./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS --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 165c3d31baf6e9e6eb3241886fc1e2aed511e6788979a2e699609d2c8b9e748b --- 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-4e7fbc6 [2022-11-23 01:46:30,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:46:30,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:46:30,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:46:30,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:46:30,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:46:30,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:46:30,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:46:30,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:46:30,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:46:30,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:46:30,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:46:30,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:46:30,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:46:30,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:46:30,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:46:30,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:46:30,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:46:30,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:46:30,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:46:30,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:46:30,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:46:30,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:46:30,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:46:30,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:46:30,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:46:30,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:46:30,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:46:30,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:46:30,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:46:30,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:46:30,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:46:30,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:46:30,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:46:30,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:46:30,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:46:30,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:46:30,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:46:30,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:46:30,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:46:30,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:46:30,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-23 01:46:30,998 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:46:30,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:46:30,999 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:46:30,999 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:46:31,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 01:46:31,001 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 01:46:31,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:46:31,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:46:31,014 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:46:31,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:46:31,015 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 01:46:31,015 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 01:46:31,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 01:46:31,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 01:46:31,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:46:31,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 01:46:31,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 01:46:31,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 01:46:31,017 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 01:46:31,017 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 01:46:31,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:46:31,017 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:46:31,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 01:46:31,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:46:31,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:46:31,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 01:46:31,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:46:31,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:46:31,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 01:46:31,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 01:46:31,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 01:46:31,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 01:46:31,020 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 01:46:31,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 01:46:31,020 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 01:46:31,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 01:46:31,021 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_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 165c3d31baf6e9e6eb3241886fc1e2aed511e6788979a2e699609d2c8b9e748b [2022-11-23 01:46:31,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:46:31,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:46:31,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:46:31,365 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:46:31,365 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:46:31,367 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2022-11-23 01:46:34,435 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:46:34,658 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:46:34,658 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2022-11-23 01:46:34,674 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/data/386b92fb1/5cb448d44fb44332a0c15c688d9322a6/FLAGa3ffa199a [2022-11-23 01:46:34,694 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/data/386b92fb1/5cb448d44fb44332a0c15c688d9322a6 [2022-11-23 01:46:34,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:46:34,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:46:34,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:46:34,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:46:34,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:46:34,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:34" (1/1) ... [2022-11-23 01:46:34,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4583e875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:34, skipping insertion in model container [2022-11-23 01:46:34,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:34" (1/1) ... [2022-11-23 01:46:34,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:46:34,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:46:35,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:46:35,109 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 01:46:35,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:46:35,167 INFO L208 MainTranslator]: Completed translation [2022-11-23 01:46:35,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:35 WrapperNode [2022-11-23 01:46:35,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 01:46:35,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 01:46:35,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 01:46:35,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 01:46:35,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:35" (1/1) ... [2022-11-23 01:46:35,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:35" (1/1) ... [2022-11-23 01:46:35,217 INFO L138 Inliner]: procedures = 117, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2022-11-23 01:46:35,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 01:46:35,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 01:46:35,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 01:46:35,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 01:46:35,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:35" (1/1) ... [2022-11-23 01:46:35,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:35" (1/1) ... [2022-11-23 01:46:35,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:35" (1/1) ... [2022-11-23 01:46:35,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:35" (1/1) ... [2022-11-23 01:46:35,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:35" (1/1) ... [2022-11-23 01:46:35,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:35" (1/1) ... [2022-11-23 01:46:35,259 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:35" (1/1) ... [2022-11-23 01:46:35,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:35" (1/1) ... [2022-11-23 01:46:35,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 01:46:35,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 01:46:35,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 01:46:35,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 01:46:35,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:35" (1/1) ... [2022-11-23 01:46:35,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:46:35,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:35,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:35,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 01:46:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 01:46:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 01:46:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 01:46:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 01:46:35,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 01:46:35,467 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 01:46:35,469 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 01:46:35,641 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 01:46:35,647 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 01:46:35,647 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 01:46:35,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:35 BoogieIcfgContainer [2022-11-23 01:46:35,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 01:46:35,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 01:46:35,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 01:46:35,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 01:46:35,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:46:34" (1/3) ... [2022-11-23 01:46:35,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6618c956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:46:35, skipping insertion in model container [2022-11-23 01:46:35,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:35" (2/3) ... [2022-11-23 01:46:35,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6618c956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:46:35, skipping insertion in model container [2022-11-23 01:46:35,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:35" (3/3) ... [2022-11-23 01:46:35,659 INFO L112 eAbstractionObserver]: Analyzing ICFG array-realloc-3.i [2022-11-23 01:46:35,679 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 01:46:35,680 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 01:46:35,729 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 01:46:35,736 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;@3a5e544c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 01:46:35,736 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-23 01:46:35,740 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 15 states have (on average 1.6) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:35,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 01:46:35,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:46:35,747 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 01:46:35,748 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 01:46:35,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:35,754 INFO L85 PathProgramCache]: Analyzing trace with hash 889571465, now seen corresponding path program 1 times [2022-11-23 01:46:35,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:35,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330563018] [2022-11-23 01:46:35,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:35,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:46:35,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:46:35,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:46:35,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330563018] [2022-11-23 01:46:35,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330563018] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:46:35,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:46:35,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 01:46:35,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809792355] [2022-11-23 01:46:35,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:46:35,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:46:35,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:46:36,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:46:36,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:46:36,021 INFO L87 Difference]: Start difference. First operand has 20 states, 15 states have (on average 1.6) internal successors, (24), 19 states have internal predecessors, (24), 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) [2022-11-23 01:46:36,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:46:36,070 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2022-11-23 01:46:36,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:46:36,073 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 [2022-11-23 01:46:36,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:46:36,081 INFO L225 Difference]: With dead ends: 35 [2022-11-23 01:46:36,081 INFO L226 Difference]: Without dead ends: 18 [2022-11-23 01:46:36,084 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 [2022-11-23 01:46:36,088 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 10 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:46:36,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 26 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:46:36,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-23 01:46:36,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-23 01:46:36,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 17 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) [2022-11-23 01:46:36,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2022-11-23 01:46:36,131 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 6 [2022-11-23 01:46:36,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:46:36,134 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-11-23 01:46:36,134 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) [2022-11-23 01:46:36,134 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-11-23 01:46:36,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 01:46:36,136 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:46:36,136 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:46:36,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 01:46:36,138 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 01:46:36,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:36,139 INFO L85 PathProgramCache]: Analyzing trace with hash 881212910, now seen corresponding path program 1 times [2022-11-23 01:46:36,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:36,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714878272] [2022-11-23 01:46:36,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:36,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:46:36,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:46:36,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:46:36,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714878272] [2022-11-23 01:46:36,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714878272] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:46:36,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:46:36,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 01:46:36,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403999416] [2022-11-23 01:46:36,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:46:36,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 01:46:36,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:46:36,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 01:46:36,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:46:36,434 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:36,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:46:36,505 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2022-11-23 01:46:36,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 01:46:36,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 [2022-11-23 01:46:36,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:46:36,514 INFO L225 Difference]: With dead ends: 40 [2022-11-23 01:46:36,514 INFO L226 Difference]: Without dead ends: 29 [2022-11-23 01:46:36,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:46:36,516 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 43 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:46:36,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 42 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:46:36,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-23 01:46:36,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 19. [2022-11-23 01:46:36,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.3333333333333333) 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) [2022-11-23 01:46:36,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2022-11-23 01:46:36,522 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 10 [2022-11-23 01:46:36,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:46:36,523 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2022-11-23 01:46:36,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:36,523 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2022-11-23 01:46:36,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 01:46:36,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:46:36,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:46:36,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 01:46:36,525 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 01:46:36,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:36,525 INFO L85 PathProgramCache]: Analyzing trace with hash 881214832, now seen corresponding path program 1 times [2022-11-23 01:46:36,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:36,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808119400] [2022-11-23 01:46:36,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:36,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:46:36,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:46:36,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:46:36,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808119400] [2022-11-23 01:46:36,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808119400] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:46:36,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:46:36,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 01:46:36,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071555163] [2022-11-23 01:46:36,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:46:36,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:46:36,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:46:36,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:46:36,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:46:36,612 INFO L87 Difference]: Start difference. First operand 19 states and 20 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) [2022-11-23 01:46:36,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:46:36,667 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-11-23 01:46:36,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:46:36,668 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 [2022-11-23 01:46:36,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:46:36,669 INFO L225 Difference]: With dead ends: 19 [2022-11-23 01:46:36,669 INFO L226 Difference]: Without dead ends: 17 [2022-11-23 01:46:36,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:46:36,671 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 9 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:46:36,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 12 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:46:36,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-23 01:46:36,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-23 01:46:36,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 15 states have (on average 1.2) internal successors, (18), 16 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) [2022-11-23 01:46:36,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-11-23 01:46:36,676 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 10 [2022-11-23 01:46:36,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:46:36,677 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-11-23 01:46:36,677 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) [2022-11-23 01:46:36,677 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-11-23 01:46:36,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 01:46:36,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:46:36,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:46:36,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 01:46:36,679 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 01:46:36,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:36,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1547856082, now seen corresponding path program 1 times [2022-11-23 01:46:36,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:36,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732184845] [2022-11-23 01:46:36,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:36,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:46:36,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:46:36,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:46:36,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732184845] [2022-11-23 01:46:36,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732184845] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:46:36,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:46:36,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 01:46:36,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415141785] [2022-11-23 01:46:36,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:46:36,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:46:36,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:46:36,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:46:36,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:46:36,797 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:36,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:46:36,856 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2022-11-23 01:46:36,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:46:36,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2022-11-23 01:46:36,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:46:36,858 INFO L225 Difference]: With dead ends: 25 [2022-11-23 01:46:36,860 INFO L226 Difference]: Without dead ends: 23 [2022-11-23 01:46:36,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:46:36,862 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 9 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:46:36,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 14 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 01:46:36,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-23 01:46:36,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-23 01:46:36,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:36,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2022-11-23 01:46:36,876 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 11 [2022-11-23 01:46:36,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:46:36,877 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2022-11-23 01:46:36,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:36,878 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2022-11-23 01:46:36,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 01:46:36,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:46:36,880 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:46:36,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 01:46:36,880 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 01:46:36,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:36,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1306552521, now seen corresponding path program 1 times [2022-11-23 01:46:36,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:36,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320840109] [2022-11-23 01:46:36,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:36,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:46:37,070 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:46:37,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:46:37,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320840109] [2022-11-23 01:46:37,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320840109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:46:37,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:46:37,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 01:46:37,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947100494] [2022-11-23 01:46:37,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:46:37,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 01:46:37,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:46:37,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 01:46:37,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 01:46:37,078 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2022-11-23 01:46:37,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:46:37,177 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2022-11-23 01:46:37,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 01:46:37,178 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) Word has length 18 [2022-11-23 01:46:37,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:46:37,181 INFO L225 Difference]: With dead ends: 32 [2022-11-23 01:46:37,181 INFO L226 Difference]: Without dead ends: 23 [2022-11-23 01:46:37,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-23 01:46:37,189 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 26 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:46:37,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 44 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:46:37,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-23 01:46:37,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-23 01:46:37,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 22 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:37,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2022-11-23 01:46:37,196 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 18 [2022-11-23 01:46:37,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:46:37,196 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2022-11-23 01:46:37,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2022-11-23 01:46:37,197 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2022-11-23 01:46:37,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 01:46:37,197 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:46:37,198 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-23 01:46:37,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 01:46:37,198 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 01:46:37,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:37,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1306612103, now seen corresponding path program 1 times [2022-11-23 01:46:37,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:37,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496432838] [2022-11-23 01:46:37,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:37,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:46:37,292 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 01:46:37,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:46:37,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496432838] [2022-11-23 01:46:37,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496432838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:46:37,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:46:37,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 01:46:37,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449602366] [2022-11-23 01:46:37,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:46:37,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:46:37,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:46:37,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:46:37,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:46:37,296 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 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) [2022-11-23 01:46:37,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:46:37,316 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2022-11-23 01:46:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:46:37,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 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 18 [2022-11-23 01:46:37,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:46:37,318 INFO L225 Difference]: With dead ends: 23 [2022-11-23 01:46:37,318 INFO L226 Difference]: Without dead ends: 22 [2022-11-23 01:46:37,318 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 [2022-11-23 01:46:37,326 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:46:37,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 6 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:46:37,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-23 01:46:37,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-23 01:46:37,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 21 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:37,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2022-11-23 01:46:37,337 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 18 [2022-11-23 01:46:37,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:46:37,337 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2022-11-23 01:46:37,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 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) [2022-11-23 01:46:37,338 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2022-11-23 01:46:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-23 01:46:37,338 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:46:37,339 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-23 01:46:37,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 01:46:37,339 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 01:46:37,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:37,340 INFO L85 PathProgramCache]: Analyzing trace with hash -7392466, now seen corresponding path program 1 times [2022-11-23 01:46:37,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:37,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925741170] [2022-11-23 01:46:37,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:37,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:46:37,407 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 01:46:37,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:46:37,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925741170] [2022-11-23 01:46:37,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925741170] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 01:46:37,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641948718] [2022-11-23 01:46:37,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:37,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:46:37,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:37,415 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 01:46:37,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 01:46:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:46:37,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 01:46:37,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:46:37,634 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:46:37,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 01:46:37,691 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:46:37,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641948718] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 01:46:37,692 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 01:46:37,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2022-11-23 01:46:37,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30061091] [2022-11-23 01:46:37,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 01:46:37,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 01:46:37,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:46:37,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 01:46:37,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-11-23 01:46:37,694 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:37,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:46:37,777 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2022-11-23 01:46:37,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 01:46:37,778 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-23 01:46:37,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:46:37,778 INFO L225 Difference]: With dead ends: 34 [2022-11-23 01:46:37,779 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 01:46:37,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=122, Unknown=0, NotChecked=0, Total=210 [2022-11-23 01:46:37,781 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 38 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:46:37,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 14 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:46:37,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 01:46:37,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 01:46:37,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:37,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 01:46:37,784 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2022-11-23 01:46:37,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:46:37,784 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 01:46:37,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:37,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 01:46:37,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 01:46:37,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-23 01:46:37,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-23 01:46:37,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-23 01:46:37,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-23 01:46:37,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:37,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:46:38,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 01:46:38,180 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 517) no Hoare annotation was computed. [2022-11-23 01:46:38,180 INFO L899 garLoopResultBuilder]: For program point L516-3(lines 516 522) no Hoare annotation was computed. [2022-11-23 01:46:38,181 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 01:46:38,181 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 520) no Hoare annotation was computed. [2022-11-23 01:46:38,181 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 533) no Hoare annotation was computed. [2022-11-23 01:46:38,181 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 529) no Hoare annotation was computed. [2022-11-23 01:46:38,181 INFO L902 garLoopResultBuilder]: At program point L523(lines 514 524) the Hoare annotation is: true [2022-11-23 01:46:38,182 INFO L899 garLoopResultBuilder]: For program point L517(line 517) no Hoare annotation was computed. [2022-11-23 01:46:38,182 INFO L899 garLoopResultBuilder]: For program point L517-1(line 517) no Hoare annotation was computed. [2022-11-23 01:46:38,182 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 01:46:38,182 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 517) no Hoare annotation was computed. [2022-11-23 01:46:38,182 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2022-11-23 01:46:38,182 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 520) no Hoare annotation was computed. [2022-11-23 01:46:38,183 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 01:46:38,183 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 01:46:38,187 INFO L895 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_main_~a~1#1.base| 0))) (.cse1 (<= ~num~0 99)) (.cse2 (not (= |ULTIMATE.start_#Ultimate.C_realloc_#res#1.base| 0))) (.cse3 (<= 1 ~newsize~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ~newsize~0 1)) (and .cse0 .cse1 .cse2 (< ~newsize~0 2147483645) .cse3 (not (= |ULTIMATE.start_#Ultimate.C_realloc_ptr#1.base| 0)) (not (= |ULTIMATE.start_expandArray_~a~0#1.base| 0))))) [2022-11-23 01:46:38,189 INFO L902 garLoopResultBuilder]: At program point L536(lines 525 537) the Hoare annotation is: true [2022-11-23 01:46:38,190 INFO L899 garLoopResultBuilder]: For program point L520(line 520) no Hoare annotation was computed. [2022-11-23 01:46:38,190 INFO L899 garLoopResultBuilder]: For program point L520-1(line 520) no Hoare annotation was computed. [2022-11-23 01:46:38,191 INFO L895 garLoopResultBuilder]: At program point L516-2(lines 516 522) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_main_~a~1#1.base| 0))) (.cse1 (<= ~num~0 99)) (.cse2 (not (= |ULTIMATE.start_#Ultimate.C_realloc_#res#1.base| 0))) (.cse3 (<= 1 ~newsize~0)) (.cse4 (not (= |ULTIMATE.start_expandArray_~a~0#1.base| 0))) (.cse5 (not (= |ULTIMATE.start_expandArray_~b~0#1.base| 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= ~newsize~0 1)) (and .cse0 .cse1 .cse4 (= ~newsize~0 0)) (and .cse0 .cse1 .cse2 (< ~newsize~0 2147483645) .cse3 (not (= |ULTIMATE.start_#Ultimate.C_realloc_ptr#1.base| 0)) .cse4 .cse5))) [2022-11-23 01:46:38,194 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:46:38,197 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 01:46:38,210 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled [2022-11-23 01:46:38,211 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled [2022-11-23 01:46:38,211 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr#1 : $Pointer$ not handled [2022-11-23 01:46:38,220 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled [2022-11-23 01:46:38,221 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled [2022-11-23 01:46:38,221 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr#1 : $Pointer$ not handled [2022-11-23 01:46:38,224 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled [2022-11-23 01:46:38,224 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled [2022-11-23 01:46:38,224 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr#1 : $Pointer$ not handled [2022-11-23 01:46:38,225 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled [2022-11-23 01:46:38,228 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled [2022-11-23 01:46:38,229 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr#1 : $Pointer$ not handled [2022-11-23 01:46:38,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:46:38 BoogieIcfgContainer [2022-11-23 01:46:38,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 01:46:38,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 01:46:38,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 01:46:38,239 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 01:46:38,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:35" (3/4) ... [2022-11-23 01:46:38,242 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 01:46:38,256 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-23 01:46:38,256 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-23 01:46:38,257 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 01:46:38,298 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 01:46:38,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 01:46:38,299 INFO L158 Benchmark]: Toolchain (without parser) took 3599.90ms. Allocated memory was 172.0MB in the beginning and 274.7MB in the end (delta: 102.8MB). Free memory was 125.5MB in the beginning and 139.6MB in the end (delta: -14.1MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB. [2022-11-23 01:46:38,299 INFO L158 Benchmark]: CDTParser took 0.98ms. Allocated memory is still 172.0MB. Free memory was 141.9MB in the beginning and 141.8MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:46:38,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.55ms. Allocated memory is still 172.0MB. Free memory was 125.5MB in the beginning and 109.4MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 01:46:38,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.34ms. Allocated memory is still 172.0MB. Free memory was 109.4MB in the beginning and 107.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:46:38,300 INFO L158 Benchmark]: Boogie Preprocessor took 45.73ms. Allocated memory is still 172.0MB. Free memory was 107.4MB in the beginning and 105.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:46:38,301 INFO L158 Benchmark]: RCFGBuilder took 384.98ms. Allocated memory is still 172.0MB. Free memory was 105.9MB in the beginning and 94.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 01:46:38,301 INFO L158 Benchmark]: TraceAbstraction took 2585.53ms. Allocated memory was 172.0MB in the beginning and 274.7MB in the end (delta: 102.8MB). Free memory was 93.5MB in the beginning and 141.7MB in the end (delta: -48.2MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2022-11-23 01:46:38,301 INFO L158 Benchmark]: Witness Printer took 59.82ms. Allocated memory is still 274.7MB. Free memory was 141.7MB in the beginning and 139.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:46:38,304 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98ms. Allocated memory is still 172.0MB. Free memory was 141.9MB in the beginning and 141.8MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.55ms. Allocated memory is still 172.0MB. Free memory was 125.5MB in the beginning and 109.4MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.34ms. Allocated memory is still 172.0MB. Free memory was 109.4MB in the beginning and 107.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.73ms. Allocated memory is still 172.0MB. Free memory was 107.4MB in the beginning and 105.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 384.98ms. Allocated memory is still 172.0MB. Free memory was 105.9MB in the beginning and 94.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2585.53ms. Allocated memory was 172.0MB in the beginning and 274.7MB in the end (delta: 102.8MB). Free memory was 93.5MB in the beginning and 141.7MB in the end (delta: -48.2MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. * Witness Printer took 59.82ms. Allocated memory is still 274.7MB. Free memory was 141.7MB in the beginning and 139.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr#1 : $Pointer$ not handled * 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: 517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 520]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 520]: 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, 20 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 141 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 158 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 79 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 79 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=4, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 17 NumberOfFragments, 119 HoareAnnotationTreeSize, 4 FomulaSimplifications, 126 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 112 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 127 ConstructedInterpolants, 0 QuantifiedInterpolants, 305 SizeOfPredicates, 0 NumberOfNonLiveVariables, 159 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 23/53 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant [2022-11-23 01:46:38,326 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled [2022-11-23 01:46:38,326 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled [2022-11-23 01:46:38,326 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr#1 : $Pointer$ not handled [2022-11-23 01:46:38,327 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled [2022-11-23 01:46:38,327 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled [2022-11-23 01:46:38,327 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr#1 : $Pointer$ not handled Derived loop invariant: ((((!(a == 0) && num <= 99) && !(#Ultimate.C_realloc_#res#1 == 0)) && 1 <= newsize) && newsize <= 1) || ((((((!(a == 0) && num <= 99) && !(#Ultimate.C_realloc_#res#1 == 0)) && newsize < 2147483645) && 1 <= newsize) && !(#Ultimate.C_realloc_ptr#1 == 0)) && !(a == 0)) - InvariantResult [Line: 516]: Loop Invariant [2022-11-23 01:46:38,328 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled [2022-11-23 01:46:38,328 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled [2022-11-23 01:46:38,328 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr#1 : $Pointer$ not handled [2022-11-23 01:46:38,329 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled [2022-11-23 01:46:38,329 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res#1 : $Pointer$ not handled [2022-11-23 01:46:38,329 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr#1 : $Pointer$ not handled Derived loop invariant: (((((((!(a == 0) && num <= 99) && !(#Ultimate.C_realloc_#res#1 == 0)) && 1 <= newsize) && !(a == 0)) && !(b == 0)) && newsize <= 1) || (((!(a == 0) && num <= 99) && !(a == 0)) && newsize == 0)) || (((((((!(a == 0) && num <= 99) && !(#Ultimate.C_realloc_#res#1 == 0)) && newsize < 2147483645) && 1 <= newsize) && !(#Ultimate.C_realloc_ptr#1 == 0)) && !(a == 0)) && !(b == 0)) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 01:46:38,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8deff1-baf6-4057-b5a8-99f01a57fa63/bin/uautomizer-QkZJyEgLgS/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