./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/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_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa78fde783b634840a8dd117d9f71a3fa4064d7e1622444edf74e6b44f549a34 --- 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 15:42:21,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:42:21,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:42:21,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:42:21,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:42:21,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:42:21,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:42:21,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:42:21,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:42:21,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:42:21,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:42:21,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:42:21,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:42:21,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:42:21,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:42:21,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:42:21,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:42:21,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:42:21,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:42:21,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:42:21,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:42:21,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:42:21,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:42:21,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:42:21,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:42:21,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:42:21,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:42:21,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:42:21,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:42:21,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:42:21,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:42:21,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:42:21,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:42:21,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:42:21,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:42:21,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:42:21,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:42:21,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:42:21,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:42:21,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:42:21,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:42:21,934 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 15:42:21,957 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:42:21,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:42:21,957 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:42:21,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:42:21,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:42:21,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:42:21,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:42:21,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:42:21,959 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:42:21,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:42:21,963 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:42:21,963 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:42:21,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:42:21,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:42:21,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:42:21,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:42:21,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:42:21,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:42:21,964 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:42:21,965 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:42:21,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:42:21,965 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:42:21,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:42:21,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:42:21,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:42:21,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:42:21,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:42:21,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:42:21,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:42:21,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:42:21,966 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:42:21,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:42:21,967 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:42:21,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:42:21,967 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:42:21,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:42:21,967 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:42:21,967 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_996a02bd-a330-451d-9d04-474ac0f50fb5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa78fde783b634840a8dd117d9f71a3fa4064d7e1622444edf74e6b44f549a34 [2022-12-13 15:42:22,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:42:22,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:42:22,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:42:22,149 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:42:22,149 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:42:22,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i [2022-12-13 15:42:24,749 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:42:24,946 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:42:24,947 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i [2022-12-13 15:42:24,954 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/data/755413692/bb8074c65a5047b4aee01b1018c5440a/FLAG5511026ec [2022-12-13 15:42:25,314 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/data/755413692/bb8074c65a5047b4aee01b1018c5440a [2022-12-13 15:42:25,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:42:25,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:42:25,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:42:25,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:42:25,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:42:25,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:42:25" (1/1) ... [2022-12-13 15:42:25,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d4335f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:25, skipping insertion in model container [2022-12-13 15:42:25,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:42:25" (1/1) ... [2022-12-13 15:42:25,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:42:25,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:42:25,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:42:25,535 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:42:25,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:42:25,574 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:42:25,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:25 WrapperNode [2022-12-13 15:42:25,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:42:25,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:42:25,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:42:25,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:42:25,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:25" (1/1) ... [2022-12-13 15:42:25,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:25" (1/1) ... [2022-12-13 15:42:25,601 INFO L138 Inliner]: procedures = 117, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2022-12-13 15:42:25,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:42:25,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:42:25,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:42:25,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:42:25,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:25" (1/1) ... [2022-12-13 15:42:25,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:25" (1/1) ... [2022-12-13 15:42:25,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:25" (1/1) ... [2022-12-13 15:42:25,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:25" (1/1) ... [2022-12-13 15:42:25,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:25" (1/1) ... [2022-12-13 15:42:25,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:25" (1/1) ... [2022-12-13 15:42:25,617 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:25" (1/1) ... [2022-12-13 15:42:25,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:25" (1/1) ... [2022-12-13 15:42:25,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:42:25,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:42:25,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:42:25,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:42:25,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:25" (1/1) ... [2022-12-13 15:42:25,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:42:25,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:42:25,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:42:25,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:42:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:42:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:42:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:42:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:42:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:42:25,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:42:25,757 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:42:25,758 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:42:25,875 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:42:25,879 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:42:25,880 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 15:42:25,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:42:25 BoogieIcfgContainer [2022-12-13 15:42:25,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:42:25,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:42:25,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:42:25,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:42:25,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:42:25" (1/3) ... [2022-12-13 15:42:25,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d8fbfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:42:25, skipping insertion in model container [2022-12-13 15:42:25,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:42:25" (2/3) ... [2022-12-13 15:42:25,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d8fbfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:42:25, skipping insertion in model container [2022-12-13 15:42:25,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:42:25" (3/3) ... [2022-12-13 15:42:25,887 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrcpy-alloca-1.i [2022-12-13 15:42:25,901 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:42:25,901 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-13 15:42:25,932 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:42:25,937 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;@69234067, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:42:25,937 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-13 15:42:25,940 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 25 states have internal predecessors, (32), 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 15:42:25,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 15:42:25,944 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:25,944 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 15:42:25,944 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 15:42:25,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:25,948 INFO L85 PathProgramCache]: Analyzing trace with hash 889510861, now seen corresponding path program 1 times [2022-12-13 15:42:25,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:25,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089479059] [2022-12-13 15:42:25,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:25,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:26,095 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 15:42:26,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:26,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089479059] [2022-12-13 15:42:26,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089479059] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:26,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:42:26,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:42:26,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759355752] [2022-12-13 15:42:26,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:26,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:42:26,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:26,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:42:26,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:42:26,125 INFO L87 Difference]: Start difference. First operand has 26 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 25 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 15:42:26,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:26,163 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2022-12-13 15:42:26,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:42:26,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6 [2022-12-13 15:42:26,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:26,170 INFO L225 Difference]: With dead ends: 36 [2022-12-13 15:42:26,170 INFO L226 Difference]: Without dead ends: 17 [2022-12-13 15:42:26,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:42:26,175 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 21 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 21 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 15:42:26,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 21 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:26,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-13 15:42:26,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-13 15:42:26,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 16 states have internal predecessors, (19), 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 15:42:26,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-12-13 15:42:26,198 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 6 [2022-12-13 15:42:26,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:26,198 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-12-13 15:42:26,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 15:42:26,198 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-12-13 15:42:26,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 15:42:26,198 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:26,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:26,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:42:26,199 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 15:42:26,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:26,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1805032971, now seen corresponding path program 1 times [2022-12-13 15:42:26,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:26,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668329942] [2022-12-13 15:42:26,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:26,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:26,243 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 15:42:26,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:26,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668329942] [2022-12-13 15:42:26,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668329942] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:26,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:42:26,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:42:26,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323443612] [2022-12-13 15:42:26,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:26,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:42:26,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:26,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:42:26,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:42:26,247 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 15:42:26,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:26,273 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2022-12-13 15:42:26,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:42:26,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) Word has length 7 [2022-12-13 15:42:26,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:26,274 INFO L225 Difference]: With dead ends: 30 [2022-12-13 15:42:26,274 INFO L226 Difference]: Without dead ends: 26 [2022-12-13 15:42:26,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:42:26,275 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 9 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:26,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 21 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:26,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-13 15:42:26,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2022-12-13 15:42:26,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 20 states have (on average 1.4) internal successors, (28), 23 states have internal predecessors, (28), 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 15:42:26,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2022-12-13 15:42:26,279 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 7 [2022-12-13 15:42:26,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:26,279 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2022-12-13 15:42:26,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 15:42:26,279 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-12-13 15:42:26,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 15:42:26,280 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:26,280 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:26,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:42:26,280 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 15:42:26,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:26,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1805092553, now seen corresponding path program 1 times [2022-12-13 15:42:26,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:26,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013822170] [2022-12-13 15:42:26,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:26,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:26,329 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 15:42:26,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:26,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013822170] [2022-12-13 15:42:26,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013822170] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:26,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:42:26,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:42:26,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600168278] [2022-12-13 15:42:26,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:26,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:42:26,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:26,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:42:26,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:42:26,331 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 15:42:26,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:26,352 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2022-12-13 15:42:26,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:42:26,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) Word has length 7 [2022-12-13 15:42:26,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:26,353 INFO L225 Difference]: With dead ends: 24 [2022-12-13 15:42:26,353 INFO L226 Difference]: Without dead ends: 20 [2022-12-13 15:42:26,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:42:26,354 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 10 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:26,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 10 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:26,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-12-13 15:42:26,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2022-12-13 15:42:26,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:42:26,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2022-12-13 15:42:26,357 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 7 [2022-12-13 15:42:26,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:26,358 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-12-13 15:42:26,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 15:42:26,358 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-12-13 15:42:26,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 15:42:26,358 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:26,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:26,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:42:26,359 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 15:42:26,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:26,359 INFO L85 PathProgramCache]: Analyzing trace with hash 746753780, now seen corresponding path program 1 times [2022-12-13 15:42:26,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:26,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341107539] [2022-12-13 15:42:26,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:26,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:26,429 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 15:42:26,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:26,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341107539] [2022-12-13 15:42:26,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341107539] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:26,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:42:26,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:42:26,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998519217] [2022-12-13 15:42:26,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:26,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:42:26,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:26,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:42:26,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:42:26,431 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:42:26,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:26,453 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2022-12-13 15:42:26,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:42:26,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-13 15:42:26,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:26,454 INFO L225 Difference]: With dead ends: 25 [2022-12-13 15:42:26,454 INFO L226 Difference]: Without dead ends: 13 [2022-12-13 15:42:26,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:42:26,455 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:26,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:26,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-13 15:42:26,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 15:42:26,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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 15:42:26,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-13 15:42:26,458 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 10 [2022-12-13 15:42:26,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:26,458 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-13 15:42:26,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:42:26,458 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-13 15:42:26,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 15:42:26,458 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:26,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:26,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:42:26,459 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 15:42:26,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:26,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1773206154, now seen corresponding path program 1 times [2022-12-13 15:42:26,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:26,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571518354] [2022-12-13 15:42:26,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:26,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:26,517 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 15:42:26,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:26,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571518354] [2022-12-13 15:42:26,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571518354] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:26,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:42:26,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:42:26,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919000817] [2022-12-13 15:42:26,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:26,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:42:26,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:26,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:42:26,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:42:26,520 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:42:26,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:26,542 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2022-12-13 15:42:26,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:42:26,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) Word has length 10 [2022-12-13 15:42:26,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:26,543 INFO L225 Difference]: With dead ends: 21 [2022-12-13 15:42:26,543 INFO L226 Difference]: Without dead ends: 19 [2022-12-13 15:42:26,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:42:26,544 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 3 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:26,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 26 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:26,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-12-13 15:42:26,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-12-13 15:42:26,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:42:26,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2022-12-13 15:42:26,548 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 10 [2022-12-13 15:42:26,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:26,548 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2022-12-13 15:42:26,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 15:42:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2022-12-13 15:42:26,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 15:42:26,549 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:26,549 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:26,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 15:42:26,550 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 15:42:26,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:26,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1245799056, now seen corresponding path program 1 times [2022-12-13 15:42:26,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:26,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866725169] [2022-12-13 15:42:26,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:26,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:26,612 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 15:42:26,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:26,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866725169] [2022-12-13 15:42:26,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866725169] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:26,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:42:26,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:42:26,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262165171] [2022-12-13 15:42:26,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:26,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:42:26,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:26,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:42:26,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:42:26,615 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:42:26,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:26,642 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2022-12-13 15:42:26,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:42:26,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-12-13 15:42:26,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:26,643 INFO L225 Difference]: With dead ends: 35 [2022-12-13 15:42:26,643 INFO L226 Difference]: Without dead ends: 19 [2022-12-13 15:42:26,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:42:26,644 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 3 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:26,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 27 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:26,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-12-13 15:42:26,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-12-13 15:42:26,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 18 states have internal predecessors, (19), 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 15:42:26,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2022-12-13 15:42:26,647 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 16 [2022-12-13 15:42:26,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:26,648 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2022-12-13 15:42:26,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:42:26,648 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-12-13 15:42:26,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 15:42:26,648 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:26,648 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:26,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 15:42:26,649 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 15:42:26,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:26,649 INFO L85 PathProgramCache]: Analyzing trace with hash 2038050990, now seen corresponding path program 1 times [2022-12-13 15:42:26,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:26,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440571638] [2022-12-13 15:42:26,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:26,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:26,707 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:42:26,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:26,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440571638] [2022-12-13 15:42:26,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440571638] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:42:26,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675438869] [2022-12-13 15:42:26,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:26,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:26,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:42:26,709 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:42:26,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 15:42:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:26,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 15:42:26,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:42:26,809 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:42:26,809 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:42:26,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675438869] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:26,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:42:26,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-13 15:42:26,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427849355] [2022-12-13 15:42:26,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:26,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:42:26,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:26,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:42:26,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:42:26,811 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 15:42:26,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:26,839 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-12-13 15:42:26,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:42:26,839 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) Word has length 16 [2022-12-13 15:42:26,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:26,840 INFO L225 Difference]: With dead ends: 19 [2022-12-13 15:42:26,840 INFO L226 Difference]: Without dead ends: 18 [2022-12-13 15:42:26,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:42:26,841 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 9 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:26,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 22 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:26,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-12-13 15:42:26,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-12-13 15:42:26,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 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 15:42:26,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-12-13 15:42:26,845 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 16 [2022-12-13 15:42:26,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:26,845 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-12-13 15:42:26,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 15:42:26,845 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-12-13 15:42:26,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 15:42:26,846 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:26,846 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:26,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:42:27,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-13 15:42:27,049 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 15:42:27,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:27,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1244928683, now seen corresponding path program 1 times [2022-12-13 15:42:27,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:27,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603560824] [2022-12-13 15:42:27,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:27,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:27,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:42:27,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:27,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603560824] [2022-12-13 15:42:27,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603560824] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:42:27,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095142631] [2022-12-13 15:42:27,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:27,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:27,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:42:27,213 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:42:27,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 15:42:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:27,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 15:42:27,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:42:27,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:42:27,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:42:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:42:27,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095142631] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:42:27,334 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 15:42:27,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-12-13 15:42:27,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311560911] [2022-12-13 15:42:27,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 15:42:27,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 15:42:27,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:27,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 15:42:27,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-12-13 15:42:27,335 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 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 15:42:27,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:27,397 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2022-12-13 15:42:27,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 15:42:27,398 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 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) Word has length 17 [2022-12-13 15:42:27,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:27,399 INFO L225 Difference]: With dead ends: 37 [2022-12-13 15:42:27,399 INFO L226 Difference]: Without dead ends: 36 [2022-12-13 15:42:27,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-12-13 15:42:27,400 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 14 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:27,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 43 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:27,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-12-13 15:42:27,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-12-13 15:42:27,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 35 states have internal predecessors, (36), 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 15:42:27,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2022-12-13 15:42:27,405 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 17 [2022-12-13 15:42:27,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:27,405 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2022-12-13 15:42:27,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 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 15:42:27,405 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2022-12-13 15:42:27,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-13 15:42:27,406 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:27,406 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:27,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 15:42:27,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:27,608 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 15:42:27,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:27,609 INFO L85 PathProgramCache]: Analyzing trace with hash -436866137, now seen corresponding path program 2 times [2022-12-13 15:42:27,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:27,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020612098] [2022-12-13 15:42:27,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:27,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:27,864 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:42:27,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:27,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020612098] [2022-12-13 15:42:27,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020612098] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:42:27,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004122599] [2022-12-13 15:42:27,865 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 15:42:27,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:27,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:42:27,866 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:42:27,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 15:42:27,911 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 15:42:27,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 15:42:27,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:42:27,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:42:27,975 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-13 15:42:27,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:42:28,043 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-13 15:42:28,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004122599] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:42:28,043 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 15:42:28,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 17 [2022-12-13 15:42:28,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137746906] [2022-12-13 15:42:28,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 15:42:28,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 15:42:28,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:28,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 15:42:28,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2022-12-13 15:42:28,045 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand has 18 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 18 states have internal predecessors, (63), 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 15:42:28,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:28,216 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2022-12-13 15:42:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 15:42:28,217 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 18 states have internal predecessors, (63), 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) Word has length 35 [2022-12-13 15:42:28,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:28,217 INFO L225 Difference]: With dead ends: 45 [2022-12-13 15:42:28,217 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 15:42:28,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=273, Invalid=657, Unknown=0, NotChecked=0, Total=930 [2022-12-13 15:42:28,219 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 24 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:28,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 19 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 15:42:28,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 15:42:28,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 15:42:28,220 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 15:42:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 15:42:28,220 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2022-12-13 15:42:28,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:28,220 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 15:42:28,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 18 states have internal predecessors, (63), 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 15:42:28,220 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 15:42:28,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 15:42:28,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-12-13 15:42:28,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-12-13 15:42:28,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-12-13 15:42:28,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-12-13 15:42:28,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-12-13 15:42:28,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-12-13 15:42:28,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 15:42:28,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:28,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 15:42:28,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 535) no Hoare annotation was computed. [2022-12-13 15:42:28,619 INFO L899 garLoopResultBuilder]: For program point L535-1(line 535) no Hoare annotation was computed. [2022-12-13 15:42:28,619 INFO L899 garLoopResultBuilder]: For program point L535-2(lines 535 538) no Hoare annotation was computed. [2022-12-13 15:42:28,619 INFO L899 garLoopResultBuilder]: For program point L535-4(lines 535 538) no Hoare annotation was computed. [2022-12-13 15:42:28,619 INFO L899 garLoopResultBuilder]: For program point L535-5(line 535) no Hoare annotation was computed. [2022-12-13 15:42:28,619 INFO L899 garLoopResultBuilder]: For program point L535-6(line 535) no Hoare annotation was computed. [2022-12-13 15:42:28,620 INFO L895 garLoopResultBuilder]: At program point L535-7(lines 535 538) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_main_~length2~0#1|)) (.cse1 (<= |ULTIMATE.start_main_~length2~0#1| 2147483647))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (< |ULTIMATE.start_main_~i~0#1| 2147483647) .cse0 .cse1))) [2022-12-13 15:42:28,620 INFO L899 garLoopResultBuilder]: For program point L535-8(lines 535 538) no Hoare annotation was computed. [2022-12-13 15:42:28,620 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 522 543) the Hoare annotation is: (<= 1 |ULTIMATE.start_main_~length2~0#1|) [2022-12-13 15:42:28,620 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 15:42:28,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 535) no Hoare annotation was computed. [2022-12-13 15:42:28,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 540) no Hoare annotation was computed. [2022-12-13 15:42:28,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 15:42:28,620 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-12-13 15:42:28,621 INFO L899 garLoopResultBuilder]: For program point L528-1(lines 522 543) no Hoare annotation was computed. [2022-12-13 15:42:28,621 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 535) no Hoare annotation was computed. [2022-12-13 15:42:28,621 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 15:42:28,621 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 540) no Hoare annotation was computed. [2022-12-13 15:42:28,621 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 527) no Hoare annotation was computed. [2022-12-13 15:42:28,621 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 522 543) no Hoare annotation was computed. [2022-12-13 15:42:28,621 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 15:42:28,621 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 535) no Hoare annotation was computed. [2022-12-13 15:42:28,621 INFO L895 garLoopResultBuilder]: At program point cstrcpy_returnLabel#1(lines 514 521) the Hoare annotation is: (<= 1 |ULTIMATE.start_main_~length2~0#1|) [2022-12-13 15:42:28,621 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 518 519) no Hoare annotation was computed. [2022-12-13 15:42:28,621 INFO L895 garLoopResultBuilder]: At program point L518-3(lines 518 519) the Hoare annotation is: (<= 1 |ULTIMATE.start_main_~length2~0#1|) [2022-12-13 15:42:28,621 INFO L899 garLoopResultBuilder]: For program point L518-4(lines 518 519) no Hoare annotation was computed. [2022-12-13 15:42:28,624 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:28,626 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:42:28,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:42:28 BoogieIcfgContainer [2022-12-13 15:42:28,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:42:28,637 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:42:28,637 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:42:28,637 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:42:28,637 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:42:25" (3/4) ... [2022-12-13 15:42:28,639 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 15:42:28,646 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 15:42:28,646 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 15:42:28,646 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:42:28,646 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:42:28,668 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:42:28,668 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:42:28,668 INFO L158 Benchmark]: Toolchain (without parser) took 3349.13ms. Allocated memory was 142.6MB in the beginning and 174.1MB in the end (delta: 31.5MB). Free memory was 110.1MB in the beginning and 70.6MB in the end (delta: 39.5MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2022-12-13 15:42:28,668 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:42:28,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.26ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 93.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 15:42:28,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.91ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 91.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:42:28,669 INFO L158 Benchmark]: Boogie Preprocessor took 16.95ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 90.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:42:28,669 INFO L158 Benchmark]: RCFGBuilder took 261.63ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 78.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 15:42:28,669 INFO L158 Benchmark]: TraceAbstraction took 2753.50ms. Allocated memory was 142.6MB in the beginning and 174.1MB in the end (delta: 31.5MB). Free memory was 77.9MB in the beginning and 73.8MB in the end (delta: 4.1MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2022-12-13 15:42:28,670 INFO L158 Benchmark]: Witness Printer took 31.39ms. Allocated memory is still 174.1MB. Free memory was 73.8MB in the beginning and 70.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:42:28,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.26ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 93.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.91ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 91.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.95ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 90.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.63ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 78.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2753.50ms. Allocated memory was 142.6MB in the beginning and 174.1MB in the end (delta: 31.5MB). Free memory was 77.9MB in the beginning and 73.8MB in the end (delta: 4.1MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Witness Printer took 31.39ms. Allocated memory is still 174.1MB. Free memory was 73.8MB in the beginning and 70.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 535]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 535]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 535]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 535]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 540]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 540]: 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 1 procedures, 26 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 215 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 122 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 231 IncrementalHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 93 mSDtfsCounter, 231 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=8, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 16 NumberOfFragments, 33 HoareAnnotationTreeSize, 4 FomulaSimplifications, 36 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 196 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 192 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 610 SizeOfPredicates, 7 NumberOfNonLiveVariables, 218 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 106/213 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 6 specifications checked. All of them hold - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 1 <= length2 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 <= length2 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: ((i == 0 && 1 <= length2) && length2 <= 2147483647) || (((1 <= i && i < 2147483647) && 1 <= length2) && length2 <= 2147483647) - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 1 <= length2 RESULT: Ultimate proved your program to be correct! [2022-12-13 15:42:28,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996a02bd-a330-451d-9d04-474ac0f50fb5/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