./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/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_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/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 64bit --witnessprinter.graph.data.programhash fe4bfbac4fda72f0d1c0b2f3cce738b57a7923578874429d64650cf8d3f21ce2 --- 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 18:46:57,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:46:57,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:46:57,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:46:57,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:46:57,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:46:57,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:46:57,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:46:57,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:46:57,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:46:57,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:46:57,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:46:57,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:46:57,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:46:57,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:46:57,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:46:57,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:46:57,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:46:57,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:46:57,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:46:57,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:46:57,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:46:57,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:46:57,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:46:57,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:46:57,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:46:57,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:46:57,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:46:57,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:46:57,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:46:57,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:46:57,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:46:57,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:46:57,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:46:57,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:46:57,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:46:57,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:46:57,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:46:57,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:46:57,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:46:57,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:46:57,891 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 18:46:57,911 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:46:57,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:46:57,912 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:46:57,912 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:46:57,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:46:57,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:46:57,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:46:57,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:46:57,914 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:46:57,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:46:57,914 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:46:57,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:46:57,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:46:57,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:46:57,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:46:57,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:46:57,915 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:46:57,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:46:57,916 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:46:57,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:46:57,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:46:57,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:46:57,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:46:57,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:46:57,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:46:57,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:46:57,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:46:57,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:46:57,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:46:57,917 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:46:57,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:46:57,918 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:46:57,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:46:57,918 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:46:57,918 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_ed2ef701-31b5-4672-b2fa-8c2ec093384f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe4bfbac4fda72f0d1c0b2f3cce738b57a7923578874429d64650cf8d3f21ce2 [2022-12-13 18:46:58,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:46:58,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:46:58,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:46:58,132 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:46:58,132 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:46:58,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_good.i [2022-12-13 18:47:00,764 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:47:01,015 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:47:01,016 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_good.i [2022-12-13 18:47:01,029 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/data/2d88192e5/3620689375c14613ad616a1daebaea7a/FLAG29a364230 [2022-12-13 18:47:01,039 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/data/2d88192e5/3620689375c14613ad616a1daebaea7a [2022-12-13 18:47:01,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:47:01,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:47:01,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:47:01,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:47:01,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:47:01,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:47:01" (1/1) ... [2022-12-13 18:47:01,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ee7342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:01, skipping insertion in model container [2022-12-13 18:47:01,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:47:01" (1/1) ... [2022-12-13 18:47:01,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:47:01,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:47:01,317 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:47:01,587 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:47:01,592 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:47:01,593 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:47:01,595 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:47:01,596 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:47:01,620 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:47:01,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:47:01,628 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:47:01,641 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:47:01,674 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:47:01,675 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:47:01,676 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:47:01,678 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:47:01,678 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:47:01,686 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:47:01,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:47:01,766 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:47:01,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:01 WrapperNode [2022-12-13 18:47:01,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:47:01,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:47:01,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:47:01,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:47:01,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:01" (1/1) ... [2022-12-13 18:47:01,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:01" (1/1) ... [2022-12-13 18:47:01,809 INFO L138 Inliner]: procedures = 503, calls = 77, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 157 [2022-12-13 18:47:01,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:47:01,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:47:01,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:47:01,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:47:01,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:01" (1/1) ... [2022-12-13 18:47:01,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:01" (1/1) ... [2022-12-13 18:47:01,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:01" (1/1) ... [2022-12-13 18:47:01,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:01" (1/1) ... [2022-12-13 18:47:01,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:01" (1/1) ... [2022-12-13 18:47:01,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:01" (1/1) ... [2022-12-13 18:47:01,828 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:01" (1/1) ... [2022-12-13 18:47:01,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:01" (1/1) ... [2022-12-13 18:47:01,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:47:01,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:47:01,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:47:01,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:47:01,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:01" (1/1) ... [2022-12-13 18:47:01,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:47:01,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:01,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:47:01,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:47:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 18:47:01,899 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 18:47:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:47:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:47:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-12-13 18:47:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-12-13 18:47:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:47:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:47:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:47:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2022-12-13 18:47:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2022-12-13 18:47:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:47:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:47:02,003 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:47:02,004 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:47:02,212 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:47:02,218 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:47:02,219 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:47:02,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:47:02 BoogieIcfgContainer [2022-12-13 18:47:02,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:47:02,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:47:02,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:47:02,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:47:02,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:47:01" (1/3) ... [2022-12-13 18:47:02,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ba8b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:47:02, skipping insertion in model container [2022-12-13 18:47:02,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:01" (2/3) ... [2022-12-13 18:47:02,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ba8b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:47:02, skipping insertion in model container [2022-12-13 18:47:02,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:47:02" (3/3) ... [2022-12-13 18:47:02,229 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_11_good.i [2022-12-13 18:47:02,248 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:47:02,248 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 18:47:02,287 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:47:02,292 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;@11df68a5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:47:02,292 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 18:47:02,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 50 states have (on average 1.42) internal successors, (71), 65 states have internal predecessors, (71), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-12-13 18:47:02,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 18:47:02,301 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:02,302 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:02,302 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:47:02,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:02,307 INFO L85 PathProgramCache]: Analyzing trace with hash 475563019, now seen corresponding path program 1 times [2022-12-13 18:47:02,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:02,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132172590] [2022-12-13 18:47:02,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:02,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:02,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:02,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:47:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:02,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 18:47:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:02,609 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 18:47:02,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:02,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132172590] [2022-12-13 18:47:02,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132172590] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:02,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:02,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:47:02,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652617428] [2022-12-13 18:47:02,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:02,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:47:02,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:02,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:47:02,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:47:02,645 INFO L87 Difference]: Start difference. First operand has 81 states, 50 states have (on average 1.42) internal successors, (71), 65 states have internal predecessors, (71), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 18:47:02,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:02,697 INFO L93 Difference]: Finished difference Result 153 states and 201 transitions. [2022-12-13 18:47:02,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:47:02,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-12-13 18:47:02,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:02,706 INFO L225 Difference]: With dead ends: 153 [2022-12-13 18:47:02,706 INFO L226 Difference]: Without dead ends: 73 [2022-12-13 18:47:02,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 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 18:47:02,712 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:02,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 302 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:02,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-12-13 18:47:02,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-12-13 18:47:02,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 45 states have (on average 1.4) internal successors, (63), 58 states have internal predecessors, (63), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 18:47:02,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 95 transitions. [2022-12-13 18:47:02,748 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 95 transitions. Word has length 22 [2022-12-13 18:47:02,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:02,749 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 95 transitions. [2022-12-13 18:47:02,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 18:47:02,750 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2022-12-13 18:47:02,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 18:47:02,751 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:02,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:02,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:47:02,752 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:47:02,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:02,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1355682118, now seen corresponding path program 1 times [2022-12-13 18:47:02,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:02,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836021094] [2022-12-13 18:47:02,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:02,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:02,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:02,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:47:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:02,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:47:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:02,813 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 18:47:02,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:02,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836021094] [2022-12-13 18:47:02,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836021094] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:02,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:02,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:47:02,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745341847] [2022-12-13 18:47:02,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:02,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:02,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:02,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:02,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:47:02,815 INFO L87 Difference]: Start difference. First operand 73 states and 95 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 18:47:02,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:02,831 INFO L93 Difference]: Finished difference Result 73 states and 95 transitions. [2022-12-13 18:47:02,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:02,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2022-12-13 18:47:02,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:02,832 INFO L225 Difference]: With dead ends: 73 [2022-12-13 18:47:02,832 INFO L226 Difference]: Without dead ends: 72 [2022-12-13 18:47:02,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 18:47:02,833 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 6 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:02,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 173 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:02,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-12-13 18:47:02,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-12-13 18:47:02,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 57 states have internal predecessors, (62), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 18:47:02,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2022-12-13 18:47:02,840 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 24 [2022-12-13 18:47:02,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:02,840 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2022-12-13 18:47:02,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 18:47:02,841 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2022-12-13 18:47:02,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 18:47:02,841 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:02,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:02,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:47:02,842 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:47:02,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:02,842 INFO L85 PathProgramCache]: Analyzing trace with hash -923527226, now seen corresponding path program 1 times [2022-12-13 18:47:02,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:02,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858784599] [2022-12-13 18:47:02,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:02,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:02,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:02,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:47:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:02,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:47:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:02,925 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 18:47:02,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:02,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858784599] [2022-12-13 18:47:02,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858784599] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:02,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:02,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:47:02,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064329446] [2022-12-13 18:47:02,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:02,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:02,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:02,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:02,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:47:02,927 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 18:47:02,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:02,939 INFO L93 Difference]: Finished difference Result 72 states and 94 transitions. [2022-12-13 18:47:02,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:02,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 25 [2022-12-13 18:47:02,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:02,940 INFO L225 Difference]: With dead ends: 72 [2022-12-13 18:47:02,940 INFO L226 Difference]: Without dead ends: 71 [2022-12-13 18:47:02,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 18:47:02,941 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 42 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:02,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 118 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:02,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-12-13 18:47:02,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-12-13 18:47:02,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 56 states have internal predecessors, (61), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 18:47:02,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2022-12-13 18:47:02,956 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 25 [2022-12-13 18:47:02,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:02,957 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2022-12-13 18:47:02,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 18:47:02,957 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2022-12-13 18:47:02,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 18:47:02,958 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:02,958 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:02,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:47:02,958 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:47:02,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:02,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1200175583, now seen corresponding path program 1 times [2022-12-13 18:47:02,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:02,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522851876] [2022-12-13 18:47:02,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:02,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:47:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:47:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 18:47:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 18:47:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:47:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 18:47:03,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:03,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522851876] [2022-12-13 18:47:03,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522851876] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:03,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:03,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:47:03,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889199829] [2022-12-13 18:47:03,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:03,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:47:03,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:03,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:47:03,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:47:03,039 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 18:47:03,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:03,057 INFO L93 Difference]: Finished difference Result 124 states and 159 transitions. [2022-12-13 18:47:03,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:47:03,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2022-12-13 18:47:03,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:03,058 INFO L225 Difference]: With dead ends: 124 [2022-12-13 18:47:03,058 INFO L226 Difference]: Without dead ends: 70 [2022-12-13 18:47:03,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 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 18:47:03,059 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:03,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 258 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:03,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-12-13 18:47:03,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-12-13 18:47:03,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 55 states have internal predecessors, (60), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 18:47:03,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 90 transitions. [2022-12-13 18:47:03,065 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 90 transitions. Word has length 42 [2022-12-13 18:47:03,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:03,065 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 90 transitions. [2022-12-13 18:47:03,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 18:47:03,066 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2022-12-13 18:47:03,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-13 18:47:03,066 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:03,066 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:03,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:47:03,067 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:47:03,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:03,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1306171425, now seen corresponding path program 1 times [2022-12-13 18:47:03,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:03,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754866801] [2022-12-13 18:47:03,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:03,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:47:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:47:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 18:47:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:47:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 18:47:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,141 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 18:47:03,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:03,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754866801] [2022-12-13 18:47:03,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754866801] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:47:03,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390280745] [2022-12-13 18:47:03,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:03,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:47:03,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:03,143 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:47:03,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 18:47:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:47:03,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:47:03,262 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 18:47:03,262 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:47:03,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390280745] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:03,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:47:03,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 18:47:03,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625826742] [2022-12-13 18:47:03,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:03,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:03,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:03,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:03,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:47:03,264 INFO L87 Difference]: Start difference. First operand 70 states and 90 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 18:47:03,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:03,284 INFO L93 Difference]: Finished difference Result 139 states and 177 transitions. [2022-12-13 18:47:03,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:03,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2022-12-13 18:47:03,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:03,285 INFO L225 Difference]: With dead ends: 139 [2022-12-13 18:47:03,285 INFO L226 Difference]: Without dead ends: 100 [2022-12-13 18:47:03,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:47:03,286 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 25 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:03,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 184 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:03,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-12-13 18:47:03,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 75. [2022-12-13 18:47:03,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 59 states have internal predecessors, (65), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 18:47:03,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 97 transitions. [2022-12-13 18:47:03,293 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 97 transitions. Word has length 43 [2022-12-13 18:47:03,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:03,293 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 97 transitions. [2022-12-13 18:47:03,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 18:47:03,293 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2022-12-13 18:47:03,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-13 18:47:03,294 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:03,294 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:03,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:47:03,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:47:03,495 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:47:03,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:03,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1836608620, now seen corresponding path program 1 times [2022-12-13 18:47:03,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:03,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93504848] [2022-12-13 18:47:03,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:03,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:47:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:47:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 18:47:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:47:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 18:47:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,594 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 18:47:03,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:03,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93504848] [2022-12-13 18:47:03,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93504848] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:47:03,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966531511] [2022-12-13 18:47:03,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:03,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:47:03,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:03,597 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:47:03,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 18:47:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:03,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:47:03,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:47:03,692 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 18:47:03,692 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:47:03,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966531511] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:03,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:47:03,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 18:47:03,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205143729] [2022-12-13 18:47:03,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:03,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:03,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:03,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:03,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:47:03,694 INFO L87 Difference]: Start difference. First operand 75 states and 97 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 18:47:03,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:03,710 INFO L93 Difference]: Finished difference Result 102 states and 133 transitions. [2022-12-13 18:47:03,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:03,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2022-12-13 18:47:03,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:03,712 INFO L225 Difference]: With dead ends: 102 [2022-12-13 18:47:03,712 INFO L226 Difference]: Without dead ends: 101 [2022-12-13 18:47:03,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:47:03,712 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 24 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:03,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 200 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:03,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-12-13 18:47:03,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 76. [2022-12-13 18:47:03,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.32) internal successors, (66), 60 states have internal predecessors, (66), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 18:47:03,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2022-12-13 18:47:03,719 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 44 [2022-12-13 18:47:03,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:03,719 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2022-12-13 18:47:03,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 18:47:03,719 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2022-12-13 18:47:03,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 18:47:03,720 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:03,720 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:03,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 18:47:03,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 18:47:03,921 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:47:03,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:03,922 INFO L85 PathProgramCache]: Analyzing trace with hash -246143076, now seen corresponding path program 1 times [2022-12-13 18:47:03,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:03,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818348087] [2022-12-13 18:47:03,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:03,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:47:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:47:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 18:47:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:47:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 18:47:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,076 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 18:47:04,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:04,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818348087] [2022-12-13 18:47:04,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818348087] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:04,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:04,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:47:04,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55918647] [2022-12-13 18:47:04,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:04,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:04,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:04,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:04,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:47:04,078 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 18:47:04,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:04,096 INFO L93 Difference]: Finished difference Result 100 states and 130 transitions. [2022-12-13 18:47:04,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:04,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 45 [2022-12-13 18:47:04,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:04,098 INFO L225 Difference]: With dead ends: 100 [2022-12-13 18:47:04,098 INFO L226 Difference]: Without dead ends: 99 [2022-12-13 18:47:04,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 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 18:47:04,098 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 30 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:04,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 192 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:04,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-12-13 18:47:04,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 75. [2022-12-13 18:47:04,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 50 states have (on average 1.3) internal successors, (65), 59 states have internal predecessors, (65), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 18:47:04,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 97 transitions. [2022-12-13 18:47:04,105 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 97 transitions. Word has length 45 [2022-12-13 18:47:04,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:04,105 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 97 transitions. [2022-12-13 18:47:04,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 18:47:04,105 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2022-12-13 18:47:04,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-13 18:47:04,106 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:04,106 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:04,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 18:47:04,106 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:47:04,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:04,107 INFO L85 PathProgramCache]: Analyzing trace with hash 959499345, now seen corresponding path program 1 times [2022-12-13 18:47:04,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:04,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823096163] [2022-12-13 18:47:04,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:04,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:47:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:47:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 18:47:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:47:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 18:47:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,183 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 18:47:04,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:04,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823096163] [2022-12-13 18:47:04,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823096163] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:04,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:04,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:47:04,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326164097] [2022-12-13 18:47:04,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:04,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:04,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:04,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:04,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:47:04,184 INFO L87 Difference]: Start difference. First operand 75 states and 97 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 18:47:04,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:04,194 INFO L93 Difference]: Finished difference Result 75 states and 97 transitions. [2022-12-13 18:47:04,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:04,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2022-12-13 18:47:04,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:04,196 INFO L225 Difference]: With dead ends: 75 [2022-12-13 18:47:04,196 INFO L226 Difference]: Without dead ends: 74 [2022-12-13 18:47:04,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 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 18:47:04,197 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 27 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:04,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 128 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:04,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-12-13 18:47:04,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2022-12-13 18:47:04,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 56 states have internal predecessors, (62), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 18:47:04,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2022-12-13 18:47:04,203 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 46 [2022-12-13 18:47:04,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:04,203 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2022-12-13 18:47:04,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 18:47:04,204 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2022-12-13 18:47:04,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-13 18:47:04,204 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:04,204 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:04,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 18:47:04,205 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:47:04,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:04,205 INFO L85 PathProgramCache]: Analyzing trace with hash -629975564, now seen corresponding path program 1 times [2022-12-13 18:47:04,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:04,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487505623] [2022-12-13 18:47:04,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:04,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:47:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:47:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 18:47:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:47:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 18:47:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 18:47:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 18:47:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 18:47:04,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:04,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487505623] [2022-12-13 18:47:04,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487505623] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:47:04,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909715296] [2022-12-13 18:47:04,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:04,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:47:04,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:04,285 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:47:04,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 18:47:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:47:04,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:47:04,389 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-13 18:47:04,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:47:04,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909715296] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:04,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:47:04,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 18:47:04,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575441773] [2022-12-13 18:47:04,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:04,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:04,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:04,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:04,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:47:04,391 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 18:47:04,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:04,403 INFO L93 Difference]: Finished difference Result 83 states and 107 transitions. [2022-12-13 18:47:04,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:04,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2022-12-13 18:47:04,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:04,405 INFO L225 Difference]: With dead ends: 83 [2022-12-13 18:47:04,405 INFO L226 Difference]: Without dead ends: 82 [2022-12-13 18:47:04,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:47:04,406 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 14 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:04,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 160 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:04,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-12-13 18:47:04,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 71. [2022-12-13 18:47:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 55 states have internal predecessors, (61), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 18:47:04,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2022-12-13 18:47:04,412 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 55 [2022-12-13 18:47:04,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:04,413 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2022-12-13 18:47:04,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 18:47:04,413 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2022-12-13 18:47:04,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-13 18:47:04,414 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:04,414 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:04,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 18:47:04,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:47:04,615 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:47:04,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:04,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1945594132, now seen corresponding path program 1 times [2022-12-13 18:47:04,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:04,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829706462] [2022-12-13 18:47:04,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:04,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:47:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:47:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 18:47:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:47:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 18:47:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 18:47:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 18:47:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,729 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 18:47:04,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:04,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829706462] [2022-12-13 18:47:04,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829706462] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:47:04,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844392519] [2022-12-13 18:47:04,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:04,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:47:04,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:04,731 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:47:04,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 18:47:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:04,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:47:04,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:47:04,819 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-13 18:47:04,819 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:47:04,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844392519] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:04,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:47:04,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 18:47:04,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556590000] [2022-12-13 18:47:04,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:04,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:04,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:04,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:04,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:47:04,821 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 18:47:04,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:04,838 INFO L93 Difference]: Finished difference Result 89 states and 116 transitions. [2022-12-13 18:47:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:04,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 56 [2022-12-13 18:47:04,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:04,839 INFO L225 Difference]: With dead ends: 89 [2022-12-13 18:47:04,839 INFO L226 Difference]: Without dead ends: 88 [2022-12-13 18:47:04,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:47:04,840 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 10 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:04,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 171 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:04,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-12-13 18:47:04,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 76. [2022-12-13 18:47:04,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 58 states have internal predecessors, (66), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 15 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-13 18:47:04,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 100 transitions. [2022-12-13 18:47:04,849 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 100 transitions. Word has length 56 [2022-12-13 18:47:04,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:04,850 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 100 transitions. [2022-12-13 18:47:04,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 18:47:04,850 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2022-12-13 18:47:04,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-13 18:47:04,851 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:04,851 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:04,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 18:47:05,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 18:47:05,052 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:47:05,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:05,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1619281026, now seen corresponding path program 1 times [2022-12-13 18:47:05,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:05,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733005261] [2022-12-13 18:47:05,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:05,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:47:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:47:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 18:47:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:47:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 18:47:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 18:47:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 18:47:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 18:47:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,149 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 18:47:05,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:05,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733005261] [2022-12-13 18:47:05,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733005261] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:47:05,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060436775] [2022-12-13 18:47:05,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:05,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:47:05,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:05,151 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:47:05,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 18:47:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:47:05,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:47:05,249 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 18:47:05,249 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:47:05,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060436775] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:05,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:47:05,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 18:47:05,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960706302] [2022-12-13 18:47:05,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:05,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:05,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:05,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:05,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:47:05,251 INFO L87 Difference]: Start difference. First operand 76 states and 100 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 18:47:05,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:05,261 INFO L93 Difference]: Finished difference Result 76 states and 100 transitions. [2022-12-13 18:47:05,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:05,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 61 [2022-12-13 18:47:05,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:05,262 INFO L225 Difference]: With dead ends: 76 [2022-12-13 18:47:05,262 INFO L226 Difference]: Without dead ends: 75 [2022-12-13 18:47:05,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:47:05,262 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 10 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:05,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 146 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:05,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-12-13 18:47:05,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 70. [2022-12-13 18:47:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.25) internal successors, (60), 54 states have internal predecessors, (60), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 18:47:05,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 92 transitions. [2022-12-13 18:47:05,267 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 92 transitions. Word has length 61 [2022-12-13 18:47:05,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:05,268 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 92 transitions. [2022-12-13 18:47:05,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 18:47:05,268 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2022-12-13 18:47:05,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-13 18:47:05,268 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:05,268 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:05,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-13 18:47:05,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 18:47:05,469 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:47:05,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:05,469 INFO L85 PathProgramCache]: Analyzing trace with hash -355309694, now seen corresponding path program 1 times [2022-12-13 18:47:05,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:05,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123541772] [2022-12-13 18:47:05,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:05,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:47:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:47:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 18:47:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:47:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 18:47:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 18:47:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 18:47:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 18:47:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 18:47:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,547 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 18:47:05,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:05,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123541772] [2022-12-13 18:47:05,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123541772] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:47:05,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998669205] [2022-12-13 18:47:05,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:05,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:47:05,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:05,549 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:47:05,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 18:47:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:47:05,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:47:05,641 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-13 18:47:05,641 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:47:05,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998669205] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:05,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:47:05,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 18:47:05,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396662243] [2022-12-13 18:47:05,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:05,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:05,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:05,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:05,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:47:05,642 INFO L87 Difference]: Start difference. First operand 70 states and 92 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 18:47:05,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:05,648 INFO L93 Difference]: Finished difference Result 70 states and 92 transitions. [2022-12-13 18:47:05,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:05,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2022-12-13 18:47:05,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:05,650 INFO L225 Difference]: With dead ends: 70 [2022-12-13 18:47:05,650 INFO L226 Difference]: Without dead ends: 69 [2022-12-13 18:47:05,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:47:05,651 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 4 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:05,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 158 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:05,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-12-13 18:47:05,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-12-13 18:47:05,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 53 states have internal predecessors, (59), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 18:47:05,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 91 transitions. [2022-12-13 18:47:05,659 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 91 transitions. Word has length 68 [2022-12-13 18:47:05,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:05,660 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 91 transitions. [2022-12-13 18:47:05,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 18:47:05,660 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2022-12-13 18:47:05,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-13 18:47:05,661 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:05,661 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:05,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 18:47:05,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:47:05,862 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:47:05,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:05,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1870301532, now seen corresponding path program 1 times [2022-12-13 18:47:05,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:05,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155643576] [2022-12-13 18:47:05,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:05,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:47:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:47:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 18:47:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:47:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 18:47:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 18:47:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 18:47:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 18:47:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 18:47:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:05,937 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 18:47:05,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:05,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155643576] [2022-12-13 18:47:05,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155643576] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:47:05,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368115341] [2022-12-13 18:47:05,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:05,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:47:05,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:05,939 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:47:05,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 18:47:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:06,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:47:06,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:47:06,029 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-13 18:47:06,029 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:47:06,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368115341] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:06,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:47:06,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 18:47:06,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582421390] [2022-12-13 18:47:06,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:06,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:06,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:06,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:06,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:47:06,031 INFO L87 Difference]: Start difference. First operand 69 states and 91 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 18:47:06,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:06,041 INFO L93 Difference]: Finished difference Result 75 states and 97 transitions. [2022-12-13 18:47:06,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:06,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 69 [2022-12-13 18:47:06,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:06,043 INFO L225 Difference]: With dead ends: 75 [2022-12-13 18:47:06,043 INFO L226 Difference]: Without dead ends: 69 [2022-12-13 18:47:06,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:47:06,044 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 166 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 18:47:06,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:06,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-12-13 18:47:06,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-12-13 18:47:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 53 states have internal predecessors, (58), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 18:47:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 90 transitions. [2022-12-13 18:47:06,048 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 90 transitions. Word has length 69 [2022-12-13 18:47:06,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:06,049 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 90 transitions. [2022-12-13 18:47:06,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 18:47:06,049 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 90 transitions. [2022-12-13 18:47:06,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-13 18:47:06,049 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:06,049 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:06,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 18:47:06,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:47:06,250 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:47:06,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:06,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1744607394, now seen corresponding path program 1 times [2022-12-13 18:47:06,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:06,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475683231] [2022-12-13 18:47:06,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:06,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:06,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:47:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:06,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 18:47:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:06,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 18:47:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:06,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:47:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:06,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 18:47:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:06,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 18:47:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:06,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 18:47:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:06,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 18:47:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:06,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 18:47:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:06,327 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 18:47:06,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:06,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475683231] [2022-12-13 18:47:06,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475683231] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:47:06,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436238552] [2022-12-13 18:47:06,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:06,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:47:06,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:06,328 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:47:06,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 18:47:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:06,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:47:06,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:47:06,416 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-13 18:47:06,416 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:47:06,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436238552] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:06,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:47:06,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 18:47:06,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363382404] [2022-12-13 18:47:06,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:06,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:06,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:06,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:06,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:47:06,417 INFO L87 Difference]: Start difference. First operand 69 states and 90 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 18:47:06,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:06,424 INFO L93 Difference]: Finished difference Result 69 states and 90 transitions. [2022-12-13 18:47:06,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:06,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 69 [2022-12-13 18:47:06,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:06,425 INFO L225 Difference]: With dead ends: 69 [2022-12-13 18:47:06,425 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 18:47:06,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:47:06,426 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:06,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:06,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 18:47:06,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 18:47:06,427 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 18:47:06,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 18:47:06,427 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2022-12-13 18:47:06,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:06,427 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:47:06,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 18:47:06,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:47:06,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 18:47:06,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-13 18:47:06,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-13 18:47:06,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-13 18:47:06,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-13 18:47:06,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-13 18:47:06,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-13 18:47:06,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-13 18:47:06,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-13 18:47:06,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 18:47:06,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 18:47:06,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 18:47:06,795 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 18:47:06,795 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 18:47:06,795 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 18:47:06,796 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 18:47:06,796 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1514 1517) the Hoare annotation is: true [2022-12-13 18:47:06,796 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseFINAL(lines 1514 1517) no Hoare annotation was computed. [2022-12-13 18:47:06,796 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseEXIT(lines 1514 1517) no Hoare annotation was computed. [2022-12-13 18:47:06,796 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 18:47:06,796 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 18:47:06,796 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 18:47:06,796 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-12-13 18:47:06,796 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1616) no Hoare annotation was computed. [2022-12-13 18:47:06,796 INFO L895 garLoopResultBuilder]: At program point L1621(line 1621) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2)) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 0) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 18:47:06,797 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 18:47:06,797 INFO L899 garLoopResultBuilder]: For program point L1621-1(line 1621) no Hoare annotation was computed. [2022-12-13 18:47:06,797 INFO L899 garLoopResultBuilder]: For program point L1621-2(lines 1621 1624) no Hoare annotation was computed. [2022-12-13 18:47:06,797 INFO L895 garLoopResultBuilder]: At program point L1621-4(lines 1621 1624) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2)) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 0) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 18:47:06,797 INFO L902 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: true [2022-12-13 18:47:06,797 INFO L895 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 18:47:06,797 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2022-12-13 18:47:06,797 INFO L899 garLoopResultBuilder]: For program point L1580(line 1580) no Hoare annotation was computed. [2022-12-13 18:47:06,797 INFO L899 garLoopResultBuilder]: For program point L1580-2(line 1580) no Hoare annotation was computed. [2022-12-13 18:47:06,797 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1641 1648) the Hoare annotation is: true [2022-12-13 18:47:06,798 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2022-12-13 18:47:06,798 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-12-13 18:47:06,798 INFO L902 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: true [2022-12-13 18:47:06,798 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 18:47:06,798 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-12-13 18:47:06,798 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2022-12-13 18:47:06,798 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2022-12-13 18:47:06,798 INFO L899 garLoopResultBuilder]: For program point L1556-1(lines 1556 1572) no Hoare annotation was computed. [2022-12-13 18:47:06,798 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-12-13 18:47:06,798 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-12-13 18:47:06,798 INFO L899 garLoopResultBuilder]: For program point L1582-1(lines 1582 1594) no Hoare annotation was computed. [2022-12-13 18:47:06,798 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 18:47:06,798 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1595) no Hoare annotation was computed. [2022-12-13 18:47:06,799 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) [2022-12-13 18:47:06,799 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2022-12-13 18:47:06,799 INFO L899 garLoopResultBuilder]: For program point L1608(line 1608) no Hoare annotation was computed. [2022-12-13 18:47:06,799 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 1608 1615) no Hoare annotation was computed. [2022-12-13 18:47:06,799 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-12-13 18:47:06,799 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2022-12-13 18:47:06,799 INFO L899 garLoopResultBuilder]: For program point L1600-2(lines 1600 1607) no Hoare annotation was computed. [2022-12-13 18:47:06,799 INFO L895 garLoopResultBuilder]: At program point L1600-3(lines 1600 1607) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-12-13 18:47:06,799 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2022-12-13 18:47:06,799 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0)) [2022-12-13 18:47:06,799 INFO L899 garLoopResultBuilder]: For program point L1625-1(lines 1625 1632) no Hoare annotation was computed. [2022-12-13 18:47:06,799 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1633) no Hoare annotation was computed. [2022-12-13 18:47:06,800 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1593) no Hoare annotation was computed. [2022-12-13 18:47:06,800 INFO L899 garLoopResultBuilder]: For program point L1634(lines 1634 1640) no Hoare annotation was computed. [2022-12-13 18:47:06,800 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 18:47:06,800 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2022-12-13 18:47:06,800 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (not (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0))) [2022-12-13 18:47:06,800 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2022-12-13 18:47:06,800 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1555) no Hoare annotation was computed. [2022-12-13 18:47:06,800 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1555) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) [2022-12-13 18:47:06,800 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-12-13 18:47:06,800 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 18:47:06,800 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2022-12-13 18:47:06,801 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2022-12-13 18:47:06,801 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2022-12-13 18:47:06,801 INFO L902 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: true [2022-12-13 18:47:06,801 INFO L899 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2022-12-13 18:47:06,801 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2022-12-13 18:47:06,801 INFO L895 garLoopResultBuilder]: At program point L1578(line 1578) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-12-13 18:47:06,801 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2022-12-13 18:47:06,801 INFO L899 garLoopResultBuilder]: For program point L1578-1(line 1578) no Hoare annotation was computed. [2022-12-13 18:47:06,801 INFO L899 garLoopResultBuilder]: For program point L1578-2(lines 1578 1581) no Hoare annotation was computed. [2022-12-13 18:47:06,801 INFO L895 garLoopResultBuilder]: At program point L1578-4(lines 1578 1581) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 18:47:06,801 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) [2022-12-13 18:47:06,801 INFO L899 garLoopResultBuilder]: For program point L1570-1(lines 1548 1573) no Hoare annotation was computed. [2022-12-13 18:47:06,801 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-12-13 18:47:06,802 INFO L899 garLoopResultBuilder]: For program point L1628(line 1628) no Hoare annotation was computed. [2022-12-13 18:47:06,802 INFO L899 garLoopResultBuilder]: For program point L1628-1(line 1628) no Hoare annotation was computed. [2022-12-13 18:47:06,802 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1571) no Hoare annotation was computed. [2022-12-13 18:47:06,802 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2022-12-13 18:47:06,802 INFO L899 garLoopResultBuilder]: For program point L1554-2(line 1554) no Hoare annotation was computed. [2022-12-13 18:47:06,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2022-12-13 18:47:06,802 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueFINAL(lines 1510 1513) no Hoare annotation was computed. [2022-12-13 18:47:06,802 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1510 1513) the Hoare annotation is: true [2022-12-13 18:47:06,802 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueEXIT(lines 1510 1513) no Hoare annotation was computed. [2022-12-13 18:47:06,805 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:06,807 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:47:06,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:47:06 BoogieIcfgContainer [2022-12-13 18:47:06,814 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:47:06,814 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:47:06,814 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:47:06,814 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:47:06,815 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:47:02" (3/4) ... [2022-12-13 18:47:06,817 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:47:06,822 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 18:47:06,822 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2022-12-13 18:47:06,822 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 18:47:06,822 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2022-12-13 18:47:06,826 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-13 18:47:06,826 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 18:47:06,826 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 18:47:06,826 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:47:06,864 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:47:06,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:47:06,865 INFO L158 Benchmark]: Toolchain (without parser) took 5822.17ms. Allocated memory was 115.3MB in the beginning and 205.5MB in the end (delta: 90.2MB). Free memory was 62.8MB in the beginning and 151.3MB in the end (delta: -88.6MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2022-12-13 18:47:06,865 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:47:06,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 723.66ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 62.5MB in the beginning and 83.5MB in the end (delta: -21.0MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2022-12-13 18:47:06,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.29ms. Allocated memory is still 169.9MB. Free memory was 83.5MB in the beginning and 79.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:47:06,865 INFO L158 Benchmark]: Boogie Preprocessor took 21.39ms. Allocated memory is still 169.9MB. Free memory was 79.3MB in the beginning and 78.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:47:06,866 INFO L158 Benchmark]: RCFGBuilder took 388.92ms. Allocated memory is still 169.9MB. Free memory was 78.1MB in the beginning and 120.6MB in the end (delta: -42.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-12-13 18:47:06,866 INFO L158 Benchmark]: TraceAbstraction took 4590.58ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 119.5MB in the beginning and 156.6MB in the end (delta: -37.1MB). Peak memory consumption was 98.0MB. Max. memory is 16.1GB. [2022-12-13 18:47:06,866 INFO L158 Benchmark]: Witness Printer took 50.02ms. Allocated memory is still 205.5MB. Free memory was 156.6MB in the beginning and 151.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:47:06,867 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 723.66ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 62.5MB in the beginning and 83.5MB in the end (delta: -21.0MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.29ms. Allocated memory is still 169.9MB. Free memory was 83.5MB in the beginning and 79.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.39ms. Allocated memory is still 169.9MB. Free memory was 79.3MB in the beginning and 78.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.92ms. Allocated memory is still 169.9MB. Free memory was 78.1MB in the beginning and 120.6MB in the end (delta: -42.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4590.58ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 119.5MB in the beginning and 156.6MB in the end (delta: -37.1MB). Peak memory consumption was 98.0MB. Max. memory is 16.1GB. * Witness Printer took 50.02ms. Allocated memory is still 205.5MB. Free memory was 156.6MB in the beginning and 151.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: 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 5 procedures, 81 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 249 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 192 mSDsluCounter, 2513 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1210 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 1303 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 683 GetRequests, 651 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 104 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 72 PreInvPairs, 90 NumberOfFragments, 150 HoareAnnotationTreeSize, 72 FomulaSimplifications, 1040 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 184 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1134 NumberOfCodeBlocks, 1134 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1112 ConstructedInterpolants, 0 QuantifiedInterpolants, 1446 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1561 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 22 InterpolantComputations, 14 PerfectInterpolantSequences, 529/569 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 8 specifications checked. All of them hold - InvariantResult [Line: 1641]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 18:47:06,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2ef701-31b5-4672-b2fa-8c2ec093384f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE