./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 232b8770d72be0c69bb3b6e33b82b59b612dcbb47eb932e66c113d1f5f5b981f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 14:10:17,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:10:17,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:10:17,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:10:17,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:10:17,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:10:17,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:10:17,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:10:17,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:10:17,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:10:17,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:10:17,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:10:17,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:10:17,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:10:17,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:10:17,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:10:17,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:10:17,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:10:17,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:10:17,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:10:17,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:10:17,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:10:17,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:10:17,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:10:17,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:10:17,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:10:17,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:10:17,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:10:17,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:10:17,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:10:17,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:10:17,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:10:17,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:10:17,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:10:17,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:10:17,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:10:17,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:10:17,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:10:17,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:10:17,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:10:17,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:10:17,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 14:10:17,670 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:10:17,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:10:17,670 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:10:17,671 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:10:17,671 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:10:17,671 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:10:17,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:10:17,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:10:17,672 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:10:17,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:10:17,672 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:10:17,672 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:10:17,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:10:17,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:10:17,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:10:17,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:10:17,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:10:17,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:10:17,673 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 14:10:17,673 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:10:17,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:10:17,673 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:10:17,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:10:17,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:10:17,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:10:17,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:10:17,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:10:17,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:10:17,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:10:17,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:10:17,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:10:17,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:10:17,674 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:10:17,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:10:17,674 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:10:17,674 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:10:17,674 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:10:17,675 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 232b8770d72be0c69bb3b6e33b82b59b612dcbb47eb932e66c113d1f5f5b981f [2022-12-13 14:10:17,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:10:17,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:10:17,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:10:17,864 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:10:17,864 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:10:17,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-2.i [2022-12-13 14:10:20,400 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:10:20,572 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:10:20,573 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-2.i [2022-12-13 14:10:20,581 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/data/a6ecdd60e/2c99234c124f47d0985a0945f259872a/FLAGeca768ba7 [2022-12-13 14:10:20,993 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/data/a6ecdd60e/2c99234c124f47d0985a0945f259872a [2022-12-13 14:10:20,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:10:20,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:10:21,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:10:21,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:10:21,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:10:21,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:10:20" (1/1) ... [2022-12-13 14:10:21,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba32dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:10:21, skipping insertion in model container [2022-12-13 14:10:21,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:10:20" (1/1) ... [2022-12-13 14:10:21,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:10:21,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:10:21,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:10:21,217 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:10:21,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:10:21,265 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:10:21,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:10:21 WrapperNode [2022-12-13 14:10:21,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:10:21,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:10:21,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:10:21,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:10:21,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:10:21" (1/1) ... [2022-12-13 14:10:21,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:10:21" (1/1) ... [2022-12-13 14:10:21,295 INFO L138 Inliner]: procedures = 126, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2022-12-13 14:10:21,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:10:21,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:10:21,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:10:21,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:10:21,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:10:21" (1/1) ... [2022-12-13 14:10:21,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:10:21" (1/1) ... [2022-12-13 14:10:21,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:10:21" (1/1) ... [2022-12-13 14:10:21,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:10:21" (1/1) ... [2022-12-13 14:10:21,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:10:21" (1/1) ... [2022-12-13 14:10:21,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:10:21" (1/1) ... [2022-12-13 14:10:21,318 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:10:21" (1/1) ... [2022-12-13 14:10:21,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:10:21" (1/1) ... [2022-12-13 14:10:21,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:10:21,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:10:21,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:10:21,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:10:21,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:10:21" (1/1) ... [2022-12-13 14:10:21,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:10:21,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:10:21,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:10:21,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:10:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 14:10:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:10:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 14:10:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure create_data [2022-12-13 14:10:21,383 INFO L138 BoogieDeclarations]: Found implementation of procedure create_data [2022-12-13 14:10:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:10:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:10:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 14:10:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 14:10:21,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:10:21,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 14:10:21,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:10:21,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:10:21,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:10:21,471 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:10:21,473 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:10:21,750 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:10:21,755 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:10:21,755 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 14:10:21,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:10:21 BoogieIcfgContainer [2022-12-13 14:10:21,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:10:21,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:10:21,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:10:21,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:10:21,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:10:20" (1/3) ... [2022-12-13 14:10:21,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10eef51f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:10:21, skipping insertion in model container [2022-12-13 14:10:21,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:10:21" (2/3) ... [2022-12-13 14:10:21,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10eef51f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:10:21, skipping insertion in model container [2022-12-13 14:10:21,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:10:21" (3/3) ... [2022-12-13 14:10:21,764 INFO L112 eAbstractionObserver]: Analyzing ICFG complex_data_creation_test01-2.i [2022-12-13 14:10:21,778 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:10:21,778 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-13 14:10:21,815 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:10:21,820 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;@6736c9ca, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:10:21,820 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-13 14:10:21,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 40 states have (on average 1.55) internal successors, (62), 46 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 14:10:21,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 14:10:21,843 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:10:21,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:10:21,844 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:10:21,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:10:21,850 INFO L85 PathProgramCache]: Analyzing trace with hash 203654283, now seen corresponding path program 1 times [2022-12-13 14:10:21,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:10:21,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788673106] [2022-12-13 14:10:21,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:21,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:10:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:22,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:10:22,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:10:22,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788673106] [2022-12-13 14:10:22,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788673106] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:10:22,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:10:22,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:10:22,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104019600] [2022-12-13 14:10:22,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:10:22,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:10:22,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:10:22,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:10:22,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:10:22,206 INFO L87 Difference]: Start difference. First operand has 50 states, 40 states have (on average 1.55) internal successors, (62), 46 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:22,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:10:22,264 INFO L93 Difference]: Finished difference Result 102 states and 140 transitions. [2022-12-13 14:10:22,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:10:22,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-13 14:10:22,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:10:22,275 INFO L225 Difference]: With dead ends: 102 [2022-12-13 14:10:22,275 INFO L226 Difference]: Without dead ends: 47 [2022-12-13 14:10:22,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:10:22,282 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 3 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:10:22,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 171 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:10:22,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-12-13 14:10:22,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-12-13 14:10:22,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 43 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 14:10:22,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2022-12-13 14:10:22,314 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 11 [2022-12-13 14:10:22,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:10:22,314 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2022-12-13 14:10:22,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:22,315 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2022-12-13 14:10:22,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 14:10:22,316 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:10:22,316 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:10:22,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:10:22,317 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:10:22,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:10:22,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1904112249, now seen corresponding path program 1 times [2022-12-13 14:10:22,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:10:22,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728575067] [2022-12-13 14:10:22,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:22,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:10:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:22,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 14:10:22,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:10:22,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728575067] [2022-12-13 14:10:22,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728575067] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:10:22,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:10:22,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:10:22,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23668702] [2022-12-13 14:10:22,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:10:22,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:10:22,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:10:22,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:10:22,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:10:22,456 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:22,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:10:22,494 INFO L93 Difference]: Finished difference Result 125 states and 156 transitions. [2022-12-13 14:10:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:10:22,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-12-13 14:10:22,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:10:22,496 INFO L225 Difference]: With dead ends: 125 [2022-12-13 14:10:22,496 INFO L226 Difference]: Without dead ends: 80 [2022-12-13 14:10:22,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:10:22,498 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 33 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:10:22,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 150 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:10:22,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-12-13 14:10:22,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 74. [2022-12-13 14:10:22,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 64 states have (on average 1.421875) internal successors, (91), 69 states have internal predecessors, (91), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 14:10:22,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2022-12-13 14:10:22,508 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 15 [2022-12-13 14:10:22,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:10:22,508 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2022-12-13 14:10:22,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:22,508 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2022-12-13 14:10:22,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 14:10:22,509 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:10:22,509 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:10:22,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:10:22,510 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:10:22,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:10:22,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1224053879, now seen corresponding path program 1 times [2022-12-13 14:10:22,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:10:22,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20428110] [2022-12-13 14:10:22,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:22,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:10:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:22,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:10:22,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:10:22,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20428110] [2022-12-13 14:10:22,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20428110] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:10:22,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671818932] [2022-12-13 14:10:22,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:22,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:10:22,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:10:22,617 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:10:22,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 14:10:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:22,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 14:10:22,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:10:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:10:22,754 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:10:22,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671818932] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:10:22,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:10:22,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-13 14:10:22,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070330298] [2022-12-13 14:10:22,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:10:22,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:10:22,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:10:22,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:10:22,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:10:22,756 INFO L87 Difference]: Start difference. First operand 74 states and 95 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:22,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:10:22,792 INFO L93 Difference]: Finished difference Result 76 states and 97 transitions. [2022-12-13 14:10:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 14:10:22,792 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-12-13 14:10:22,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:10:22,794 INFO L225 Difference]: With dead ends: 76 [2022-12-13 14:10:22,794 INFO L226 Difference]: Without dead ends: 75 [2022-12-13 14:10:22,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-13 14:10:22,795 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 31 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:10:22,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 150 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:10:22,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-12-13 14:10:22,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2022-12-13 14:10:22,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 64 states have (on average 1.390625) internal successors, (89), 68 states have internal predecessors, (89), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 14:10:22,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2022-12-13 14:10:22,800 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 15 [2022-12-13 14:10:22,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:10:22,801 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2022-12-13 14:10:22,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:22,801 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2022-12-13 14:10:22,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 14:10:22,801 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:10:22,801 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:10:22,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:10:23,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:10:23,004 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:10:23,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:10:23,006 INFO L85 PathProgramCache]: Analyzing trace with hash 709035469, now seen corresponding path program 1 times [2022-12-13 14:10:23,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:10:23,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143442485] [2022-12-13 14:10:23,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:23,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:10:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:23,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:10:23,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:10:23,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143442485] [2022-12-13 14:10:23,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143442485] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:10:23,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:10:23,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:10:23,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818408190] [2022-12-13 14:10:23,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:10:23,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:10:23,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:10:23,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:10:23,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:10:23,167 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:23,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:10:23,189 INFO L93 Difference]: Finished difference Result 73 states and 93 transitions. [2022-12-13 14:10:23,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:10:23,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-12-13 14:10:23,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:10:23,191 INFO L225 Difference]: With dead ends: 73 [2022-12-13 14:10:23,191 INFO L226 Difference]: Without dead ends: 72 [2022-12-13 14:10:23,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:10:23,192 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 2 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:10:23,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 142 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:10:23,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-12-13 14:10:23,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 66. [2022-12-13 14:10:23,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 58 states have (on average 1.396551724137931) internal successors, (81), 61 states have internal predecessors, (81), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 14:10:23,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2022-12-13 14:10:23,199 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 85 transitions. Word has length 16 [2022-12-13 14:10:23,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:10:23,199 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 85 transitions. [2022-12-13 14:10:23,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:23,200 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2022-12-13 14:10:23,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-13 14:10:23,200 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:10:23,200 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:10:23,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:10:23,201 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:10:23,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:10:23,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1920979299, now seen corresponding path program 1 times [2022-12-13 14:10:23,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:10:23,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978203418] [2022-12-13 14:10:23,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:23,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:10:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:23,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:10:23,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:10:23,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978203418] [2022-12-13 14:10:23,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978203418] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:10:23,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042195969] [2022-12-13 14:10:23,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:23,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:10:23,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:10:23,280 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:10:23,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 14:10:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:23,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 14:10:23,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:10:23,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:10:23,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:10:23,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:10:23,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042195969] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:10:23,412 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:10:23,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-12-13 14:10:23,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418770292] [2022-12-13 14:10:23,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:10:23,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 14:10:23,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:10:23,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 14:10:23,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-13 14:10:23,413 INFO L87 Difference]: Start difference. First operand 66 states and 85 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:23,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:10:23,449 INFO L93 Difference]: Finished difference Result 146 states and 190 transitions. [2022-12-13 14:10:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:10:23,450 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-12-13 14:10:23,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:10:23,451 INFO L225 Difference]: With dead ends: 146 [2022-12-13 14:10:23,451 INFO L226 Difference]: Without dead ends: 82 [2022-12-13 14:10:23,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-12-13 14:10:23,452 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 16 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:10:23,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 189 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:10:23,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-12-13 14:10:23,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-12-13 14:10:23,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 74 states have (on average 1.3108108108108107) internal successors, (97), 77 states have internal predecessors, (97), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 14:10:23,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 101 transitions. [2022-12-13 14:10:23,457 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 101 transitions. Word has length 20 [2022-12-13 14:10:23,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:10:23,457 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 101 transitions. [2022-12-13 14:10:23,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:23,458 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 101 transitions. [2022-12-13 14:10:23,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-13 14:10:23,459 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:10:23,459 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:10:23,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 14:10:23,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:10:23,661 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:10:23,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:10:23,662 INFO L85 PathProgramCache]: Analyzing trace with hash -318254171, now seen corresponding path program 2 times [2022-12-13 14:10:23,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:10:23,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373479067] [2022-12-13 14:10:23,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:23,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:10:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:23,878 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:10:23,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:10:23,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373479067] [2022-12-13 14:10:23,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373479067] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:10:23,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350020172] [2022-12-13 14:10:23,878 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 14:10:23,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:10:23,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:10:23,880 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:10:23,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 14:10:23,966 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 14:10:23,966 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:10:23,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 14:10:23,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:10:24,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 14:10:24,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-13 14:10:24,039 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 14:10:24,039 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:10:24,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350020172] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:10:24,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:10:24,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2022-12-13 14:10:24,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194536694] [2022-12-13 14:10:24,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:10:24,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:10:24,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:10:24,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:10:24,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-13 14:10:24,041 INFO L87 Difference]: Start difference. First operand 82 states and 101 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:24,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:10:24,118 INFO L93 Difference]: Finished difference Result 108 states and 137 transitions. [2022-12-13 14:10:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:10:24,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-12-13 14:10:24,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:10:24,119 INFO L225 Difference]: With dead ends: 108 [2022-12-13 14:10:24,119 INFO L226 Difference]: Without dead ends: 107 [2022-12-13 14:10:24,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-13 14:10:24,120 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 11 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:10:24,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 122 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:10:24,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-12-13 14:10:24,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 94. [2022-12-13 14:10:24,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 86 states have (on average 1.3372093023255813) internal successors, (115), 89 states have internal predecessors, (115), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 14:10:24,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 119 transitions. [2022-12-13 14:10:24,126 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 119 transitions. Word has length 28 [2022-12-13 14:10:24,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:10:24,126 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 119 transitions. [2022-12-13 14:10:24,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:24,126 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 119 transitions. [2022-12-13 14:10:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-13 14:10:24,127 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:10:24,127 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:10:24,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 14:10:24,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:10:24,329 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting create_dataErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:10:24,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:10:24,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1275944624, now seen corresponding path program 1 times [2022-12-13 14:10:24,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:10:24,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147355935] [2022-12-13 14:10:24,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:24,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:10:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:24,535 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:10:24,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:10:24,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147355935] [2022-12-13 14:10:24,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147355935] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:10:24,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566478093] [2022-12-13 14:10:24,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:24,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:10:24,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:10:24,537 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:10:24,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 14:10:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:24,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 14:10:24,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:10:24,661 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:10:24,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:10:24,737 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:10:24,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566478093] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:10:24,738 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:10:24,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-12-13 14:10:24,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689239191] [2022-12-13 14:10:24,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:10:24,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 14:10:24,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:10:24,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 14:10:24,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-12-13 14:10:24,740 INFO L87 Difference]: Start difference. First operand 94 states and 119 transitions. Second operand has 18 states, 18 states have (on average 2.611111111111111) internal successors, (47), 18 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:24,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:10:24,828 INFO L93 Difference]: Finished difference Result 218 states and 278 transitions. [2022-12-13 14:10:24,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 14:10:24,829 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.611111111111111) internal successors, (47), 18 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-12-13 14:10:24,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:10:24,829 INFO L225 Difference]: With dead ends: 218 [2022-12-13 14:10:24,829 INFO L226 Difference]: Without dead ends: 126 [2022-12-13 14:10:24,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2022-12-13 14:10:24,831 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 28 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:10:24,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 237 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:10:24,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-12-13 14:10:24,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2022-12-13 14:10:24,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 118 states have (on average 1.2457627118644068) internal successors, (147), 121 states have internal predecessors, (147), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 14:10:24,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 151 transitions. [2022-12-13 14:10:24,837 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 151 transitions. Word has length 29 [2022-12-13 14:10:24,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:10:24,837 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 151 transitions. [2022-12-13 14:10:24,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.611111111111111) internal successors, (47), 18 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:24,838 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 151 transitions. [2022-12-13 14:10:24,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 14:10:24,838 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:10:24,838 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:10:24,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 14:10:25,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:10:25,040 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting create_dataErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:10:25,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:10:25,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1088016064, now seen corresponding path program 2 times [2022-12-13 14:10:25,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:10:25,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318112418] [2022-12-13 14:10:25,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:25,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:10:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:25,366 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:10:25,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:10:25,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318112418] [2022-12-13 14:10:25,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318112418] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:10:25,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816417456] [2022-12-13 14:10:25,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 14:10:25,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:10:25,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:10:25,368 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:10:25,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 14:10:25,453 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 14:10:25,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:10:25,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 14:10:25,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:10:25,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 14:10:25,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-13 14:10:25,499 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-13 14:10:25,499 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:10:25,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816417456] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:10:25,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:10:25,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 19 [2022-12-13 14:10:25,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883301553] [2022-12-13 14:10:25,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:10:25,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:10:25,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:10:25,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:10:25,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2022-12-13 14:10:25,501 INFO L87 Difference]: Start difference. First operand 126 states and 151 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:25,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:10:25,581 INFO L93 Difference]: Finished difference Result 139 states and 167 transitions. [2022-12-13 14:10:25,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:10:25,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-12-13 14:10:25,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:10:25,583 INFO L225 Difference]: With dead ends: 139 [2022-12-13 14:10:25,583 INFO L226 Difference]: Without dead ends: 138 [2022-12-13 14:10:25,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2022-12-13 14:10:25,584 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 8 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:10:25,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 123 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:10:25,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-12-13 14:10:25,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 128. [2022-12-13 14:10:25,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 120 states have (on average 1.2416666666666667) internal successors, (149), 123 states have internal predecessors, (149), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 14:10:25,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 153 transitions. [2022-12-13 14:10:25,590 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 153 transitions. Word has length 45 [2022-12-13 14:10:25,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:10:25,591 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 153 transitions. [2022-12-13 14:10:25,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:25,591 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 153 transitions. [2022-12-13 14:10:25,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-13 14:10:25,592 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:10:25,592 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:10:25,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 14:10:25,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:10:25,792 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting create_dataErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:10:25,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:10:25,793 INFO L85 PathProgramCache]: Analyzing trace with hash 631186879, now seen corresponding path program 1 times [2022-12-13 14:10:25,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:10:25,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946097647] [2022-12-13 14:10:25,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:25,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:10:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:26,055 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:10:26,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:10:26,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946097647] [2022-12-13 14:10:26,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946097647] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:10:26,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752203815] [2022-12-13 14:10:26,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:26,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:10:26,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:10:26,056 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:10:26,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 14:10:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:26,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 14:10:26,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:10:26,238 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:10:26,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:10:26,428 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:10:26,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752203815] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:10:26,429 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:10:26,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2022-12-13 14:10:26,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376294915] [2022-12-13 14:10:26,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:10:26,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-12-13 14:10:26,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:10:26,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-12-13 14:10:26,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 14:10:26,431 INFO L87 Difference]: Start difference. First operand 128 states and 153 transitions. Second operand has 34 states, 34 states have (on average 2.3529411764705883) internal successors, (80), 34 states have internal predecessors, (80), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:26,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:10:26,620 INFO L93 Difference]: Finished difference Result 318 states and 386 transitions. [2022-12-13 14:10:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 14:10:26,620 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.3529411764705883) internal successors, (80), 34 states have internal predecessors, (80), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2022-12-13 14:10:26,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:10:26,622 INFO L225 Difference]: With dead ends: 318 [2022-12-13 14:10:26,622 INFO L226 Difference]: Without dead ends: 192 [2022-12-13 14:10:26,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=659, Invalid=1597, Unknown=0, NotChecked=0, Total=2256 [2022-12-13 14:10:26,624 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 62 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:10:26,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 471 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:10:26,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-12-13 14:10:26,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2022-12-13 14:10:26,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 184 states have (on average 1.1576086956521738) internal successors, (213), 187 states have internal predecessors, (213), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 14:10:26,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 217 transitions. [2022-12-13 14:10:26,631 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 217 transitions. Word has length 46 [2022-12-13 14:10:26,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:10:26,631 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 217 transitions. [2022-12-13 14:10:26,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.3529411764705883) internal successors, (80), 34 states have internal predecessors, (80), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:26,631 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 217 transitions. [2022-12-13 14:10:26,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-13 14:10:26,634 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:10:26,635 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:10:26,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 14:10:26,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-12-13 14:10:26,837 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting create_dataErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:10:26,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:10:26,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1067343393, now seen corresponding path program 2 times [2022-12-13 14:10:26,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:10:26,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312299469] [2022-12-13 14:10:26,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:26,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:10:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:10:27,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:10:27,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312299469] [2022-12-13 14:10:27,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312299469] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:10:27,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55841127] [2022-12-13 14:10:27,500 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 14:10:27,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:10:27,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:10:27,501 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:10:27,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 14:10:27,596 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 14:10:27,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:10:27,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 14:10:27,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:10:27,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 14:10:27,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:10:27,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-13 14:10:27,739 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-12-13 14:10:27,740 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:10:27,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55841127] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:10:27,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:10:27,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [33] total 36 [2022-12-13 14:10:27,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279991460] [2022-12-13 14:10:27,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:10:27,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:10:27,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:10:27,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:10:27,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=965, Unknown=0, NotChecked=0, Total=1260 [2022-12-13 14:10:27,742 INFO L87 Difference]: Start difference. First operand 192 states and 217 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:27,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:10:27,912 INFO L93 Difference]: Finished difference Result 210 states and 239 transitions. [2022-12-13 14:10:27,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 14:10:27,913 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-12-13 14:10:27,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:10:27,914 INFO L225 Difference]: With dead ends: 210 [2022-12-13 14:10:27,914 INFO L226 Difference]: Without dead ends: 209 [2022-12-13 14:10:27,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=305, Invalid=1101, Unknown=0, NotChecked=0, Total=1406 [2022-12-13 14:10:27,915 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 33 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:10:27,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 143 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:10:27,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2022-12-13 14:10:27,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 198. [2022-12-13 14:10:27,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 190 states have (on average 1.1631578947368422) internal successors, (221), 193 states have internal predecessors, (221), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 14:10:27,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 225 transitions. [2022-12-13 14:10:27,926 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 225 transitions. Word has length 78 [2022-12-13 14:10:27,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:10:27,927 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 225 transitions. [2022-12-13 14:10:27,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:27,927 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 225 transitions. [2022-12-13 14:10:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-13 14:10:27,928 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:10:27,928 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:10:27,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 14:10:28,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 14:10:28,130 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting create_dataErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:10:28,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:10:28,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1272093281, now seen corresponding path program 1 times [2022-12-13 14:10:28,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:10:28,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488512154] [2022-12-13 14:10:28,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:28,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:10:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:28,835 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:10:28,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:10:28,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488512154] [2022-12-13 14:10:28,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488512154] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:10:28,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294173349] [2022-12-13 14:10:28,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:28,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:10:28,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:10:28,837 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:10:28,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 14:10:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:28,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-13 14:10:28,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:10:29,046 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:10:29,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:10:29,405 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:10:29,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294173349] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:10:29,405 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:10:29,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 43 [2022-12-13 14:10:29,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152239160] [2022-12-13 14:10:29,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:10:29,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-12-13 14:10:29,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:10:29,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-12-13 14:10:29,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=1323, Unknown=0, NotChecked=0, Total=1806 [2022-12-13 14:10:29,407 INFO L87 Difference]: Start difference. First operand 198 states and 225 transitions. Second operand has 43 states, 43 states have (on average 2.3488372093023258) internal successors, (101), 43 states have internal predecessors, (101), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:29,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:10:29,681 INFO L93 Difference]: Finished difference Result 434 states and 500 transitions. [2022-12-13 14:10:29,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 14:10:29,681 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 2.3488372093023258) internal successors, (101), 43 states have internal predecessors, (101), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-12-13 14:10:29,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:10:29,682 INFO L225 Difference]: With dead ends: 434 [2022-12-13 14:10:29,682 INFO L226 Difference]: Without dead ends: 238 [2022-12-13 14:10:29,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 125 SyntacticMatches, 23 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1407 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1093, Invalid=2689, Unknown=0, NotChecked=0, Total=3782 [2022-12-13 14:10:29,683 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 85 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:10:29,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 565 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:10:29,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2022-12-13 14:10:29,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2022-12-13 14:10:29,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 230 states have (on average 1.1347826086956523) internal successors, (261), 233 states have internal predecessors, (261), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 14:10:29,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 265 transitions. [2022-12-13 14:10:29,689 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 265 transitions. Word has length 79 [2022-12-13 14:10:29,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:10:29,690 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 265 transitions. [2022-12-13 14:10:29,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.3488372093023258) internal successors, (101), 43 states have internal predecessors, (101), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:29,690 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 265 transitions. [2022-12-13 14:10:29,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-13 14:10:29,691 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:10:29,691 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:10:29,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 14:10:29,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:10:29,893 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting create_dataErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:10:29,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:10:29,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1390587827, now seen corresponding path program 2 times [2022-12-13 14:10:29,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:10:29,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42683752] [2022-12-13 14:10:29,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:29,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:10:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2022-12-13 14:10:30,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:10:30,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42683752] [2022-12-13 14:10:30,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42683752] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:10:30,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:10:30,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:10:30,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382800788] [2022-12-13 14:10:30,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:10:30,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:10:30,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:10:30,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:10:30,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:10:30,532 INFO L87 Difference]: Start difference. First operand 238 states and 265 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:30,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:10:30,620 INFO L93 Difference]: Finished difference Result 249 states and 277 transitions. [2022-12-13 14:10:30,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:10:30,620 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-12-13 14:10:30,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:10:30,622 INFO L225 Difference]: With dead ends: 249 [2022-12-13 14:10:30,622 INFO L226 Difference]: Without dead ends: 248 [2022-12-13 14:10:30,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:10:30,623 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 37 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:10:30,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 122 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:10:30,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-12-13 14:10:30,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 240. [2022-12-13 14:10:30,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 232 states have (on average 1.1336206896551724) internal successors, (263), 235 states have internal predecessors, (263), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 14:10:30,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 267 transitions. [2022-12-13 14:10:30,634 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 267 transitions. Word has length 99 [2022-12-13 14:10:30,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:10:30,634 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 267 transitions. [2022-12-13 14:10:30,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:10:30,634 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 267 transitions. [2022-12-13 14:10:30,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-13 14:10:30,635 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:10:30,635 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:10:30,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 14:10:30,636 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:10:30,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:10:30,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1388086676, now seen corresponding path program 1 times [2022-12-13 14:10:30,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:10:30,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821745359] [2022-12-13 14:10:30,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:30,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:10:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:10:30,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:10:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:10:30,818 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:10:30,818 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 14:10:30,819 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location create_dataErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-12-13 14:10:30,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location create_dataErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-12-13 14:10:30,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location create_dataErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-12-13 14:10:30,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location create_dataErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-12-13 14:10:30,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location create_dataErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-12-13 14:10:30,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location create_dataErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-12-13 14:10:30,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 14:10:30,823 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-12-13 14:10:30,826 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:10:30,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:10:30 BoogieIcfgContainer [2022-12-13 14:10:30,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:10:30,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:10:30,858 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:10:30,858 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:10:30,858 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:10:21" (3/4) ... [2022-12-13 14:10:30,859 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 14:10:30,892 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:10:30,892 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:10:30,892 INFO L158 Benchmark]: Toolchain (without parser) took 9893.52ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 102.2MB in the beginning and 123.9MB in the end (delta: -21.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-12-13 14:10:30,892 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 138.4MB. Free memory was 113.5MB in the beginning and 113.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:10:30,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.90ms. Allocated memory is still 138.4MB. Free memory was 101.7MB in the beginning and 84.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 14:10:30,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.69ms. Allocated memory is still 138.4MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:10:30,893 INFO L158 Benchmark]: Boogie Preprocessor took 24.64ms. Allocated memory is still 138.4MB. Free memory was 82.4MB in the beginning and 80.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:10:30,893 INFO L158 Benchmark]: RCFGBuilder took 435.64ms. Allocated memory is still 138.4MB. Free memory was 80.3MB in the beginning and 59.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 14:10:30,893 INFO L158 Benchmark]: TraceAbstraction took 9098.66ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 58.9MB in the beginning and 129.2MB in the end (delta: -70.3MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2022-12-13 14:10:30,893 INFO L158 Benchmark]: Witness Printer took 34.22ms. Allocated memory is still 167.8MB. Free memory was 129.2MB in the beginning and 123.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:10:30,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 138.4MB. Free memory was 113.5MB in the beginning and 113.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.90ms. Allocated memory is still 138.4MB. Free memory was 101.7MB in the beginning and 84.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.69ms. Allocated memory is still 138.4MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.64ms. Allocated memory is still 138.4MB. Free memory was 82.4MB in the beginning and 80.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 435.64ms. Allocated memory is still 138.4MB. Free memory was 80.3MB in the beginning and 59.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 9098.66ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 58.9MB in the beginning and 129.2MB in the end (delta: -70.3MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. * Witness Printer took 34.22ms. Allocated memory is still 167.8MB. Free memory was 129.2MB in the beginning and 123.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 564]: integer overflow possible integer overflow possible We found a FailurePath: [L597] struct node_t *list = ((void *)0); [L598] int dataNotFinished = 0; VAL [dataNotFinished=0, list={3:0}] [L600] CALL append(&list) [L587] struct node_t *node = malloc(sizeof *node); [L588] EXPR \read(**pointerToList) [L588] node->next = *pointerToList [L589] EXPR \read(**pointerToList) VAL [\read(**pointerToList)={0:0}, node={-2:0}, pointerToList={3:0}, pointerToList={3:0}] [L589] COND TRUE *pointerToList == ((void *)0) [L590] CALL create_data(((void *)0)) VAL [prevData={0:0}] [L552] prevData != ((void *)0) && prevData->hasNextPartReference VAL [prevData={0:0}, prevData={0:0}, prevData != ((void *)0) && prevData->hasNextPartReference=0] [L552] COND FALSE !(prevData != ((void *)0) && prevData->hasNextPartReference) [L555] Data data = malloc(sizeof *data); [L556] data->array = (int*) malloc(20 * sizeof(data->array)) [L557] int counter = 0; [L558] counter = 0 VAL [counter=0, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=1, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=2, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=3, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=4, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=5, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=6, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=7, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=8, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=9, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=10, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=11, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=12, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=13, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=14, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=15, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=16, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=17, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=18, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=19, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND TRUE counter < 20 [L559] EXPR data->array [L559] data->array[counter] = __VERIFIER_nondet_int() [L558] counter++ VAL [counter=20, data={-4:0}, prevData={0:0}, prevData={0:0}] [L558] COND FALSE !(counter < 20) VAL [counter=20, data={-4:0}, prevData={0:0}, prevData={0:0}] [L561] data->number = 0 [L562] int userInput = __VERIFIER_nondet_int(); [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 [L563] EXPR data->number [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 VAL [__VERIFIER_nondet_int()=-16, __VERIFIER_nondet_int() && data->number < 200=1, counter=20, data={-4:0}, data->number=0, prevData={0:0}, prevData={0:0}, userInput=0] [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 [L563] EXPR data->number [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 VAL [__VERIFIER_nondet_int()=-16, __VERIFIER_nondet_int() && data->number < 200=1, __VERIFIER_nondet_int() && data->number < 200 && data->number > -200=1, counter=20, data={-4:0}, data->number=0, data->number=0, prevData={0:0}, prevData={0:0}, userInput=0] [L563] COND TRUE __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 && userInput < 200 && userInput > -200 [L564] EXPR data->number [L564] EXPR data->number + __VERIFIER_nondet_int() [L564] data->number = data->number + __VERIFIER_nondet_int() [L565] userInput = __VERIFIER_nondet_int() [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 [L563] EXPR data->number [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 VAL [__VERIFIER_nondet_int()=17, __VERIFIER_nondet_int() && data->number < 200=1, counter=20, data={-4:0}, data->number=-1, prevData={0:0}, prevData={0:0}, userInput=0] [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 [L563] EXPR data->number [L563] EXPR __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 VAL [__VERIFIER_nondet_int()=17, __VERIFIER_nondet_int() && data->number < 200=1, __VERIFIER_nondet_int() && data->number < 200 && data->number > -200=1, counter=20, data={-4:0}, data->number=-1, data->number=-1, prevData={0:0}, prevData={0:0}, userInput=0] [L563] COND TRUE __VERIFIER_nondet_int() && data->number < 200 && data->number > -200 && userInput < 200 && userInput > -200 [L564] EXPR data->number [L564] data->number + __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=-2147483648, counter=20, data={-4:0}, data->number=-1, prevData={0:0}, prevData={0:0}, userInput=0] - UnprovableResult [Line: 558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 564]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 13, TraceHistogramMax: 20, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 349 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 349 mSDsluCounter, 2585 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2011 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 530 IncrementalHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 574 mSDtfsCounter, 530 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 695 GetRequests, 449 SyntacticMatches, 23 SemanticMatches, 223 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2393 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=12, InterpolantAutomatonStates: 132, 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, 12 MinimizatonAttempts, 56 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 924 NumberOfCodeBlocks, 824 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 971 ConstructedInterpolants, 0 QuantifiedInterpolants, 2564 SizeOfPredicates, 39 NumberOfNonLiveVariables, 2004 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 24 InterpolantComputations, 8 PerfectInterpolantSequences, 1331/3501 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 RESULT: Ultimate proved your program to be incorrect! [2022-12-13 14:10:30,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_517bc481-99a9-4367-b2fc-6b2118a7c96e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)