 12:38:54,513 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:38:54,539 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((b <= 100 && 1 <= b) && x % 2 == 0) && (\exists aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 : int, aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 : int, aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52 : int :: (((((((0 <= aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 * 2 + aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 && 0 <= aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 * 2 + aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 + aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52 * 2) && aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 * 2 + aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 < 2) && 0 <= aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63) && !(aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 * 2 + aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 + aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52 * 2 == 1)) && 0 <= 2 * y + aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63) && aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 < 2) && a * b == aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 * (-x / -2) * 2 + 2 * (-x / -2 * y) + -x / -2 * aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 + z) && aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 * 2 + aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 + aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52 * 2 < 2)) || ((((b == y && b <= 100) && 1 <= b) && z == 0) && a == x) [2022-11-20 12:38:54,547 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:38:54,547 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:38:54,548 INFO L158 Benchmark]: Toolchain (without parser) took 133523.02ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 129.5MB in the beginning and 79.9MB in the end (delta: 49.6MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. [2022-11-20 12:38:54,548 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:38:54,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.16ms. Allocated memory is still 163.6MB. Free memory was 129.5MB in the beginning and 133.8MB in the end (delta: -4.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 12:38:54,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.54ms. Allocated memory is still 163.6MB. Free memory was 133.8MB in the beginning and 132.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:38:54,549 INFO L158 Benchmark]: Boogie Preprocessor took 20.74ms. Allocated memory is still 163.6MB. Free memory was 132.1MB in the beginning and 130.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:38:54,549 INFO L158 Benchmark]: RCFGBuilder took 326.46ms. Allocated memory is still 163.6MB. Free memory was 130.9MB in the beginning and 120.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:38:54,550 INFO L158 Benchmark]: TraceAbstraction took 132677.33ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 120.0MB in the beginning and 82.0MB in the end (delta: 38.0MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. [2022-11-20 12:38:54,550 INFO L158 Benchmark]: Witness Printer took 49.02ms. Allocated memory is still 203.4MB. Free memory was 82.0MB in the beginning and 79.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:38:54,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.16ms. Allocated memory is still 163.6MB. Free memory was 129.5MB in the beginning and 133.8MB in the end (delta: -4.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.54ms. Allocated memory is still 163.6MB. Free memory was 133.8MB in the beginning and 132.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.74ms. Allocated memory is still 163.6MB. Free memory was 132.1MB in the beginning and 130.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 326.46ms. Allocated memory is still 163.6MB. Free memory was 130.9MB in the beginning and 120.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 132677.33ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 120.0MB in the beginning and 82.0MB in the end (delta: 38.0MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. * Witness Printer took 49.02ms. Allocated memory is still 203.4MB. Free memory was 82.0MB in the beginning and 79.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 132.6s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 34.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 26.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 25.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 163 mSDsluCounter, 1031 SdHoareTripleChecker+Invalid, 24.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 41 IncrementalHoareTripleChecker+Unchecked, 840 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1585 IncrementalHoareTripleChecker+Invalid, 1717 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 191 mSDtfsCounter, 1585 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 589 GetRequests, 451 SyntacticMatches, 4 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 57.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=8, InterpolantAutomatonStates: 93, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 16 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 32 PreInvPairs, 60 NumberOfFragments, 281 HoareAnnotationTreeSize, 32 FomulaSimplifications, 127 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3064 FormulaSimplificationTreeSizeReductionInter, 26.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 68.7s InterpolantComputationTime, 369 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 538 ConstructedInterpolants, 3 QuantifiedInterpolants, 3702 SizeOfPredicates, 29 NumberOfNonLiveVariables, 910 ConjunctsInSsa, 194 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 373/452 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant [2022-11-20 12:38:54,564 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,564 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,564 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,564 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,565 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52,QUANTIFIED] [2022-11-20 12:38:54,565 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,565 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,565 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,565 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,566 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,566 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52,QUANTIFIED] [2022-11-20 12:38:54,566 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,566 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,566 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,567 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,567 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,567 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,567 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52,QUANTIFIED] [2022-11-20 12:38:54,568 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,568 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,568 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,569 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,569 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52,QUANTIFIED] [2022-11-20 12:38:54,569 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,569 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,569 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,570 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,570 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,570 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52,QUANTIFIED] [2022-11-20 12:38:54,570 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,571 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,571 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,571 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,571 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,571 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63,QUANTIFIED] [2022-11-20 12:38:54,571 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52,QUANTIFIED] Derived loop invariant: (((b <= 100 && 1 <= b) && x % 2 == 0) && (\exists aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 : int, aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 : int, aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52 : int :: (((((((0 <= aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 * 2 + aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 && 0 <= aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 * 2 + aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 + aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52 * 2) && aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 * 2 + aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 < 2) && 0 <= aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63) && !(aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 * 2 + aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 + aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52 * 2 == 1)) && 0 <= 2 * y + aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63) && aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 < 2) && a * b == aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 * (-x / -2) * 2 + 2 * (-x / -2 * y) + -x / -2 * aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 + z) && aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 * 2 + aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52_63 + aux_div_aux_mod_v_ULTIMATE.start_main_~y~0#1_47_41_52 * 2 < 2)) || ((((b == y && b <= 100) && 1 <= b) && z == 0) && a == x) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 12:38:54,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6176d37b-24a6-4f13-9c04-7ef91881cd65/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE