./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro --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 1df58a12292e53aa25870e709e17978d63a0e61d4dd56fb439981d66ecb6b925 --- 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-8393723 [2022-11-18 19:52:43,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:52:43,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:52:44,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:52:44,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:52:44,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:52:44,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:52:44,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:52:44,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:52:44,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:52:44,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:52:44,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:52:44,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:52:44,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:52:44,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:52:44,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:52:44,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:52:44,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:52:44,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:52:44,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:52:44,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:52:44,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:52:44,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:52:44,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:52:44,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:52:44,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:52:44,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:52:44,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:52:44,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:52:44,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:52:44,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:52:44,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:52:44,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:52:44,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:52:44,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:52:44,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:52:44,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:52:44,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:52:44,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:52:44,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:52:44,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:52:44,058 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 19:52:44,101 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:52:44,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:52:44,104 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:52:44,104 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:52:44,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:52:44,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:52:44,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:52:44,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:52:44,106 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:52:44,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:52:44,107 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:52:44,108 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:52:44,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:52:44,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:52:44,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:52:44,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:52:44,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:52:44,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:52:44,109 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 19:52:44,109 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:52:44,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:52:44,110 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:52:44,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:52:44,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:52:44,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:52:44,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:52:44,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:52:44,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:52:44,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:52:44,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:52:44,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:52:44,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:52:44,114 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:52:44,114 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:52:44,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:52:44,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1df58a12292e53aa25870e709e17978d63a0e61d4dd56fb439981d66ecb6b925 [2022-11-18 19:52:44,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:52:44,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:52:44,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:52:44,413 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:52:44,414 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:52:44,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.i [2022-11-18 19:52:44,515 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/data/c3954af75/1b681238ccd042878b85fb3e52556de7/FLAG98cddeee8 [2022-11-18 19:52:45,138 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:52:45,139 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.i [2022-11-18 19:52:45,157 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/data/c3954af75/1b681238ccd042878b85fb3e52556de7/FLAG98cddeee8 [2022-11-18 19:52:45,398 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/data/c3954af75/1b681238ccd042878b85fb3e52556de7 [2022-11-18 19:52:45,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:52:45,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:52:45,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:52:45,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:52:45,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:52:45,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:52:45" (1/1) ... [2022-11-18 19:52:45,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3294c40e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:45, skipping insertion in model container [2022-11-18 19:52:45,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:52:45" (1/1) ... [2022-11-18 19:52:45,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:52:45,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:52:45,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:52:45,882 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:52:45,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:52:45,966 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:52:45,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:45 WrapperNode [2022-11-18 19:52:45,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:52:45,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:52:45,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:52:45,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:52:45,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:45" (1/1) ... [2022-11-18 19:52:46,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:45" (1/1) ... [2022-11-18 19:52:46,045 INFO L138 Inliner]: procedures = 164, calls = 70, calls flagged for inlining = 21, calls inlined = 3, statements flattened = 32 [2022-11-18 19:52:46,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:52:46,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:52:46,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:52:46,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:52:46,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:45" (1/1) ... [2022-11-18 19:52:46,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:45" (1/1) ... [2022-11-18 19:52:46,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:45" (1/1) ... [2022-11-18 19:52:46,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:45" (1/1) ... [2022-11-18 19:52:46,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:45" (1/1) ... [2022-11-18 19:52:46,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:45" (1/1) ... [2022-11-18 19:52:46,082 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:45" (1/1) ... [2022-11-18 19:52:46,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:45" (1/1) ... [2022-11-18 19:52:46,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:52:46,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:52:46,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:52:46,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:52:46,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:45" (1/1) ... [2022-11-18 19:52:46,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:52:46,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:46,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:52:46,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:52:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 19:52:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 19:52:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:52:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:52:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:52:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:52:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:52:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:52:46,325 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:52:46,327 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:52:46,504 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:52:46,510 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:52:46,510 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 19:52:46,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:52:46 BoogieIcfgContainer [2022-11-18 19:52:46,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:52:46,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:52:46,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:52:46,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:52:46,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:52:45" (1/3) ... [2022-11-18 19:52:46,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54958b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:52:46, skipping insertion in model container [2022-11-18 19:52:46,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:45" (2/3) ... [2022-11-18 19:52:46,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54958b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:52:46, skipping insertion in model container [2022-11-18 19:52:46,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:52:46" (3/3) ... [2022-11-18 19:52:46,523 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test18_3.i [2022-11-18 19:52:46,546 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:52:46,546 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-18 19:52:46,630 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:52:46,642 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;@6767306c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:52:46,643 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-18 19:52:46,648 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.4) internal successors, (21), 17 states have internal predecessors, (21), 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) [2022-11-18 19:52:46,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-18 19:52:46,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:46,657 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:52:46,657 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-18 19:52:46,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:46,665 INFO L85 PathProgramCache]: Analyzing trace with hash 983048589, now seen corresponding path program 1 times [2022-11-18 19:52:46,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:46,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571909858] [2022-11-18 19:52:46,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:46,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:47,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:52:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:47,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:52:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:47,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 19:52:47,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:47,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571909858] [2022-11-18 19:52:47,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571909858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:52:47,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:52:47,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:52:47,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669797964] [2022-11-18 19:52:47,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:52:47,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:52:47,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:47,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:52:47,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:52:47,295 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.4) internal successors, (21), 17 states have internal predecessors, (21), 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 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-18 19:52:47,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:47,403 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2022-11-18 19:52:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:52:47,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) Word has length 18 [2022-11-18 19:52:47,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:47,417 INFO L225 Difference]: With dead ends: 39 [2022-11-18 19:52:47,417 INFO L226 Difference]: Without dead ends: 25 [2022-11-18 19:52:47,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:52:47,422 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 11 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:52:47,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 71 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:52:47,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-18 19:52:47,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2022-11-18 19:52:47,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-18 19:52:47,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2022-11-18 19:52:47,455 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 18 [2022-11-18 19:52:47,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:47,456 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-11-18 19:52:47,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-18 19:52:47,456 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-18 19:52:47,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-18 19:52:47,458 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:47,458 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:52:47,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:52:47,458 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-18 19:52:47,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:47,459 INFO L85 PathProgramCache]: Analyzing trace with hash -437060339, now seen corresponding path program 1 times [2022-11-18 19:52:47,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:47,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290499143] [2022-11-18 19:52:47,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:47,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:47,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:52:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:47,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:52:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:47,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:52:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:47,750 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 19:52:47,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:47,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290499143] [2022-11-18 19:52:47,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290499143] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:52:47,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889940437] [2022-11-18 19:52:47,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:47,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:52:47,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:47,762 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:52:47,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:52:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:47,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 19:52:47,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:52:48,032 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 19:52:48,032 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:52:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 19:52:48,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889940437] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:52:48,142 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:52:48,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2022-11-18 19:52:48,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390850627] [2022-11-18 19:52:48,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:52:48,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 19:52:48,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:48,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 19:52:48,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-11-18 19:52:48,151 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-18 19:52:48,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:48,349 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2022-11-18 19:52:48,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 19:52:48,350 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 28 [2022-11-18 19:52:48,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:48,352 INFO L225 Difference]: With dead ends: 47 [2022-11-18 19:52:48,352 INFO L226 Difference]: Without dead ends: 46 [2022-11-18 19:52:48,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2022-11-18 19:52:48,354 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 33 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:52:48,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 89 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:52:48,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-18 19:52:48,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 40. [2022-11-18 19:52:48,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 32 states have internal predecessors, (36), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-18 19:52:48,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2022-11-18 19:52:48,371 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 28 [2022-11-18 19:52:48,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:48,375 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2022-11-18 19:52:48,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-18 19:52:48,376 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2022-11-18 19:52:48,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-18 19:52:48,377 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:48,378 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:52:48,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:48,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:52:48,584 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-18 19:52:48,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:48,585 INFO L85 PathProgramCache]: Analyzing trace with hash -663968560, now seen corresponding path program 1 times [2022-11-18 19:52:48,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:48,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996661874] [2022-11-18 19:52:48,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:48,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:48,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:52:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:48,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:52:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:48,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:52:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:48,778 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 19:52:48,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:48,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996661874] [2022-11-18 19:52:48,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996661874] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:52:48,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870287047] [2022-11-18 19:52:48,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:48,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:52:48,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:48,781 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:52:48,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 19:52:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:48,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 19:52:48,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:52:48,941 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 19:52:48,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:52:48,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870287047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:52:48,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:52:48,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2022-11-18 19:52:48,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492228983] [2022-11-18 19:52:48,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:52:48,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:52:48,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:48,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:52:48,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:52:48,944 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-18 19:52:48,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:48,990 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2022-11-18 19:52:48,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:52:48,991 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 29 [2022-11-18 19:52:48,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:48,992 INFO L225 Difference]: With dead ends: 40 [2022-11-18 19:52:48,992 INFO L226 Difference]: Without dead ends: 39 [2022-11-18 19:52:48,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:52:48,993 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:52:48,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 59 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:52:48,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-18 19:52:48,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-18 19:52:48,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 31 states have (on average 1.064516129032258) internal successors, (33), 31 states have internal predecessors, (33), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-18 19:52:49,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2022-11-18 19:52:49,001 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 29 [2022-11-18 19:52:49,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:49,001 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-11-18 19:52:49,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-18 19:52:49,002 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-11-18 19:52:49,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-18 19:52:49,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:49,003 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:52:49,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:49,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:52:49,208 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-18 19:52:49,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:49,209 INFO L85 PathProgramCache]: Analyzing trace with hash -898019443, now seen corresponding path program 2 times [2022-11-18 19:52:49,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:49,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662542962] [2022-11-18 19:52:49,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:49,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:49,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:52:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:49,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:52:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:49,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:52:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:49,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-18 19:52:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:49,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 19:52:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:49,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:52:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:49,573 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-18 19:52:49,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:49,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662542962] [2022-11-18 19:52:49,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662542962] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:52:49,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922652337] [2022-11-18 19:52:49,574 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:52:49,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:52:49,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:49,576 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:52:49,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 19:52:49,727 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 19:52:49,727 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:52:49,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 19:52:49,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:52:49,846 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-18 19:52:49,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:52:50,062 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-18 19:52:50,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922652337] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:52:50,063 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:52:50,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 24 [2022-11-18 19:52:50,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855404790] [2022-11-18 19:52:50,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:52:50,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-18 19:52:50,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:50,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-18 19:52:50,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2022-11-18 19:52:50,065 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 25 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 24 states have internal predecessors, (65), 12 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-18 19:52:50,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:50,416 INFO L93 Difference]: Finished difference Result 79 states and 107 transitions. [2022-11-18 19:52:50,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 19:52:50,417 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 24 states have internal predecessors, (65), 12 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 58 [2022-11-18 19:52:50,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:50,418 INFO L225 Difference]: With dead ends: 79 [2022-11-18 19:52:50,418 INFO L226 Difference]: Without dead ends: 78 [2022-11-18 19:52:50,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=334, Invalid=856, Unknown=0, NotChecked=0, Total=1190 [2022-11-18 19:52:50,420 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 40 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:52:50,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 236 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:52:50,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-18 19:52:50,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75. [2022-11-18 19:52:50,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 61 states have (on average 1.0327868852459017) internal successors, (63), 61 states have internal predecessors, (63), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-18 19:52:50,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 87 transitions. [2022-11-18 19:52:50,432 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 87 transitions. Word has length 58 [2022-11-18 19:52:50,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:50,433 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 87 transitions. [2022-11-18 19:52:50,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 24 states have internal predecessors, (65), 12 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-18 19:52:50,434 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2022-11-18 19:52:50,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-18 19:52:50,436 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:50,436 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:52:50,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:50,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:52:50,642 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-18 19:52:50,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:50,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1422382221, now seen corresponding path program 3 times [2022-11-18 19:52:50,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:50,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384637213] [2022-11-18 19:52:50,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:50,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:52:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 19:52:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:52:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-18 19:52:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 19:52:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:52:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 19:52:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:52:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 19:52:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:52:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 19:52:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 19:52:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,738 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 265 proven. 55 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-18 19:52:51,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:51,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384637213] [2022-11-18 19:52:51,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384637213] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:52:51,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67095592] [2022-11-18 19:52:51,740 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 19:52:51,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:52:51,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:51,741 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:52:51,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 19:52:51,879 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-18 19:52:51,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:52:51,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:52:51,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:52:52,024 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-11-18 19:52:52,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:52:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-11-18 19:52:52,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67095592] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:52:52,213 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:52:52,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 4, 4] total 30 [2022-11-18 19:52:52,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895850028] [2022-11-18 19:52:52,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:52:52,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-18 19:52:52,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:52,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-18 19:52:52,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=721, Unknown=0, NotChecked=0, Total=870 [2022-11-18 19:52:52,216 INFO L87 Difference]: Start difference. First operand 75 states and 87 transitions. Second operand has 30 states, 30 states have (on average 2.8333333333333335) internal successors, (85), 29 states have internal predecessors, (85), 15 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 15 states have call predecessors, (17), 15 states have call successors, (17) [2022-11-18 19:52:53,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:53,136 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2022-11-18 19:52:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-18 19:52:53,137 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.8333333333333335) internal successors, (85), 29 states have internal predecessors, (85), 15 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 15 states have call predecessors, (17), 15 states have call successors, (17) Word has length 118 [2022-11-18 19:52:53,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:52:53,138 INFO L225 Difference]: With dead ends: 83 [2022-11-18 19:52:53,138 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 19:52:53,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=744, Invalid=2562, Unknown=0, NotChecked=0, Total=3306 [2022-11-18 19:52:53,140 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 30 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:52:53,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 258 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 19:52:53,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 19:52:53,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 19:52:53,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:52:53,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 19:52:53,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 118 [2022-11-18 19:52:53,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:52:53,142 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:52:53,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.8333333333333335) internal successors, (85), 29 states have internal predecessors, (85), 15 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 15 states have call predecessors, (17), 15 states have call successors, (17) [2022-11-18 19:52:53,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 19:52:53,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 19:52:53,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-18 19:52:53,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-18 19:52:53,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:53,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:52:53,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 19:52:53,538 INFO L895 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 525 531) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-18 19:52:53,538 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 530) no Hoare annotation was computed. [2022-11-18 19:52:53,538 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 525 531) no Hoare annotation was computed. [2022-11-18 19:52:53,538 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 525 531) no Hoare annotation was computed. [2022-11-18 19:52:53,538 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 766) no Hoare annotation was computed. [2022-11-18 19:52:53,538 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 19:52:53,539 INFO L899 garLoopResultBuilder]: For program point L766-2(lines 766 769) no Hoare annotation was computed. [2022-11-18 19:52:53,539 INFO L899 garLoopResultBuilder]: For program point L766-3(line 766) no Hoare annotation was computed. [2022-11-18 19:52:53,539 INFO L895 garLoopResultBuilder]: At program point L762(line 762) the Hoare annotation is: (<= |ULTIMATE.start_entry_point_~len~0#1| 10) [2022-11-18 19:52:53,539 INFO L899 garLoopResultBuilder]: For program point L766-4(line 766) no Hoare annotation was computed. [2022-11-18 19:52:53,539 INFO L899 garLoopResultBuilder]: For program point L762-1(line 762) no Hoare annotation was computed. [2022-11-18 19:52:53,539 INFO L895 garLoopResultBuilder]: At program point L766-5(lines 766 769) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_entry_point_~len~0#1| 10))) (or (and .cse0 (< |ULTIMATE.start_entry_point_~i~0#1| 2147483647) (<= 1 |ULTIMATE.start_entry_point_~i~0#1|)) (and .cse0 (= |ULTIMATE.start_entry_point_~i~0#1| 0)))) [2022-11-18 19:52:53,540 INFO L902 garLoopResultBuilder]: At program point L766-6(lines 760 771) the Hoare annotation is: true [2022-11-18 19:52:53,540 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 19:52:53,540 INFO L895 garLoopResultBuilder]: At program point L767(line 767) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_entry_point_~len~0#1| 10))) (or (and .cse0 (<= 1 |ULTIMATE.start_entry_point_~i~0#1|) (<= |ULTIMATE.start_entry_point_~i~0#1| 9)) (and .cse0 (= |ULTIMATE.start_entry_point_~i~0#1| 0)))) [2022-11-18 19:52:53,540 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 766) no Hoare annotation was computed. [2022-11-18 19:52:53,540 INFO L899 garLoopResultBuilder]: For program point L767-1(line 767) no Hoare annotation was computed. [2022-11-18 19:52:53,540 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 19:52:53,540 INFO L899 garLoopResultBuilder]: For program point L765(line 765) no Hoare annotation was computed. [2022-11-18 19:52:53,541 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 19:52:53,541 INFO L899 garLoopResultBuilder]: For program point L772(lines 772 774) no Hoare annotation was computed. [2022-11-18 19:52:53,544 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2022-11-18 19:52:53,555 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:52:53,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:52:53 BoogieIcfgContainer [2022-11-18 19:52:53,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:52:53,575 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:52:53,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:52:53,575 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:52:53,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:52:46" (3/4) ... [2022-11-18 19:52:53,579 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 19:52:53,587 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-18 19:52:53,592 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-18 19:52:53,592 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 19:52:53,593 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:52:53,642 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 19:52:53,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:52:53,643 INFO L158 Benchmark]: Toolchain (without parser) took 8237.75ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 118.7MB in the beginning and 103.2MB in the end (delta: 15.5MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2022-11-18 19:52:53,643 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 47.5MB in the beginning and 47.5MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:52:53,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.44ms. Allocated memory is still 153.1MB. Free memory was 118.7MB in the beginning and 115.9MB in the end (delta: 2.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 19:52:53,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.55ms. Allocated memory is still 153.1MB. Free memory was 115.9MB in the beginning and 113.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:52:53,644 INFO L158 Benchmark]: Boogie Preprocessor took 37.35ms. Allocated memory is still 153.1MB. Free memory was 113.8MB in the beginning and 112.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:52:53,645 INFO L158 Benchmark]: RCFGBuilder took 427.24ms. Allocated memory is still 153.1MB. Free memory was 112.5MB in the beginning and 100.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 19:52:53,645 INFO L158 Benchmark]: TraceAbstraction took 7059.49ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 99.5MB in the beginning and 105.3MB in the end (delta: -5.8MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2022-11-18 19:52:53,646 INFO L158 Benchmark]: Witness Printer took 67.38ms. Allocated memory is still 192.9MB. Free memory was 105.3MB in the beginning and 103.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:52:53,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 47.5MB in the beginning and 47.5MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.44ms. Allocated memory is still 153.1MB. Free memory was 118.7MB in the beginning and 115.9MB in the end (delta: 2.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.55ms. Allocated memory is still 153.1MB. Free memory was 115.9MB in the beginning and 113.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.35ms. Allocated memory is still 153.1MB. Free memory was 113.8MB in the beginning and 112.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 427.24ms. Allocated memory is still 153.1MB. Free memory was 112.5MB in the beginning and 100.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7059.49ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 99.5MB in the beginning and 105.3MB in the end (delta: -5.8MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Witness Printer took 67.38ms. Allocated memory is still 192.9MB. Free memory was 105.3MB in the beginning and 103.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 766]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 766]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 5, TraceHistogramMax: 12, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 120 mSDsluCounter, 713 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 578 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 947 IncrementalHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 135 mSDtfsCounter, 947 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 578 GetRequests, 458 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 974 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=4, InterpolantAutomatonStates: 84, 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, 5 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 16 PreInvPairs, 39 NumberOfFragments, 47 HoareAnnotationTreeSize, 16 FomulaSimplifications, 66 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 260 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 484 NumberOfCodeBlocks, 386 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 676 ConstructedInterpolants, 0 QuantifiedInterpolants, 1684 SizeOfPredicates, 12 NumberOfNonLiveVariables, 762 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 1867/2191 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: ((len <= 10 && i < 2147483647) && 1 <= i) || (len <= 10 && i == 0) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 19:52:53,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e5156-138e-4c02-96df-fbe80558ba2a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE