./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 715908359373978289cc76ce2f00faf49f4d4a3c6ddae64771646fc969bea981 --- 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-2329fc7 [2022-12-13 12:59:50,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:59:50,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:59:50,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:59:50,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:59:50,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:59:50,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:59:50,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:59:50,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:59:50,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:59:50,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:59:50,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:59:50,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:59:50,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:59:50,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:59:50,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:59:50,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:59:50,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:59:50,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:59:50,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:59:50,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:59:50,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:59:50,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:59:50,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:59:50,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:59:50,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:59:50,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:59:50,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:59:50,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:59:50,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:59:50,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:59:50,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:59:50,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:59:50,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:59:50,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:59:50,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:59:50,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:59:50,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:59:50,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:59:50,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:59:50,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:59:50,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 12:59:50,695 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:59:50,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:59:50,696 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:59:50,696 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:59:50,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:59:50,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:59:50,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:59:50,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:59:50,698 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:59:50,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:59:50,698 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:59:50,698 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:59:50,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:59:50,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:59:50,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:59:50,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:59:50,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:59:50,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:59:50,699 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 12:59:50,700 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:59:50,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:59:50,700 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:59:50,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:59:50,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:59:50,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:59:50,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:59:50,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:59:50,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:59:50,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:59:50,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:59:50,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:59:50,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:59:50,701 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:59:50,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:59:50,702 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:59:50,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:59:50,702 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:59:50,702 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 715908359373978289cc76ce2f00faf49f4d4a3c6ddae64771646fc969bea981 [2022-12-13 12:59:50,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:59:50,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:59:50,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:59:50,913 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:59:50,913 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:59:50,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2022-12-13 12:59:53,458 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:59:53,618 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:59:53,618 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2022-12-13 12:59:53,622 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/data/412607042/2961b270e53f43c897045e501a065e43/FLAG4a7e9a221 [2022-12-13 12:59:54,031 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/data/412607042/2961b270e53f43c897045e501a065e43 [2022-12-13 12:59:54,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:59:54,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:59:54,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:59:54,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:59:54,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:59:54,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:59:54" (1/1) ... [2022-12-13 12:59:54,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5431ddba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:59:54, skipping insertion in model container [2022-12-13 12:59:54,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:59:54" (1/1) ... [2022-12-13 12:59:54,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:59:54,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:59:54,146 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_a6899435-0a79-4d30-8973-3c89b5815b19/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c[454,467] [2022-12-13 12:59:54,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:59:54,154 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:59:54,163 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_a6899435-0a79-4d30-8973-3c89b5815b19/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c[454,467] [2022-12-13 12:59:54,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:59:54,172 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:59:54,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:59:54 WrapperNode [2022-12-13 12:59:54,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:59:54,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:59:54,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:59:54,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:59:54,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:59:54" (1/1) ... [2022-12-13 12:59:54,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:59:54" (1/1) ... [2022-12-13 12:59:54,192 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-12-13 12:59:54,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:59:54,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:59:54,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:59:54,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:59:54,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:59:54" (1/1) ... [2022-12-13 12:59:54,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:59:54" (1/1) ... [2022-12-13 12:59:54,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:59:54" (1/1) ... [2022-12-13 12:59:54,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:59:54" (1/1) ... [2022-12-13 12:59:54,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:59:54" (1/1) ... [2022-12-13 12:59:54,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:59:54" (1/1) ... [2022-12-13 12:59:54,202 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:59:54" (1/1) ... [2022-12-13 12:59:54,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:59:54" (1/1) ... [2022-12-13 12:59:54,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:59:54,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:59:54,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:59:54,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:59:54,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:59:54" (1/1) ... [2022-12-13 12:59:54,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:59:54,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:59:54,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:59:54,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:59:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:59:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:59:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:59:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:59:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-12-13 12:59:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-12-13 12:59:54,299 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:59:54,300 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:59:54,375 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:59:54,379 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:59:54,379 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:59:54,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:59:54 BoogieIcfgContainer [2022-12-13 12:59:54,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:59:54,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:59:54,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:59:54,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:59:54,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:59:54" (1/3) ... [2022-12-13 12:59:54,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c72e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:59:54, skipping insertion in model container [2022-12-13 12:59:54,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:59:54" (2/3) ... [2022-12-13 12:59:54,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c72e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:59:54, skipping insertion in model container [2022-12-13 12:59:54,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:59:54" (3/3) ... [2022-12-13 12:59:54,387 INFO L112 eAbstractionObserver]: Analyzing ICFG id_i15_o15-1.c [2022-12-13 12:59:54,399 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:59:54,400 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 12:59:54,434 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:59:54,439 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;@1826d830, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:59:54,439 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 12:59:54,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 15 states have (on average 1.4) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 12:59:54,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 12:59:54,447 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:59:54,447 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 12:59:54,448 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 12:59:54,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:59:54,451 INFO L85 PathProgramCache]: Analyzing trace with hash 890289268, now seen corresponding path program 1 times [2022-12-13 12:59:54,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:59:54,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006580707] [2022-12-13 12:59:54,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:59:54,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:59:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:59:54,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:59:54,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:59:54,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006580707] [2022-12-13 12:59:54,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006580707] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:59:54,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:59:54,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:59:54,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207059655] [2022-12-13 12:59:54,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:59:54,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:59:54,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:59:54,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:59:54,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:59:54,658 INFO L87 Difference]: Start difference. First operand has 23 states, 15 states have (on average 1.4) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:59:54,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:59:54,723 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2022-12-13 12:59:54,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:59:54,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-13 12:59:54,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:59:54,731 INFO L225 Difference]: With dead ends: 45 [2022-12-13 12:59:54,731 INFO L226 Difference]: Without dead ends: 27 [2022-12-13 12:59:54,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:59:54,735 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 23 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:59:54,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 68 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:59:54,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-12-13 12:59:54,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2022-12-13 12:59:54,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 12:59:54,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-12-13 12:59:54,762 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 6 [2022-12-13 12:59:54,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:59:54,762 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-12-13 12:59:54,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:59:54,762 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-12-13 12:59:54,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 12:59:54,763 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:59:54,763 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:59:54,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:59:54,764 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 12:59:54,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:59:54,764 INFO L85 PathProgramCache]: Analyzing trace with hash 218045489, now seen corresponding path program 1 times [2022-12-13 12:59:54,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:59:54,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276760936] [2022-12-13 12:59:54,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:59:54,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:59:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:59:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:59:54,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:59:54,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276760936] [2022-12-13 12:59:54,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276760936] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:59:54,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619087098] [2022-12-13 12:59:54,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:59:54,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:59:54,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:59:54,861 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:59:54,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 12:59:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:59:54,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 12:59:54,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:59:54,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:59:54,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:59:55,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:59:55,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619087098] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:59:55,031 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 12:59:55,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2022-12-13 12:59:55,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102328462] [2022-12-13 12:59:55,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 12:59:55,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 12:59:55,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:59:55,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 12:59:55,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-12-13 12:59:55,034 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 15 states, 11 states have (on average 2.0) internal successors, (22), 10 states have internal predecessors, (22), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:59:55,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:59:55,194 INFO L93 Difference]: Finished difference Result 78 states and 84 transitions. [2022-12-13 12:59:55,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 12:59:55,195 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 2.0) internal successors, (22), 10 states have internal predecessors, (22), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-13 12:59:55,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:59:55,197 INFO L225 Difference]: With dead ends: 78 [2022-12-13 12:59:55,197 INFO L226 Difference]: Without dead ends: 70 [2022-12-13 12:59:55,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2022-12-13 12:59:55,198 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 97 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:59:55,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 107 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:59:55,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-12-13 12:59:55,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 55. [2022-12-13 12:59:55,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 44 states have internal predecessors, (58), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 12:59:55,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2022-12-13 12:59:55,206 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 11 [2022-12-13 12:59:55,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:59:55,207 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2022-12-13 12:59:55,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 2.0) internal successors, (22), 10 states have internal predecessors, (22), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:59:55,207 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2022-12-13 12:59:55,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 12:59:55,207 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:59:55,207 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-13 12:59:55,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 12:59:55,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:59:55,410 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 12:59:55,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:59:55,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1830524380, now seen corresponding path program 1 times [2022-12-13 12:59:55,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:59:55,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854016072] [2022-12-13 12:59:55,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:59:55,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:59:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:59:55,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:59:55,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:59:55,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854016072] [2022-12-13 12:59:55,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854016072] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:59:55,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054217404] [2022-12-13 12:59:55,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:59:55,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:59:55,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:59:55,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:59:55,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 12:59:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:59:55,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 12:59:55,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:59:55,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:59:55,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:59:55,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054217404] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:59:55,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 12:59:55,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2022-12-13 12:59:55,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664852682] [2022-12-13 12:59:55,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:59:55,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 12:59:55,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:59:55,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 12:59:55,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:59:55,672 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:59:55,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:59:55,728 INFO L93 Difference]: Finished difference Result 57 states and 69 transitions. [2022-12-13 12:59:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:59:55,729 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-13 12:59:55,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:59:55,730 INFO L225 Difference]: With dead ends: 57 [2022-12-13 12:59:55,731 INFO L226 Difference]: Without dead ends: 56 [2022-12-13 12:59:55,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-13 12:59:55,732 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 41 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:59:55,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 32 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:59:55,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-12-13 12:59:55,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2022-12-13 12:59:55,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 43 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 12:59:55,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2022-12-13 12:59:55,742 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 65 transitions. Word has length 12 [2022-12-13 12:59:55,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:59:55,742 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 65 transitions. [2022-12-13 12:59:55,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:59:55,743 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2022-12-13 12:59:55,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 12:59:55,743 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:59:55,743 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:59:55,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 12:59:55,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:59:55,946 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 12:59:55,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:59:55,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1359868900, now seen corresponding path program 1 times [2022-12-13 12:59:55,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:59:55,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655609953] [2022-12-13 12:59:55,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:59:55,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:59:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:59:56,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 12:59:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:59:56,106 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 12:59:56,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:59:56,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655609953] [2022-12-13 12:59:56,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655609953] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:59:56,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:59:56,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:59:56,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613798152] [2022-12-13 12:59:56,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:59:56,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:59:56,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:59:56,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:59:56,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:59:56,110 INFO L87 Difference]: Start difference. First operand 54 states and 65 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 12:59:56,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:59:56,128 INFO L93 Difference]: Finished difference Result 74 states and 92 transitions. [2022-12-13 12:59:56,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:59:56,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-12-13 12:59:56,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:59:56,129 INFO L225 Difference]: With dead ends: 74 [2022-12-13 12:59:56,130 INFO L226 Difference]: Without dead ends: 72 [2022-12-13 12:59:56,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:59:56,131 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:59:56,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 38 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:59:56,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-12-13 12:59:56,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-12-13 12:59:56,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 57 states have internal predecessors, (69), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2022-12-13 12:59:56,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2022-12-13 12:59:56,141 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 19 [2022-12-13 12:59:56,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:59:56,141 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2022-12-13 12:59:56,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 12:59:56,141 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2022-12-13 12:59:56,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 12:59:56,142 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:59:56,142 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:59:56,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:59:56,143 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 12:59:56,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:59:56,143 INFO L85 PathProgramCache]: Analyzing trace with hash -2128706883, now seen corresponding path program 1 times [2022-12-13 12:59:56,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:59:56,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663815039] [2022-12-13 12:59:56,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:59:56,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:59:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:59:56,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 12:59:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:59:56,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 12:59:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:59:56,183 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 12:59:56,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:59:56,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663815039] [2022-12-13 12:59:56,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663815039] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:59:56,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:59:56,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:59:56,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423537420] [2022-12-13 12:59:56,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:59:56,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:59:56,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:59:56,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:59:56,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:59:56,185 INFO L87 Difference]: Start difference. First operand 72 states and 84 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 12:59:56,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:59:56,193 INFO L93 Difference]: Finished difference Result 72 states and 84 transitions. [2022-12-13 12:59:56,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:59:56,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-12-13 12:59:56,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:59:56,195 INFO L225 Difference]: With dead ends: 72 [2022-12-13 12:59:56,195 INFO L226 Difference]: Without dead ends: 71 [2022-12-13 12:59:56,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:59:56,196 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:59:56,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 25 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:59:56,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-12-13 12:59:56,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-12-13 12:59:56,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.1428571428571428) internal successors, (64), 56 states have internal predecessors, (64), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2022-12-13 12:59:56,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2022-12-13 12:59:56,206 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 24 [2022-12-13 12:59:56,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:59:56,206 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2022-12-13 12:59:56,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 12:59:56,206 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2022-12-13 12:59:56,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 12:59:56,207 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:59:56,207 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1] [2022-12-13 12:59:56,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:59:56,207 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 12:59:56,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:59:56,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1565773644, now seen corresponding path program 2 times [2022-12-13 12:59:56,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:59:56,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779740409] [2022-12-13 12:59:56,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:59:56,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:59:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:59:56,342 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:59:56,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:59:56,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779740409] [2022-12-13 12:59:56,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779740409] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:59:56,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184782891] [2022-12-13 12:59:56,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 12:59:56,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:59:56,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:59:56,344 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:59:56,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 12:59:56,377 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 12:59:56,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 12:59:56,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 12:59:56,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:59:56,438 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:59:56,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:59:56,585 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:59:56,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184782891] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:59:56,585 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 12:59:56,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 26 [2022-12-13 12:59:56,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259199120] [2022-12-13 12:59:56,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 12:59:56,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-13 12:59:56,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:59:56,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-13 12:59:56,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2022-12-13 12:59:56,587 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 27 states, 23 states have (on average 2.0) internal successors, (46), 16 states have internal predecessors, (46), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:59:56,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:59:56,914 INFO L93 Difference]: Finished difference Result 188 states and 204 transitions. [2022-12-13 12:59:56,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 12:59:56,915 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 23 states have (on average 2.0) internal successors, (46), 16 states have internal predecessors, (46), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-12-13 12:59:56,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:59:56,916 INFO L225 Difference]: With dead ends: 188 [2022-12-13 12:59:56,916 INFO L226 Difference]: Without dead ends: 156 [2022-12-13 12:59:56,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=419, Invalid=1221, Unknown=0, NotChecked=0, Total=1640 [2022-12-13 12:59:56,917 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 218 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:59:56,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 224 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:59:56,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-12-13 12:59:56,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 146. [2022-12-13 12:59:56,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 116 states have (on average 1.146551724137931) internal successors, (133), 116 states have internal predecessors, (133), 12 states have call successors, (12), 11 states have call predecessors, (12), 16 states have return successors, (18), 18 states have call predecessors, (18), 11 states have call successors, (18) [2022-12-13 12:59:56,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 163 transitions. [2022-12-13 12:59:56,927 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 163 transitions. Word has length 26 [2022-12-13 12:59:56,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:59:56,927 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 163 transitions. [2022-12-13 12:59:56,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 23 states have (on average 2.0) internal successors, (46), 16 states have internal predecessors, (46), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:59:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 163 transitions. [2022-12-13 12:59:56,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-13 12:59:56,928 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:59:56,928 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-13 12:59:56,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 12:59:57,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:59:57,130 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 12:59:57,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:59:57,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1697859681, now seen corresponding path program 1 times [2022-12-13 12:59:57,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:59:57,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019810236] [2022-12-13 12:59:57,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:59:57,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:59:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:59:57,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 12:59:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:59:57,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 12:59:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:59:57,325 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-12-13 12:59:57,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:59:57,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019810236] [2022-12-13 12:59:57,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019810236] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:59:57,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889266839] [2022-12-13 12:59:57,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:59:57,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:59:57,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:59:57,326 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:59:57,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 12:59:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:59:57,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 12:59:57,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:59:57,484 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 12:59:57,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:59:57,737 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 12:59:57,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889266839] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:59:57,738 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 12:59:57,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 15] total 30 [2022-12-13 12:59:57,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968095065] [2022-12-13 12:59:57,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 12:59:57,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-12-13 12:59:57,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:59:57,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-12-13 12:59:57,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2022-12-13 12:59:57,740 INFO L87 Difference]: Start difference. First operand 146 states and 163 transitions. Second operand has 30 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 22 states have internal predecessors, (69), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-12-13 12:59:58,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:59:58,044 INFO L93 Difference]: Finished difference Result 208 states and 227 transitions. [2022-12-13 12:59:58,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-13 12:59:58,045 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 22 states have internal predecessors, (69), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 40 [2022-12-13 12:59:58,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:59:58,046 INFO L225 Difference]: With dead ends: 208 [2022-12-13 12:59:58,046 INFO L226 Difference]: Without dead ends: 142 [2022-12-13 12:59:58,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 65 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=338, Invalid=1468, Unknown=0, NotChecked=0, Total=1806 [2022-12-13 12:59:58,049 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 214 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:59:58,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 327 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:59:58,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-12-13 12:59:58,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 134. [2022-12-13 12:59:58,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 107 states have (on average 1.1121495327102804) internal successors, (119), 106 states have internal predecessors, (119), 12 states have call successors, (12), 11 states have call predecessors, (12), 13 states have return successors, (16), 16 states have call predecessors, (16), 11 states have call successors, (16) [2022-12-13 12:59:58,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 147 transitions. [2022-12-13 12:59:58,062 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 147 transitions. Word has length 40 [2022-12-13 12:59:58,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:59:58,063 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 147 transitions. [2022-12-13 12:59:58,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 22 states have internal predecessors, (69), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-12-13 12:59:58,063 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 147 transitions. [2022-12-13 12:59:58,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-13 12:59:58,064 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:59:58,064 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1] [2022-12-13 12:59:58,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 12:59:58,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:59:58,266 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 12:59:58,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:59:58,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1007268628, now seen corresponding path program 3 times [2022-12-13 12:59:58,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:59:58,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026895530] [2022-12-13 12:59:58,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:59:58,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:59:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:59:58,683 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:59:58,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:59:58,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026895530] [2022-12-13 12:59:58,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026895530] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:59:58,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086986477] [2022-12-13 12:59:58,683 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 12:59:58,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:59:58,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:59:58,685 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:59:58,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 12:59:58,727 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-12-13 12:59:58,727 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 12:59:58,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-13 12:59:58,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:59:58,825 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:59:58,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:59:59,243 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:59:59,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086986477] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:59:59,244 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 12:59:59,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 50 [2022-12-13 12:59:59,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377705412] [2022-12-13 12:59:59,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 12:59:59,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-12-13 12:59:59,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:59:59,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-12-13 12:59:59,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=608, Invalid=1942, Unknown=0, NotChecked=0, Total=2550 [2022-12-13 12:59:59,247 INFO L87 Difference]: Start difference. First operand 134 states and 147 transitions. Second operand has 51 states, 47 states have (on average 2.0) internal successors, (94), 28 states have internal predecessors, (94), 24 states have call successors, (24), 23 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:00:00,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:00:00,075 INFO L93 Difference]: Finished difference Result 438 states and 470 transitions. [2022-12-13 13:00:00,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-12-13 13:00:00,075 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 47 states have (on average 2.0) internal successors, (94), 28 states have internal predecessors, (94), 24 states have call successors, (24), 23 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-12-13 13:00:00,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:00:00,076 INFO L225 Difference]: With dead ends: 438 [2022-12-13 13:00:00,076 INFO L226 Difference]: Without dead ends: 386 [2022-12-13 13:00:00,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1523 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1796, Invalid=5010, Unknown=0, NotChecked=0, Total=6806 [2022-12-13 13:00:00,078 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 787 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 13:00:00,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 503 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 13:00:00,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-12-13 13:00:00,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 364. [2022-12-13 13:00:00,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 291 states have (on average 1.120274914089347) internal successors, (326), 290 states have internal predecessors, (326), 24 states have call successors, (24), 23 states have call predecessors, (24), 47 states have return successors, (50), 50 states have call predecessors, (50), 23 states have call successors, (50) [2022-12-13 13:00:00,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 400 transitions. [2022-12-13 13:00:00,091 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 400 transitions. Word has length 56 [2022-12-13 13:00:00,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:00:00,091 INFO L495 AbstractCegarLoop]: Abstraction has 364 states and 400 transitions. [2022-12-13 13:00:00,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 47 states have (on average 2.0) internal successors, (94), 28 states have internal predecessors, (94), 24 states have call successors, (24), 23 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:00:00,092 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 400 transitions. [2022-12-13 13:00:00,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-13 13:00:00,093 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:00:00,093 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2022-12-13 13:00:00,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 13:00:00,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:00:00,294 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:00:00,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:00:00,294 INFO L85 PathProgramCache]: Analyzing trace with hash 463134068, now seen corresponding path program 2 times [2022-12-13 13:00:00,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:00:00,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202049291] [2022-12-13 13:00:00,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:00:00,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:00:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:00,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 13:00:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:00,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:00,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:00,623 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 299 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 13:00:00,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:00:00,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202049291] [2022-12-13 13:00:00,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202049291] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:00:00,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047141046] [2022-12-13 13:00:00,623 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 13:00:00,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:00:00,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:00:00,625 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:00:00,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 13:00:00,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 13:00:00,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:00:00,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-13 13:00:00,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:00:00,817 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 297 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 13:00:00,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:00:01,191 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 303 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 13:00:01,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047141046] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:00:01,191 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:00:01,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 27] total 41 [2022-12-13 13:00:01,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407381375] [2022-12-13 13:00:01,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:00:01,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-12-13 13:00:01,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:00:01,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-12-13 13:00:01,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=1336, Unknown=0, NotChecked=0, Total=1640 [2022-12-13 13:00:01,193 INFO L87 Difference]: Start difference. First operand 364 states and 400 transitions. Second operand has 41 states, 38 states have (on average 2.3684210526315788) internal successors, (90), 28 states have internal predecessors, (90), 20 states have call successors, (21), 14 states have call predecessors, (21), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2022-12-13 13:00:01,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:00:01,523 INFO L93 Difference]: Finished difference Result 457 states and 492 transitions. [2022-12-13 13:00:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-12-13 13:00:01,523 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 38 states have (on average 2.3684210526315788) internal successors, (90), 28 states have internal predecessors, (90), 20 states have call successors, (21), 14 states have call predecessors, (21), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) Word has length 75 [2022-12-13 13:00:01,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:00:01,525 INFO L225 Difference]: With dead ends: 457 [2022-12-13 13:00:01,526 INFO L226 Difference]: Without dead ends: 356 [2022-12-13 13:00:01,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 124 SyntacticMatches, 15 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1091 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=672, Invalid=2520, Unknown=0, NotChecked=0, Total=3192 [2022-12-13 13:00:01,528 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 280 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:00:01,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 761 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:00:01,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2022-12-13 13:00:01,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 324. [2022-12-13 13:00:01,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 259 states have (on average 1.1196911196911197) internal successors, (290), 258 states have internal predecessors, (290), 24 states have call successors, (24), 23 states have call predecessors, (24), 39 states have return successors, (42), 42 states have call predecessors, (42), 23 states have call successors, (42) [2022-12-13 13:00:01,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 356 transitions. [2022-12-13 13:00:01,545 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 356 transitions. Word has length 75 [2022-12-13 13:00:01,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:00:01,546 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 356 transitions. [2022-12-13 13:00:01,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 38 states have (on average 2.3684210526315788) internal successors, (90), 28 states have internal predecessors, (90), 20 states have call successors, (21), 14 states have call predecessors, (21), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2022-12-13 13:00:01,546 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 356 transitions. [2022-12-13 13:00:01,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-13 13:00:01,548 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:00:01,548 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2022-12-13 13:00:01,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 13:00:01,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:00:01,749 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:00:01,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:00:01,750 INFO L85 PathProgramCache]: Analyzing trace with hash 851448116, now seen corresponding path program 3 times [2022-12-13 13:00:01,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:00:01,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618427175] [2022-12-13 13:00:01,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:00:01,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:00:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:01,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 13:00:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:01,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:01,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:01,901 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2022-12-13 13:00:01,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:00:01,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618427175] [2022-12-13 13:00:01,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618427175] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:00:01,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124258108] [2022-12-13 13:00:01,901 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 13:00:01,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:00:01,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:00:01,902 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:00:01,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 13:00:01,935 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-13 13:00:01,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:00:01,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 13:00:01,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:00:01,966 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-12-13 13:00:01,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:00:02,090 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-12-13 13:00:02,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124258108] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:00:02,090 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:00:02,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2022-12-13 13:00:02,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130411943] [2022-12-13 13:00:02,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:00:02,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-13 13:00:02,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:00:02,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-13 13:00:02,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-12-13 13:00:02,092 INFO L87 Difference]: Start difference. First operand 324 states and 356 transitions. Second operand has 17 states, 16 states have (on average 2.375) internal successors, (38), 17 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-13 13:00:02,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:00:02,199 INFO L93 Difference]: Finished difference Result 567 states and 652 transitions. [2022-12-13 13:00:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 13:00:02,199 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.375) internal successors, (38), 17 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) Word has length 95 [2022-12-13 13:00:02,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:00:02,201 INFO L225 Difference]: With dead ends: 567 [2022-12-13 13:00:02,201 INFO L226 Difference]: Without dead ends: 566 [2022-12-13 13:00:02,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=183, Invalid=629, Unknown=0, NotChecked=0, Total=812 [2022-12-13 13:00:02,202 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 34 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:00:02,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 51 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:00:02,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2022-12-13 13:00:02,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 566. [2022-12-13 13:00:02,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 455 states have (on average 1.0681318681318681) internal successors, (486), 450 states have internal predecessors, (486), 24 states have call successors, (24), 23 states have call predecessors, (24), 85 states have return successors, (92), 92 states have call predecessors, (92), 23 states have call successors, (92) [2022-12-13 13:00:02,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 602 transitions. [2022-12-13 13:00:02,215 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 602 transitions. Word has length 95 [2022-12-13 13:00:02,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:00:02,215 INFO L495 AbstractCegarLoop]: Abstraction has 566 states and 602 transitions. [2022-12-13 13:00:02,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.375) internal successors, (38), 17 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-13 13:00:02,216 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 602 transitions. [2022-12-13 13:00:02,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-13 13:00:02,217 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:00:02,217 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1, 1] [2022-12-13 13:00:02,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 13:00:02,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 13:00:02,418 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:00:02,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:00:02,419 INFO L85 PathProgramCache]: Analyzing trace with hash -249724972, now seen corresponding path program 4 times [2022-12-13 13:00:02,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:00:02,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891227525] [2022-12-13 13:00:02,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:00:02,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:00:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:03,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:00:03,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:00:03,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891227525] [2022-12-13 13:00:03,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891227525] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:00:03,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351383951] [2022-12-13 13:00:03,186 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 13:00:03,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:00:03,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:00:03,187 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:00:03,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 13:00:03,230 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 13:00:03,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:00:03,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-13 13:00:03,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:00:03,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:00:03,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:00:04,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:00:04,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351383951] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:00:04,607 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:00:04,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 98 [2022-12-13 13:00:04,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694380373] [2022-12-13 13:00:04,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:00:04,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2022-12-13 13:00:04,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:00:04,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2022-12-13 13:00:04,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2360, Invalid=7342, Unknown=0, NotChecked=0, Total=9702 [2022-12-13 13:00:04,610 INFO L87 Difference]: Start difference. First operand 566 states and 602 transitions. Second operand has 99 states, 95 states have (on average 2.0) internal successors, (190), 52 states have internal predecessors, (190), 48 states have call successors, (48), 47 states have call predecessors, (48), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:00:04,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:00:04,940 INFO L93 Difference]: Finished difference Result 581 states and 602 transitions. [2022-12-13 13:00:04,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 13:00:04,941 INFO L78 Accepts]: Start accepts. Automaton has has 99 states, 95 states have (on average 2.0) internal successors, (190), 52 states have internal predecessors, (190), 48 states have call successors, (48), 47 states have call predecessors, (48), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-12-13 13:00:04,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:00:04,942 INFO L225 Difference]: With dead ends: 581 [2022-12-13 13:00:04,942 INFO L226 Difference]: Without dead ends: 580 [2022-12-13 13:00:04,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3218 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=3827, Invalid=9513, Unknown=0, NotChecked=0, Total=13340 [2022-12-13 13:00:04,945 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 557 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:00:04,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 590 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:00:04,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2022-12-13 13:00:04,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 565. [2022-12-13 13:00:04,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 455 states have (on average 1.065934065934066) internal successors, (485), 449 states have internal predecessors, (485), 24 states have call successors, (24), 23 states have call predecessors, (24), 85 states have return successors, (92), 92 states have call predecessors, (92), 23 states have call successors, (92) [2022-12-13 13:00:04,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 601 transitions. [2022-12-13 13:00:04,957 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 601 transitions. Word has length 116 [2022-12-13 13:00:04,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:00:04,957 INFO L495 AbstractCegarLoop]: Abstraction has 565 states and 601 transitions. [2022-12-13 13:00:04,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 95 states have (on average 2.0) internal successors, (190), 52 states have internal predecessors, (190), 48 states have call successors, (48), 47 states have call predecessors, (48), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:00:04,958 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 601 transitions. [2022-12-13 13:00:04,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-12-13 13:00:04,959 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:00:04,959 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1] [2022-12-13 13:00:04,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 13:00:05,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:00:05,161 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:00:05,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:00:05,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1949929100, now seen corresponding path program 4 times [2022-12-13 13:00:05,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:00:05,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386148292] [2022-12-13 13:00:05,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:00:05,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:00:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:05,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 13:00:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:05,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:05,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:05,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:05,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:05,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:05,477 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 15 proven. 105 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2022-12-13 13:00:05,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:00:05,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386148292] [2022-12-13 13:00:05,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386148292] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:00:05,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306764457] [2022-12-13 13:00:05,478 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 13:00:05,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:00:05,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:00:05,479 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:00:05,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 13:00:05,530 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 13:00:05,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:00:05,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-13 13:00:05,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:00:05,589 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-12-13 13:00:05,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:00:06,527 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-12-13 13:00:06,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306764457] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:00:06,527 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:00:06,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 32 [2022-12-13 13:00:06,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63751559] [2022-12-13 13:00:06,527 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:00:06,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-12-13 13:00:06,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:00:06,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-12-13 13:00:06,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2022-12-13 13:00:06,529 INFO L87 Difference]: Start difference. First operand 565 states and 601 transitions. Second operand has 33 states, 32 states have (on average 2.1875) internal successors, (70), 33 states have internal predecessors, (70), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) [2022-12-13 13:00:06,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:00:06,767 INFO L93 Difference]: Finished difference Result 1290 states and 1481 transitions. [2022-12-13 13:00:06,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 13:00:06,767 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 2.1875) internal successors, (70), 33 states have internal predecessors, (70), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) Word has length 115 [2022-12-13 13:00:06,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:00:06,770 INFO L225 Difference]: With dead ends: 1290 [2022-12-13 13:00:06,770 INFO L226 Difference]: Without dead ends: 1289 [2022-12-13 13:00:06,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1365 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=751, Invalid=2909, Unknown=0, NotChecked=0, Total=3660 [2022-12-13 13:00:06,772 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 65 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:00:06,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 53 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:00:06,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2022-12-13 13:00:06,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2022-12-13 13:00:06,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1039 states have (on average 1.0288739172281038) internal successors, (1069), 1025 states have internal predecessors, (1069), 24 states have call successors, (24), 23 states have call predecessors, (24), 225 states have return successors, (240), 240 states have call predecessors, (240), 23 states have call successors, (240) [2022-12-13 13:00:06,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1333 transitions. [2022-12-13 13:00:06,796 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1333 transitions. Word has length 115 [2022-12-13 13:00:06,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:00:06,796 INFO L495 AbstractCegarLoop]: Abstraction has 1289 states and 1333 transitions. [2022-12-13 13:00:06,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 2.1875) internal successors, (70), 33 states have internal predecessors, (70), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) [2022-12-13 13:00:06,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1333 transitions. [2022-12-13 13:00:06,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-12-13 13:00:06,798 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:00:06,799 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 15, 15, 14, 1, 1, 1, 1, 1] [2022-12-13 13:00:06,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-12-13 13:00:06,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 13:00:06,999 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:00:07,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:00:07,000 INFO L85 PathProgramCache]: Analyzing trace with hash 994791924, now seen corresponding path program 5 times [2022-12-13 13:00:07,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:00:07,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797221644] [2022-12-13 13:00:07,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:00:07,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:00:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:07,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 13:00:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:07,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:07,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:07,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:07,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:07,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:07,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:08,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:08,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:08,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:08,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:08,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 15 proven. 525 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2022-12-13 13:00:08,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:00:08,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797221644] [2022-12-13 13:00:08,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797221644] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:00:08,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777186075] [2022-12-13 13:00:08,245 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-13 13:00:08,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:00:08,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:00:08,246 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:00:08,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 13:00:08,322 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2022-12-13 13:00:08,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:00:08,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 31 conjunts are in the unsatisfiable core [2022-12-13 13:00:08,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:00:08,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-12-13 13:00:08,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:00:15,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-12-13 13:00:15,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777186075] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:00:15,271 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:00:15,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 64 [2022-12-13 13:00:15,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156984761] [2022-12-13 13:00:15,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:00:15,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-12-13 13:00:15,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:00:15,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-12-13 13:00:15,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1057, Invalid=3103, Unknown=0, NotChecked=0, Total=4160 [2022-12-13 13:00:15,273 INFO L87 Difference]: Start difference. First operand 1289 states and 1333 transitions. Second operand has 65 states, 64 states have (on average 2.09375) internal successors, (134), 65 states have internal predecessors, (134), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) [2022-12-13 13:00:15,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:00:15,970 INFO L93 Difference]: Finished difference Result 3098 states and 3509 transitions. [2022-12-13 13:00:15,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-12-13 13:00:15,971 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 64 states have (on average 2.09375) internal successors, (134), 65 states have internal predecessors, (134), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) Word has length 155 [2022-12-13 13:00:15,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:00:15,976 INFO L225 Difference]: With dead ends: 3098 [2022-12-13 13:00:15,976 INFO L226 Difference]: Without dead ends: 1495 [2022-12-13 13:00:15,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6405 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=3039, Invalid=12461, Unknown=0, NotChecked=0, Total=15500 [2022-12-13 13:00:15,982 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 129 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:00:15,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 100 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:00:15,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2022-12-13 13:00:16,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1495. [2022-12-13 13:00:16,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1495 states, 1208 states have (on average 1.0190397350993377) internal successors, (1231), 1187 states have internal predecessors, (1231), 24 states have call successors, (24), 23 states have call predecessors, (24), 262 states have return successors, (284), 284 states have call predecessors, (284), 23 states have call successors, (284) [2022-12-13 13:00:16,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1539 transitions. [2022-12-13 13:00:16,023 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 1539 transitions. Word has length 155 [2022-12-13 13:00:16,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:00:16,024 INFO L495 AbstractCegarLoop]: Abstraction has 1495 states and 1539 transitions. [2022-12-13 13:00:16,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 2.09375) internal successors, (134), 65 states have internal predecessors, (134), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) [2022-12-13 13:00:16,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1539 transitions. [2022-12-13 13:00:16,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-12-13 13:00:16,031 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:00:16,032 INFO L195 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 31, 31, 31, 31, 30, 1, 1, 1, 1, 1] [2022-12-13 13:00:16,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-13 13:00:16,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:00:16,233 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:00:16,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:00:16,233 INFO L85 PathProgramCache]: Analyzing trace with hash -618520076, now seen corresponding path program 6 times [2022-12-13 13:00:16,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:00:16,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351372387] [2022-12-13 13:00:16,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:00:16,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:00:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:16,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 13:00:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:17,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:17,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:17,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:18,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:18,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:18,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:19,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:19,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:19,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:20,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:20,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:20,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:20,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:20,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:21,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:21,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:21,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:21,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:21,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:21,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:21,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:21,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:21,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:21,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:21,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:21,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:21,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 13:00:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:00:22,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4712 backedges. 31 proven. 2325 refuted. 0 times theorem prover too weak. 2356 trivial. 0 not checked. [2022-12-13 13:00:22,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:00:22,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351372387] [2022-12-13 13:00:22,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351372387] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:00:22,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465380581] [2022-12-13 13:00:22,038 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-12-13 13:00:22,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:00:22,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:00:22,039 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:00:22,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 13:00:22,225 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) [2022-12-13 13:00:22,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:00:22,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 66 conjunts are in the unsatisfiable core [2022-12-13 13:00:22,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:00:23,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4712 backedges. 2325 proven. 152 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2022-12-13 13:00:23,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:01:46,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4712 backedges. 2325 proven. 1922 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-12-13 13:01:46,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465380581] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:01:46,002 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:01:46,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 37, 67] total 134 [2022-12-13 13:01:46,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673736552] [2022-12-13 13:01:46,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:01:46,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2022-12-13 13:01:46,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:01:46,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2022-12-13 13:01:46,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2241, Invalid=15581, Unknown=0, NotChecked=0, Total=17822 [2022-12-13 13:01:46,005 INFO L87 Difference]: Start difference. First operand 1495 states and 1539 transitions. Second operand has 134 states, 132 states have (on average 2.977272727272727) internal successors, (393), 132 states have internal predecessors, (393), 36 states have call successors, (37), 3 states have call predecessors, (37), 62 states have return successors, (93), 62 states have call predecessors, (93), 34 states have call successors, (93) [2022-12-13 13:01:46,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:01:46,681 INFO L93 Difference]: Finished difference Result 1495 states and 1539 transitions. [2022-12-13 13:01:46,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 13:01:46,683 INFO L78 Accepts]: Start accepts. Automaton has has 134 states, 132 states have (on average 2.977272727272727) internal successors, (393), 132 states have internal predecessors, (393), 36 states have call successors, (37), 3 states have call predecessors, (37), 62 states have return successors, (93), 62 states have call predecessors, (93), 34 states have call successors, (93) Word has length 315 [2022-12-13 13:01:46,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:01:46,683 INFO L225 Difference]: With dead ends: 1495 [2022-12-13 13:01:46,683 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 13:01:46,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 785 GetRequests, 590 SyntacticMatches, 31 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12318 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=4527, Invalid=22863, Unknown=0, NotChecked=0, Total=27390 [2022-12-13 13:01:46,688 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 919 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 1266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 302 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 13:01:46,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [919 Valid, 261 Invalid, 1266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [302 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 13:01:46,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 13:01:46,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 13:01:46,689 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) [2022-12-13 13:01:46,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 13:01:46,689 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 315 [2022-12-13 13:01:46,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:01:46,689 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 13:01:46,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 132 states have (on average 2.977272727272727) internal successors, (393), 132 states have internal predecessors, (393), 36 states have call successors, (37), 3 states have call predecessors, (37), 62 states have return successors, (93), 62 states have call predecessors, (93), 34 states have call successors, (93) [2022-12-13 13:01:46,689 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 13:01:46,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 13:01:46,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-13 13:01:46,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-13 13:01:46,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-13 13:01:46,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-13 13:01:46,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-13 13:01:46,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:01:46,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 13:01:47,122 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 13:01:47,123 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 13:01:47,123 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 13:01:47,123 INFO L899 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2022-12-13 13:01:47,123 INFO L899 garLoopResultBuilder]: For program point L14(lines 14 16) no Hoare annotation was computed. [2022-12-13 13:01:47,123 INFO L895 garLoopResultBuilder]: At program point L13(line 13) the Hoare annotation is: (= |ULTIMATE.start_main_~input~0#1| 15) [2022-12-13 13:01:47,123 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2022-12-13 13:01:47,123 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 17) no Hoare annotation was computed. [2022-12-13 13:01:47,123 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 13:01:47,123 INFO L899 garLoopResultBuilder]: For program point idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 8) no Hoare annotation was computed. [2022-12-13 13:01:47,124 INFO L899 garLoopResultBuilder]: For program point idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 8) no Hoare annotation was computed. [2022-12-13 13:01:47,124 INFO L899 garLoopResultBuilder]: For program point idFINAL(lines 6 9) no Hoare annotation was computed. [2022-12-13 13:01:47,124 INFO L899 garLoopResultBuilder]: For program point idEXIT(lines 6 9) no Hoare annotation was computed. [2022-12-13 13:01:47,124 INFO L899 garLoopResultBuilder]: For program point idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 8) no Hoare annotation was computed. [2022-12-13 13:01:47,124 INFO L899 garLoopResultBuilder]: For program point idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 8) no Hoare annotation was computed. [2022-12-13 13:01:47,124 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6 9) the Hoare annotation is: true [2022-12-13 13:01:47,124 INFO L899 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2022-12-13 13:01:47,124 INFO L899 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2022-12-13 13:01:47,124 INFO L899 garLoopResultBuilder]: For program point L8-1(line 8) no Hoare annotation was computed. [2022-12-13 13:01:47,124 INFO L895 garLoopResultBuilder]: At program point L8-2(line 8) the Hoare annotation is: (and (or (= id_~x 15) (not (<= |id_#in~x| 15)) (not (<= 15 |id_#in~x|))) (or (and (= |id_#in~x| id_~x) (<= 1 id_~x)) (not (<= |id_#in~x| 14)) (not (<= 0 |id_#in~x|)))) [2022-12-13 13:01:47,124 INFO L899 garLoopResultBuilder]: For program point L8-3(line 8) no Hoare annotation was computed. [2022-12-13 13:01:47,125 INFO L899 garLoopResultBuilder]: For program point L8-4(line 8) no Hoare annotation was computed. [2022-12-13 13:01:47,125 INFO L899 garLoopResultBuilder]: For program point L8-5(line 8) no Hoare annotation was computed. [2022-12-13 13:01:47,127 INFO L445 BasicCegarLoop]: Path program histogram: [6, 4, 1, 1, 1, 1] [2022-12-13 13:01:47,129 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:01:47,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:01:47 BoogieIcfgContainer [2022-12-13 13:01:47,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:01:47,133 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:01:47,133 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:01:47,133 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:01:47,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:59:54" (3/4) ... [2022-12-13 13:01:47,136 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 13:01:47,142 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-12-13 13:01:47,145 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 13:01:47,145 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 13:01:47,145 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 13:01:47,145 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 13:01:47,166 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:01:47,166 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:01:47,166 INFO L158 Benchmark]: Toolchain (without parser) took 113132.03ms. Allocated memory was 123.7MB in the beginning and 522.2MB in the end (delta: 398.5MB). Free memory was 87.7MB in the beginning and 360.8MB in the end (delta: -273.0MB). Peak memory consumption was 126.5MB. Max. memory is 16.1GB. [2022-12-13 13:01:47,166 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 123.7MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:01:47,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 137.56ms. Allocated memory is still 123.7MB. Free memory was 87.7MB in the beginning and 78.0MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 13:01:47,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.65ms. Allocated memory is still 123.7MB. Free memory was 78.0MB in the beginning and 76.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:01:47,167 INFO L158 Benchmark]: Boogie Preprocessor took 10.39ms. Allocated memory is still 123.7MB. Free memory was 76.6MB in the beginning and 75.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:01:47,167 INFO L158 Benchmark]: RCFGBuilder took 176.35ms. Allocated memory is still 123.7MB. Free memory was 75.6MB in the beginning and 66.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 13:01:47,167 INFO L158 Benchmark]: TraceAbstraction took 112750.59ms. Allocated memory was 123.7MB in the beginning and 522.2MB in the end (delta: 398.5MB). Free memory was 65.8MB in the beginning and 362.9MB in the end (delta: -297.1MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2022-12-13 13:01:47,167 INFO L158 Benchmark]: Witness Printer took 33.06ms. Allocated memory is still 522.2MB. Free memory was 362.9MB in the beginning and 360.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:01:47,168 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 123.7MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 137.56ms. Allocated memory is still 123.7MB. Free memory was 87.7MB in the beginning and 78.0MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.65ms. Allocated memory is still 123.7MB. Free memory was 78.0MB in the beginning and 76.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 10.39ms. Allocated memory is still 123.7MB. Free memory was 76.6MB in the beginning and 75.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 176.35ms. Allocated memory is still 123.7MB. Free memory was 75.6MB in the beginning and 66.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 112750.59ms. Allocated memory was 123.7MB in the beginning and 522.2MB in the end (delta: 398.5MB). Free memory was 65.8MB in the beginning and 362.9MB in the end (delta: -297.1MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. * Witness Printer took 33.06ms. Allocated memory is still 522.2MB. Free memory was 362.9MB in the beginning and 360.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 112.7s, OverallIterations: 14, TraceHistogramMax: 32, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3434 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3367 mSDsluCounter, 3140 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2757 mSDsCounter, 918 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3114 IncrementalHoareTripleChecker+Invalid, 4032 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 918 mSolverCounterUnsat, 383 mSDtfsCounter, 3114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2620 GetRequests, 1831 SyntacticMatches, 48 SemanticMatches, 741 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26952 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1495occurred in iteration=13, InterpolantAutomatonStates: 363, 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, 14 MinimizatonAttempts, 106 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 49 PreInvPairs, 49 NumberOfFragments, 33 HoareAnnotationTreeSize, 49 FomulaSimplifications, 563 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1345 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 104.7s InterpolantComputationTime, 2081 NumberOfCodeBlocks, 2016 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 3050 ConstructedInterpolants, 0 QuantifiedInterpolants, 8177 SizeOfPredicates, 93 NumberOfNonLiveVariables, 1988 ConjunctsInSsa, 255 ConjunctsInUnsatCore, 35 InterpolantComputations, 4 PerfectInterpolantSequences, 14864/26790 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 13:01:47,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6899435-0a79-4d30-8973-3c89b5815b19/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE