./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN --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 7f08d75c904d21d6573220c7737d451cd978e8a22a153e855f8d685d88a1eb60 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:39:31,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:39:31,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:39:31,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:39:31,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:39:31,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:39:31,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:39:31,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:39:31,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:39:31,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:39:31,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:39:31,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:39:31,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:39:31,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:39:31,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:39:31,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:39:31,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:39:31,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:39:31,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:39:31,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:39:31,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:39:31,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:39:31,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:39:31,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:39:31,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:39:31,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:39:31,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:39:31,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:39:31,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:39:31,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:39:31,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:39:31,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:39:31,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:39:31,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:39:31,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:39:31,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:39:31,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:39:31,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:39:31,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:39:31,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:39:31,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:39:31,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-20 10:39:31,955 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:39:31,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:39:31,956 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:39:31,956 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:39:31,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:39:31,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:39:31,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:39:31,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:39:31,958 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:39:31,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:39:31,959 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:39:31,959 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:39:31,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:39:31,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:39:31,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:39:31,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:39:31,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:39:31,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:39:31,961 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 10:39:31,961 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:39:31,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:39:31,961 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:39:31,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:39:31,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:39:31,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:39:31,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:39:31,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:39:31,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:39:31,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:39:31,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:39:31,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:39:31,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:39:31,964 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:39:31,964 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:39:31,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:39:31,965 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f08d75c904d21d6573220c7737d451cd978e8a22a153e855f8d685d88a1eb60 [2022-11-20 10:39:32,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:39:32,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:39:32,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:39:32,246 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:39:32,247 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:39:32,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i [2022-11-20 10:39:35,575 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:39:35,976 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:39:35,977 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i [2022-11-20 10:39:36,010 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/data/61adef05b/80b5f5410f614b79a9df18dd3b1f4b0b/FLAGbba543044 [2022-11-20 10:39:36,031 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/data/61adef05b/80b5f5410f614b79a9df18dd3b1f4b0b [2022-11-20 10:39:36,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:39:36,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:39:36,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:39:36,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:39:36,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:39:36,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:39:36" (1/1) ... [2022-11-20 10:39:36,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a44b72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:36, skipping insertion in model container [2022-11-20 10:39:36,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:39:36" (1/1) ... [2022-11-20 10:39:36,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:39:36,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:39:36,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:39:36,594 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:39:36,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:39:36,745 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:39:36,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:36 WrapperNode [2022-11-20 10:39:36,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:39:36,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:39:36,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:39:36,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:39:36,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:36" (1/1) ... [2022-11-20 10:39:36,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:36" (1/1) ... [2022-11-20 10:39:36,855 INFO L138 Inliner]: procedures = 174, calls = 145, calls flagged for inlining = 33, calls inlined = 20, statements flattened = 320 [2022-11-20 10:39:36,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:39:36,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:39:36,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:39:36,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:39:36,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:36" (1/1) ... [2022-11-20 10:39:36,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:36" (1/1) ... [2022-11-20 10:39:36,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:36" (1/1) ... [2022-11-20 10:39:36,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:36" (1/1) ... [2022-11-20 10:39:36,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:36" (1/1) ... [2022-11-20 10:39:36,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:36" (1/1) ... [2022-11-20 10:39:36,905 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:36" (1/1) ... [2022-11-20 10:39:36,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:36" (1/1) ... [2022-11-20 10:39:36,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:39:36,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:39:36,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:39:36,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:39:36,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:36" (1/1) ... [2022-11-20 10:39:36,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:39:36,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:36,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:36,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:39:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 10:39:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 10:39:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 10:39:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:39:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 10:39:37,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 10:39:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2022-11-20 10:39:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2022-11-20 10:39:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2022-11-20 10:39:37,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2022-11-20 10:39:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 10:39:37,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 10:39:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:39:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:39:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:39:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2022-11-20 10:39:37,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2022-11-20 10:39:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:39:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:39:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:39:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:39:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:39:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:39:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-20 10:39:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:39:37,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:39:37,316 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:39:37,322 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:39:37,873 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:39:37,881 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:39:37,881 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 10:39:37,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:39:37 BoogieIcfgContainer [2022-11-20 10:39:37,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:39:37,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:39:37,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:39:37,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:39:37,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:39:36" (1/3) ... [2022-11-20 10:39:37,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49bd39a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:39:37, skipping insertion in model container [2022-11-20 10:39:37,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:36" (2/3) ... [2022-11-20 10:39:37,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49bd39a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:39:37, skipping insertion in model container [2022-11-20 10:39:37,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:39:37" (3/3) ... [2022-11-20 10:39:37,893 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test12-2.i [2022-11-20 10:39:37,929 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:39:37,931 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 10:39:38,001 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:39:38,015 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;@90eeec5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:39:38,015 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 10:39:38,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 85 states have (on average 1.3411764705882352) internal successors, (114), 89 states have internal predecessors, (114), 15 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-20 10:39:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 10:39:38,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:38,037 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:38,038 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 10:39:38,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:38,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1953410613, now seen corresponding path program 1 times [2022-11-20 10:39:38,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:38,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482752963] [2022-11-20 10:39:38,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:38,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:38,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:39:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:38,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-20 10:39:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:38,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:39:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:38,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 10:39:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:38,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-20 10:39:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:38,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:39:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:38,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 10:39:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:38,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:39:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:38,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 10:39:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:38,860 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-11-20 10:39:38,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:39:38,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482752963] [2022-11-20 10:39:38,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482752963] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:39:38,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442223428] [2022-11-20 10:39:38,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:38,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:39:38,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:38,866 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:39:38,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 10:39:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:39,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:39:39,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-20 10:39:39,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:39:39,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442223428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:39,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:39:39,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-11-20 10:39:39,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911577749] [2022-11-20 10:39:39,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:39,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:39:39,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:39:39,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:39:39,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:39:39,392 INFO L87 Difference]: Start difference. First operand has 108 states, 85 states have (on average 1.3411764705882352) internal successors, (114), 89 states have internal predecessors, (114), 15 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-20 10:39:39,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:39,540 INFO L93 Difference]: Finished difference Result 293 states and 383 transitions. [2022-11-20 10:39:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:39:39,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 75 [2022-11-20 10:39:39,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:39,553 INFO L225 Difference]: With dead ends: 293 [2022-11-20 10:39:39,554 INFO L226 Difference]: Without dead ends: 76 [2022-11-20 10:39:39,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:39:39,568 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 108 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:39,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 526 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:39:39,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-20 10:39:39,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 62. [2022-11-20 10:39:39,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 46 states have internal predecessors, (51), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 10:39:39,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 75 transitions. [2022-11-20 10:39:39,637 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 75 transitions. Word has length 75 [2022-11-20 10:39:39,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:39,639 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 75 transitions. [2022-11-20 10:39:39,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-20 10:39:39,640 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 75 transitions. [2022-11-20 10:39:39,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 10:39:39,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:39,648 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:39,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:39,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-20 10:39:39,856 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 10:39:39,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:39,857 INFO L85 PathProgramCache]: Analyzing trace with hash -544805382, now seen corresponding path program 1 times [2022-11-20 10:39:39,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:39,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478197721] [2022-11-20 10:39:39,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:39,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:40,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:39:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:40,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-20 10:39:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:40,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:39:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:40,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 10:39:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:40,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-20 10:39:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:40,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:39:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:40,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 10:39:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:40,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:39:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:40,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 10:39:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:40,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-20 10:39:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:40,268 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-20 10:39:40,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:39:40,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478197721] [2022-11-20 10:39:40,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478197721] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:39:40,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394879297] [2022-11-20 10:39:40,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:40,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:39:40,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:40,275 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:39:40,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 10:39:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:40,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:39:40,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:40,709 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-20 10:39:40,710 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:39:40,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394879297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:40,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:39:40,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-11-20 10:39:40,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446749776] [2022-11-20 10:39:40,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:40,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:39:40,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:39:40,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:39:40,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:39:40,713 INFO L87 Difference]: Start difference. First operand 62 states and 75 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-20 10:39:40,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:40,763 INFO L93 Difference]: Finished difference Result 104 states and 123 transitions. [2022-11-20 10:39:40,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:39:40,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 82 [2022-11-20 10:39:40,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:40,769 INFO L225 Difference]: With dead ends: 104 [2022-11-20 10:39:40,769 INFO L226 Difference]: Without dead ends: 62 [2022-11-20 10:39:40,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:39:40,776 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 1 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:40,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 215 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:39:40,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-20 10:39:40,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-11-20 10:39:40,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 46 states have internal predecessors, (50), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 10:39:40,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 74 transitions. [2022-11-20 10:39:40,794 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 74 transitions. Word has length 82 [2022-11-20 10:39:40,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:40,795 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 74 transitions. [2022-11-20 10:39:40,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-20 10:39:40,795 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 74 transitions. [2022-11-20 10:39:40,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 10:39:40,803 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:40,804 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:40,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:41,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:39:41,011 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 10:39:41,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:41,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1570100034, now seen corresponding path program 1 times [2022-11-20 10:39:41,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:41,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670379090] [2022-11-20 10:39:41,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:41,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:41,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:39:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:41,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-20 10:39:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:41,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:39:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:41,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 10:39:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:41,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-20 10:39:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:41,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:39:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:41,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 10:39:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:41,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:39:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:41,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 10:39:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:41,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-20 10:39:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:41,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 10:39:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:41,340 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-20 10:39:41,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:39:41,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670379090] [2022-11-20 10:39:41,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670379090] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:39:41,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80594562] [2022-11-20 10:39:41,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:41,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:39:41,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:41,342 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:39:41,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 10:39:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:41,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:39:41,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:41,852 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-20 10:39:41,852 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:39:41,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80594562] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:41,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:39:41,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-11-20 10:39:41,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367539192] [2022-11-20 10:39:41,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:41,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:39:41,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:39:41,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:39:41,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:39:41,863 INFO L87 Difference]: Start difference. First operand 62 states and 74 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 10:39:41,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:41,913 INFO L93 Difference]: Finished difference Result 87 states and 105 transitions. [2022-11-20 10:39:41,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:39:41,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 88 [2022-11-20 10:39:41,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:41,919 INFO L225 Difference]: With dead ends: 87 [2022-11-20 10:39:41,919 INFO L226 Difference]: Without dead ends: 86 [2022-11-20 10:39:41,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:39:41,921 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 6 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:41,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 213 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:39:41,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-20 10:39:41,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2022-11-20 10:39:41,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 61 states have (on average 1.1147540983606556) internal successors, (68), 64 states have internal predecessors, (68), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-20 10:39:41,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 102 transitions. [2022-11-20 10:39:41,932 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 102 transitions. Word has length 88 [2022-11-20 10:39:41,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:41,933 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 102 transitions. [2022-11-20 10:39:41,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 10:39:41,934 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2022-11-20 10:39:41,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-20 10:39:41,935 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:41,935 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:41,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:42,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:39:42,144 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 10:39:42,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:42,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1428460628, now seen corresponding path program 1 times [2022-11-20 10:39:42,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:42,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014095619] [2022-11-20 10:39:42,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:42,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:42,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:39:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:42,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-20 10:39:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:42,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:39:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:42,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 10:39:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:42,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-20 10:39:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:42,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:39:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:42,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 10:39:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:42,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:39:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:42,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 10:39:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:42,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-20 10:39:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:42,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 10:39:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:42,438 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-20 10:39:42,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:39:42,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014095619] [2022-11-20 10:39:42,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014095619] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:39:42,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791628007] [2022-11-20 10:39:42,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:42,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:39:42,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:42,441 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:39:42,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 10:39:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:42,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:39:42,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:42,882 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-20 10:39:42,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:39:42,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791628007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:42,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:39:42,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-11-20 10:39:42,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861820137] [2022-11-20 10:39:42,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:42,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:39:42,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:39:42,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:39:42,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:39:42,886 INFO L87 Difference]: Start difference. First operand 84 states and 102 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 10:39:42,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:42,924 INFO L93 Difference]: Finished difference Result 84 states and 102 transitions. [2022-11-20 10:39:42,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:39:42,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 89 [2022-11-20 10:39:42,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:42,928 INFO L225 Difference]: With dead ends: 84 [2022-11-20 10:39:42,928 INFO L226 Difference]: Without dead ends: 83 [2022-11-20 10:39:42,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:39:42,929 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 5 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:42,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 180 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:39:42,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-20 10:39:42,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-11-20 10:39:42,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 61 states have (on average 1.098360655737705) internal successors, (67), 63 states have internal predecessors, (67), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-20 10:39:42,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 101 transitions. [2022-11-20 10:39:42,940 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 101 transitions. Word has length 89 [2022-11-20 10:39:42,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:42,940 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 101 transitions. [2022-11-20 10:39:42,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 10:39:42,941 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2022-11-20 10:39:42,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-20 10:39:42,943 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:42,943 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:42,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-20 10:39:43,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:39:43,153 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 10:39:43,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:43,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1178816842, now seen corresponding path program 1 times [2022-11-20 10:39:43,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:43,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4634793] [2022-11-20 10:39:43,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:43,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:43,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:39:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:43,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-20 10:39:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:43,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:39:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:43,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 10:39:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:43,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-20 10:39:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:43,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:39:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:43,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 10:39:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:43,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:39:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:43,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 10:39:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:43,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-20 10:39:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:43,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 10:39:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:43,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 10:39:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:43,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-20 10:39:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:43,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-20 10:39:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:43,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 10:39:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:43,503 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2022-11-20 10:39:43,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:39:43,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4634793] [2022-11-20 10:39:43,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4634793] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:39:43,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271352747] [2022-11-20 10:39:43,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:43,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:39:43,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:43,506 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:39:43,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 10:39:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:43,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:39:43,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-11-20 10:39:44,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:39:44,265 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-11-20 10:39:44,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271352747] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:39:44,265 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:39:44,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 15 [2022-11-20 10:39:44,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518766078] [2022-11-20 10:39:44,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:39:44,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-20 10:39:44,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:39:44,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-20 10:39:44,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2022-11-20 10:39:44,269 INFO L87 Difference]: Start difference. First operand 83 states and 101 transitions. Second operand has 15 states, 15 states have (on average 8.2) internal successors, (123), 12 states have internal predecessors, (123), 6 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (28), 7 states have call predecessors, (28), 6 states have call successors, (28) [2022-11-20 10:39:45,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:45,569 INFO L93 Difference]: Finished difference Result 325 states and 432 transitions. [2022-11-20 10:39:45,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-20 10:39:45,570 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.2) internal successors, (123), 12 states have internal predecessors, (123), 6 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (28), 7 states have call predecessors, (28), 6 states have call successors, (28) Word has length 126 [2022-11-20 10:39:45,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:45,573 INFO L225 Difference]: With dead ends: 325 [2022-11-20 10:39:45,573 INFO L226 Difference]: Without dead ends: 269 [2022-11-20 10:39:45,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=203, Invalid=919, Unknown=0, NotChecked=0, Total=1122 [2022-11-20 10:39:45,575 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 141 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:45,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 489 Invalid, 968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 863 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:39:45,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-11-20 10:39:45,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 164. [2022-11-20 10:39:45,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 126 states have (on average 1.0714285714285714) internal successors, (135), 127 states have internal predecessors, (135), 32 states have call successors, (32), 4 states have call predecessors, (32), 5 states have return successors, (48), 37 states have call predecessors, (48), 32 states have call successors, (48) [2022-11-20 10:39:45,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 215 transitions. [2022-11-20 10:39:45,632 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 215 transitions. Word has length 126 [2022-11-20 10:39:45,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:45,632 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 215 transitions. [2022-11-20 10:39:45,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.2) internal successors, (123), 12 states have internal predecessors, (123), 6 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (28), 7 states have call predecessors, (28), 6 states have call successors, (28) [2022-11-20 10:39:45,633 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 215 transitions. [2022-11-20 10:39:45,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-11-20 10:39:45,636 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:45,636 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 11, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:45,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:45,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:39:45,847 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 10:39:45,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:45,848 INFO L85 PathProgramCache]: Analyzing trace with hash 583627961, now seen corresponding path program 1 times [2022-11-20 10:39:45,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:39:45,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129720695] [2022-11-20 10:39:45,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:45,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:39:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:39:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-20 10:39:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 10:39:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 10:39:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-20 10:39:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:39:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 10:39:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:39:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 10:39:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-20 10:39:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 10:39:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 10:39:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-20 10:39:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-20 10:39:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 10:39:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-20 10:39:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-20 10:39:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 10:39:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-20 10:39:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-20 10:39:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-20 10:39:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-20 10:39:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 10:39:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-20 10:39:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 10:39:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-20 10:39:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-20 10:39:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:46,927 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 40 proven. 18 refuted. 0 times theorem prover too weak. 743 trivial. 0 not checked. [2022-11-20 10:39:46,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:39:46,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129720695] [2022-11-20 10:39:46,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129720695] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:39:46,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007757178] [2022-11-20 10:39:46,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:46,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:39:46,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:46,929 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:39:46,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 10:39:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:47,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 2001 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 10:39:47,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:48,051 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 457 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2022-11-20 10:39:48,051 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:39:48,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007757178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:48,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:39:48,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-20 10:39:48,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783263004] [2022-11-20 10:39:48,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:48,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:39:48,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:39:48,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:39:48,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-20 10:39:48,054 INFO L87 Difference]: Start difference. First operand 164 states and 215 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2022-11-20 10:39:48,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:48,163 INFO L93 Difference]: Finished difference Result 181 states and 230 transitions. [2022-11-20 10:39:48,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 10:39:48,164 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 240 [2022-11-20 10:39:48,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:48,165 INFO L225 Difference]: With dead ends: 181 [2022-11-20 10:39:48,165 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:39:48,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-11-20 10:39:48,166 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 6 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:48,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 317 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:39:48,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:39:48,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:39:48,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:39:48,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:39:48,168 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 240 [2022-11-20 10:39:48,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:48,168 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:39:48,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2022-11-20 10:39:48,168 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:39:48,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:39:48,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-20 10:39:48,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-20 10:39:48,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:48,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:39:48,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:39:48,791 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-20 10:39:48,791 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2022-11-20 10:39:48,791 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memcpyFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:39:48,791 INFO L895 garLoopResultBuilder]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2022-11-20 10:39:48,792 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:39:48,792 INFO L899 garLoopResultBuilder]: For program point L592(lines 592 595) no Hoare annotation was computed. [2022-11-20 10:39:48,792 INFO L899 garLoopResultBuilder]: For program point L592-2(lines 591 596) no Hoare annotation was computed. [2022-11-20 10:39:48,792 INFO L899 garLoopResultBuilder]: For program point ldv_msg_freeEXIT(lines 591 596) no Hoare annotation was computed. [2022-11-20 10:39:48,792 INFO L902 garLoopResultBuilder]: At program point ldv_msg_freeENTRY(lines 591 596) the Hoare annotation is: true [2022-11-20 10:39:48,792 INFO L895 garLoopResultBuilder]: At program point LDV_INIT_LIST_HEADENTRY(lines 538 542) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2022-11-20 10:39:48,792 INFO L899 garLoopResultBuilder]: For program point LDV_INIT_LIST_HEADFINAL(lines 538 542) no Hoare annotation was computed. [2022-11-20 10:39:48,792 INFO L899 garLoopResultBuilder]: For program point LDV_INIT_LIST_HEADEXIT(lines 538 542) no Hoare annotation was computed. [2022-11-20 10:39:48,792 INFO L895 garLoopResultBuilder]: At program point __ldv_list_addENTRY(lines 543 551) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2022-11-20 10:39:48,793 INFO L899 garLoopResultBuilder]: For program point __ldv_list_addFINAL(lines 543 551) no Hoare annotation was computed. [2022-11-20 10:39:48,793 INFO L899 garLoopResultBuilder]: For program point __ldv_list_addEXIT(lines 543 551) no Hoare annotation was computed. [2022-11-20 10:39:48,793 INFO L895 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 525 531) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-20 10:39:48,793 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 530) no Hoare annotation was computed. [2022-11-20 10:39:48,793 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 525 531) no Hoare annotation was computed. [2022-11-20 10:39:48,793 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 525 531) no Hoare annotation was computed. [2022-11-20 10:39:48,793 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 913) no Hoare annotation was computed. [2022-11-20 10:39:48,793 INFO L899 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2022-11-20 10:39:48,793 INFO L895 garLoopResultBuilder]: At program point L581(lines 574 582) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_master_xfer_~num#1| 2))) (or (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 0) (<= 0 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 1) (<= 1 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0))) [2022-11-20 10:39:48,793 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 897) no Hoare annotation was computed. [2022-11-20 10:39:48,794 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:39:48,794 INFO L899 garLoopResultBuilder]: For program point L895-2(lines 895 897) no Hoare annotation was computed. [2022-11-20 10:39:48,794 INFO L899 garLoopResultBuilder]: For program point L598(lines 598 601) no Hoare annotation was computed. [2022-11-20 10:39:48,794 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 568) no Hoare annotation was computed. [2022-11-20 10:39:48,794 INFO L902 garLoopResultBuilder]: At program point L846(line 846) the Hoare annotation is: true [2022-11-20 10:39:48,794 INFO L899 garLoopResultBuilder]: For program point L846-1(line 846) no Hoare annotation was computed. [2022-11-20 10:39:48,794 INFO L895 garLoopResultBuilder]: At program point L797-2(lines 797 805) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_master_xfer_~num#1| 2))) (or (and .cse0 (< |ULTIMATE.start_master_xfer_~i~0#1| 2147483646) (<= 2 |ULTIMATE.start_master_xfer_~i~0#1|)) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 0) (<= 0 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 1) (<= 1 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0))) [2022-11-20 10:39:48,794 INFO L899 garLoopResultBuilder]: For program point L797-3(lines 797 805) no Hoare annotation was computed. [2022-11-20 10:39:48,794 INFO L902 garLoopResultBuilder]: At program point L880(line 880) the Hoare annotation is: true [2022-11-20 10:39:48,794 INFO L899 garLoopResultBuilder]: For program point L880-1(line 880) no Hoare annotation was computed. [2022-11-20 10:39:48,795 INFO L899 garLoopResultBuilder]: For program point L847(line 847) no Hoare annotation was computed. [2022-11-20 10:39:48,795 INFO L902 garLoopResultBuilder]: At program point L814(lines 813 815) the Hoare annotation is: true [2022-11-20 10:39:48,795 INFO L899 garLoopResultBuilder]: For program point L881(line 881) no Hoare annotation was computed. [2022-11-20 10:39:48,795 INFO L902 garLoopResultBuilder]: At program point L848(line 848) the Hoare annotation is: true [2022-11-20 10:39:48,795 INFO L899 garLoopResultBuilder]: For program point L848-1(line 848) no Hoare annotation was computed. [2022-11-20 10:39:48,795 INFO L902 garLoopResultBuilder]: At program point L865(lines 841 866) the Hoare annotation is: true [2022-11-20 10:39:48,795 INFO L899 garLoopResultBuilder]: For program point L799(line 799) no Hoare annotation was computed. [2022-11-20 10:39:48,795 INFO L895 garLoopResultBuilder]: At program point L585(line 585) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_master_xfer_~num#1| 2))) (or (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 0) (<= 0 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 1) (<= 1 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0))) [2022-11-20 10:39:48,795 INFO L899 garLoopResultBuilder]: For program point L585-1(line 585) no Hoare annotation was computed. [2022-11-20 10:39:48,796 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 556) no Hoare annotation was computed. [2022-11-20 10:39:48,796 INFO L902 garLoopResultBuilder]: At program point L899(lines 876 910) the Hoare annotation is: true [2022-11-20 10:39:48,796 INFO L899 garLoopResultBuilder]: For program point L833(lines 833 838) no Hoare annotation was computed. [2022-11-20 10:39:48,796 INFO L899 garLoopResultBuilder]: For program point L833-2(lines 833 838) no Hoare annotation was computed. [2022-11-20 10:39:48,796 INFO L895 garLoopResultBuilder]: At program point L602(lines 597 603) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_master_xfer_~num#1| 2))) (or (<= (+ |ULTIMATE.start_ldv_submit_msg_#res#1| 1) 0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 0) (<= 0 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 1) (<= 1 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0))) [2022-11-20 10:39:48,796 INFO L902 garLoopResultBuilder]: At program point L619(lines 617 620) the Hoare annotation is: true [2022-11-20 10:39:48,796 INFO L899 garLoopResultBuilder]: For program point L586(line 586) no Hoare annotation was computed. [2022-11-20 10:39:48,796 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 875) no Hoare annotation was computed. [2022-11-20 10:39:48,796 INFO L902 garLoopResultBuilder]: At program point L834(line 834) the Hoare annotation is: true [2022-11-20 10:39:48,796 INFO L899 garLoopResultBuilder]: For program point L801(line 801) no Hoare annotation was computed. [2022-11-20 10:39:48,796 INFO L899 garLoopResultBuilder]: For program point L834-1(line 834) no Hoare annotation was computed. [2022-11-20 10:39:48,797 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:39:48,797 INFO L902 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2022-11-20 10:39:48,797 INFO L899 garLoopResultBuilder]: For program point L884-1(line 884) no Hoare annotation was computed. [2022-11-20 10:39:48,797 INFO L899 garLoopResultBuilder]: For program point L851(line 851) no Hoare annotation was computed. [2022-11-20 10:39:48,797 INFO L895 garLoopResultBuilder]: At program point L587(line 587) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_master_xfer_~num#1| 2))) (or (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 0) (<= 0 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 1) (<= 1 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0))) [2022-11-20 10:39:48,797 INFO L899 garLoopResultBuilder]: For program point L587-1(line 587) no Hoare annotation was computed. [2022-11-20 10:39:48,797 INFO L902 garLoopResultBuilder]: At program point L901(lines 876 910) the Hoare annotation is: true [2022-11-20 10:39:48,797 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 611) no Hoare annotation was computed. [2022-11-20 10:39:48,797 INFO L899 garLoopResultBuilder]: For program point L885(line 885) no Hoare annotation was computed. [2022-11-20 10:39:48,797 INFO L902 garLoopResultBuilder]: At program point L852(lines 852 859) the Hoare annotation is: true [2022-11-20 10:39:48,798 INFO L899 garLoopResultBuilder]: For program point L621(lines 621 624) no Hoare annotation was computed. [2022-11-20 10:39:48,798 INFO L899 garLoopResultBuilder]: For program point L803(line 803) no Hoare annotation was computed. [2022-11-20 10:39:48,798 INFO L902 garLoopResultBuilder]: At program point L803-1(lines 793 812) the Hoare annotation is: true [2022-11-20 10:39:48,798 INFO L899 garLoopResultBuilder]: For program point L853(line 853) no Hoare annotation was computed. [2022-11-20 10:39:48,798 INFO L899 garLoopResultBuilder]: For program point L853-2(line 853) no Hoare annotation was computed. [2022-11-20 10:39:48,798 INFO L895 garLoopResultBuilder]: At program point L589(lines 583 590) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_master_xfer_~num#1| 2))) (or (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 0) (<= 0 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 1) (<= 1 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (<= 3 |ULTIMATE.start_ldv_msg_fill_#res#1|))) [2022-11-20 10:39:48,798 INFO L902 garLoopResultBuilder]: At program point L903(lines 876 910) the Hoare annotation is: true [2022-11-20 10:39:48,798 INFO L899 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2022-11-20 10:39:48,800 INFO L899 garLoopResultBuilder]: For program point L804-1(line 804) no Hoare annotation was computed. [2022-11-20 10:39:48,800 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 804) no Hoare annotation was computed. [2022-11-20 10:39:48,800 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:39:48,800 INFO L902 garLoopResultBuilder]: At program point L887(line 887) the Hoare annotation is: true [2022-11-20 10:39:48,800 INFO L899 garLoopResultBuilder]: For program point L887-1(line 887) no Hoare annotation was computed. [2022-11-20 10:39:48,801 INFO L899 garLoopResultBuilder]: For program point L854(line 854) no Hoare annotation was computed. [2022-11-20 10:39:48,801 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 560) no Hoare annotation was computed. [2022-11-20 10:39:48,801 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 804) no Hoare annotation was computed. [2022-11-20 10:39:48,801 INFO L902 garLoopResultBuilder]: At program point L607-2(lines 607 610) the Hoare annotation is: true [2022-11-20 10:39:48,801 INFO L899 garLoopResultBuilder]: For program point L888(line 888) no Hoare annotation was computed. [2022-11-20 10:39:48,801 INFO L902 garLoopResultBuilder]: At program point L905(lines 876 910) the Hoare annotation is: true [2022-11-20 10:39:48,802 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 874) no Hoare annotation was computed. [2022-11-20 10:39:48,802 INFO L902 garLoopResultBuilder]: At program point L839(lines 816 840) the Hoare annotation is: true [2022-11-20 10:39:48,802 INFO L899 garLoopResultBuilder]: For program point L856(line 856) no Hoare annotation was computed. [2022-11-20 10:39:48,802 INFO L895 garLoopResultBuilder]: At program point L559(line 559) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_master_xfer_~num#1| 2))) (or (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 0) (<= 0 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 1) (<= 1 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0))) [2022-11-20 10:39:48,802 INFO L899 garLoopResultBuilder]: For program point L559-1(line 559) no Hoare annotation was computed. [2022-11-20 10:39:48,802 INFO L902 garLoopResultBuilder]: At program point L774(lines 772 775) the Hoare annotation is: true [2022-11-20 10:39:48,803 INFO L902 garLoopResultBuilder]: At program point L609(line 609) the Hoare annotation is: true [2022-11-20 10:39:48,803 INFO L895 garLoopResultBuilder]: At program point L576(line 576) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_master_xfer_~num#1| 2))) (or (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 0) (<= 0 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 1) (<= 1 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0))) [2022-11-20 10:39:48,803 INFO L899 garLoopResultBuilder]: For program point L609-1(lines 607 610) no Hoare annotation was computed. [2022-11-20 10:39:48,803 INFO L899 garLoopResultBuilder]: For program point L576-1(line 576) no Hoare annotation was computed. [2022-11-20 10:39:48,803 INFO L902 garLoopResultBuilder]: At program point L907(lines 876 910) the Hoare annotation is: true [2022-11-20 10:39:48,803 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 580) no Hoare annotation was computed. [2022-11-20 10:39:48,803 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 577 580) no Hoare annotation was computed. [2022-11-20 10:39:48,804 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:39:48,804 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-20 10:39:48,804 INFO L902 garLoopResultBuilder]: At program point L891(line 891) the Hoare annotation is: true [2022-11-20 10:39:48,804 INFO L899 garLoopResultBuilder]: For program point L891-1(line 891) no Hoare annotation was computed. [2022-11-20 10:39:48,804 INFO L902 garLoopResultBuilder]: At program point L858(lines 841 866) the Hoare annotation is: true [2022-11-20 10:39:48,804 INFO L902 garLoopResultBuilder]: At program point L809(lines 793 812) the Hoare annotation is: true [2022-11-20 10:39:48,805 INFO L899 garLoopResultBuilder]: For program point L776(lines 776 779) no Hoare annotation was computed. [2022-11-20 10:39:48,805 INFO L899 garLoopResultBuilder]: For program point L892(line 892) no Hoare annotation was computed. [2022-11-20 10:39:48,805 INFO L902 garLoopResultBuilder]: At program point L909(lines 876 910) the Hoare annotation is: true [2022-11-20 10:39:48,805 INFO L895 garLoopResultBuilder]: At program point L579(line 579) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_master_xfer_~num#1| 2))) (or (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 0) (<= 0 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 1) (<= 1 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0))) [2022-11-20 10:39:48,805 INFO L902 garLoopResultBuilder]: At program point L877(line 877) the Hoare annotation is: true [2022-11-20 10:39:48,805 INFO L899 garLoopResultBuilder]: For program point L877-1(line 877) no Hoare annotation was computed. [2022-11-20 10:39:48,805 INFO L902 garLoopResultBuilder]: At program point L811(lines 793 812) the Hoare annotation is: true [2022-11-20 10:39:48,809 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-20 10:39:48,811 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:39:48,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:39:48 BoogieIcfgContainer [2022-11-20 10:39:48,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:39:48,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:39:48,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:39:48,824 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:39:48,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:39:37" (3/4) ... [2022-11-20 10:39:48,828 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:39:48,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-20 10:39:48,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2022-11-20 10:39:48,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2022-11-20 10:39:48,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2022-11-20 10:39:48,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2022-11-20 10:39:48,842 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2022-11-20 10:39:48,842 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-20 10:39:48,843 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 10:39:48,843 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:39:48,868 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((i <= 0 && 0 <= i) && num <= 2) || ((i <= 1 && 1 <= i) && num <= 2)) || 3 <= \result [2022-11-20 10:39:48,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result + 1 <= 0 || ((i <= 0 && 0 <= i) && num <= 2)) || ((i <= 1 && 1 <= i) && num <= 2) [2022-11-20 10:39:48,913 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:39:48,913 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:39:48,914 INFO L158 Benchmark]: Toolchain (without parser) took 12873.05ms. Allocated memory was 172.0MB in the beginning and 251.7MB in the end (delta: 79.7MB). Free memory was 140.0MB in the beginning and 125.7MB in the end (delta: 14.3MB). Peak memory consumption was 95.4MB. Max. memory is 16.1GB. [2022-11-20 10:39:48,914 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 71.8MB in the end (delta: 262.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:39:48,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 701.91ms. Allocated memory is still 172.0MB. Free memory was 140.0MB in the beginning and 116.1MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 10:39:48,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.53ms. Allocated memory is still 172.0MB. Free memory was 116.1MB in the beginning and 112.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:39:48,915 INFO L158 Benchmark]: Boogie Preprocessor took 64.62ms. Allocated memory is still 172.0MB. Free memory was 112.3MB in the beginning and 109.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:39:48,915 INFO L158 Benchmark]: RCFGBuilder took 961.15ms. Allocated memory is still 172.0MB. Free memory was 109.1MB in the beginning and 71.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-20 10:39:48,916 INFO L158 Benchmark]: TraceAbstraction took 10937.26ms. Allocated memory was 172.0MB in the beginning and 251.7MB in the end (delta: 79.7MB). Free memory was 70.4MB in the beginning and 133.2MB in the end (delta: -62.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-11-20 10:39:48,916 INFO L158 Benchmark]: Witness Printer took 89.00ms. Allocated memory is still 251.7MB. Free memory was 133.2MB in the beginning and 125.7MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 10:39:48,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 71.8MB in the end (delta: 262.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 701.91ms. Allocated memory is still 172.0MB. Free memory was 140.0MB in the beginning and 116.1MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.53ms. Allocated memory is still 172.0MB. Free memory was 116.1MB in the beginning and 112.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.62ms. Allocated memory is still 172.0MB. Free memory was 112.3MB in the beginning and 109.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 961.15ms. Allocated memory is still 172.0MB. Free memory was 109.1MB in the beginning and 71.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 10937.26ms. Allocated memory was 172.0MB in the beginning and 251.7MB in the end (delta: 79.7MB). Free memory was 70.4MB in the beginning and 133.2MB in the end (delta: -62.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Witness Printer took 89.00ms. Allocated memory is still 251.7MB. Free memory was 133.2MB in the beginning and 125.7MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 804]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 804]: 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 6 procedures, 108 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 6, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 287 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 267 mSDsluCounter, 1940 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1303 mSDsCounter, 116 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 973 IncrementalHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 116 mSolverCounterUnsat, 637 mSDtfsCounter, 973 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1043 GetRequests, 965 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=5, InterpolantAutomatonStates: 54, 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, 6 MinimizatonAttempts, 121 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 125 PreInvPairs, 206 NumberOfFragments, 274 HoareAnnotationTreeSize, 125 FomulaSimplifications, 10 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 256 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1400 NumberOfCodeBlocks, 1400 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1513 ConstructedInterpolants, 0 QuantifiedInterpolants, 2740 SizeOfPredicates, 15 NumberOfNonLiveVariables, 6184 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 3111/3185 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 2 specifications checked. All of them hold - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: (\result + 1 <= 0 || ((i <= 0 && 0 <= i) && num <= 2)) || ((i <= 1 && 1 <= i) && num <= 2) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((i <= 0 && 0 <= i) && num <= 2) || ((i <= 1 && 1 <= i) && num <= 2)) || 3 <= \result - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: (((num <= 2 && i < 2147483646) && 2 <= i) || ((i <= 0 && 0 <= i) && num <= 2)) || ((i <= 1 && 1 <= i) && num <= 2) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: ((i <= 0 && 0 <= i) && num <= 2) || ((i <= 1 && 1 <= i) && num <= 2) RESULT: Ultimate proved your program to be correct! [2022-11-20 10:39:48,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba06903-f44c-4780-9936-40dccbd8966e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE