./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/modulus-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/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_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/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_508d6c06-75c2-4a72-8d89-e5b585c6393e/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 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c --- 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 20:43:16,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:43:16,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:43:16,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:43:16,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:43:16,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:43:16,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:43:16,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:43:16,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:43:16,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:43:16,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:43:16,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:43:16,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:43:16,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:43:16,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:43:16,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:43:16,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:43:16,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:43:16,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:43:16,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:43:16,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:43:16,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:43:16,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:43:16,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:43:16,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:43:16,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:43:16,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:43:16,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:43:16,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:43:16,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:43:16,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:43:16,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:43:16,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:43:16,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:43:16,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:43:16,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:43:16,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:43:16,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:43:16,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:43:16,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:43:16,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:43:16,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 20:43:16,399 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:43:16,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:43:16,400 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:43:16,400 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:43:16,401 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:43:16,401 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:43:16,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:43:16,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:43:16,402 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:43:16,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:43:16,403 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:43:16,403 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:43:16,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:43:16,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:43:16,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:43:16,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:43:16,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:43:16,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:43:16,404 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:43:16,404 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:43:16,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:43:16,405 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:43:16,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:43:16,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:43:16,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:43:16,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:43:16,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:43:16,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:43:16,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:43:16,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:43:16,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:43:16,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:43:16,407 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:43:16,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:43:16,407 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:43:16,407 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:43:16,408 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:43:16,408 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_508d6c06-75c2-4a72-8d89-e5b585c6393e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c [2022-12-13 20:43:16,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:43:16,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:43:16,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:43:16,635 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:43:16,635 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:43:16,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/bitvector/modulus-2.i [2022-12-13 20:43:19,257 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:43:19,412 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:43:19,412 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/sv-benchmarks/c/bitvector/modulus-2.i [2022-12-13 20:43:19,417 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/data/935311795/1e62501d50a7478a93eb7db588bb4a93/FLAG9dfc4f158 [2022-12-13 20:43:19,427 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/data/935311795/1e62501d50a7478a93eb7db588bb4a93 [2022-12-13 20:43:19,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:43:19,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:43:19,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:43:19,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:43:19,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:43:19,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:43:19" (1/1) ... [2022-12-13 20:43:19,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ea22fa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:19, skipping insertion in model container [2022-12-13 20:43:19,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:43:19" (1/1) ... [2022-12-13 20:43:19,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:43:19,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:43:19,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/sv-benchmarks/c/bitvector/modulus-2.i[1252,1265] [2022-12-13 20:43:19,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:43:19,613 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:43:19,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/sv-benchmarks/c/bitvector/modulus-2.i[1252,1265] [2022-12-13 20:43:19,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:43:19,646 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:43:19,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:19 WrapperNode [2022-12-13 20:43:19,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:43:19,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:43:19,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:43:19,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:43:19,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:19" (1/1) ... [2022-12-13 20:43:19,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:19" (1/1) ... [2022-12-13 20:43:19,682 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2022-12-13 20:43:19,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:43:19,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:43:19,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:43:19,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:43:19,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:19" (1/1) ... [2022-12-13 20:43:19,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:19" (1/1) ... [2022-12-13 20:43:19,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:19" (1/1) ... [2022-12-13 20:43:19,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:19" (1/1) ... [2022-12-13 20:43:19,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:19" (1/1) ... [2022-12-13 20:43:19,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:19" (1/1) ... [2022-12-13 20:43:19,703 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:19" (1/1) ... [2022-12-13 20:43:19,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:19" (1/1) ... [2022-12-13 20:43:19,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:43:19,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:43:19,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:43:19,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:43:19,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:19" (1/1) ... [2022-12-13 20:43:19,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:43:19,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:43:19,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:43:19,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:43:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:43:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:43:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:43:19,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:43:19,823 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:43:19,824 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:43:19,939 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:43:19,945 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:43:19,945 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 20:43:19,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:43:19 BoogieIcfgContainer [2022-12-13 20:43:19,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:43:19,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:43:19,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:43:19,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:43:19,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:43:19" (1/3) ... [2022-12-13 20:43:19,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399ffd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:43:19, skipping insertion in model container [2022-12-13 20:43:19,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:19" (2/3) ... [2022-12-13 20:43:19,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399ffd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:43:19, skipping insertion in model container [2022-12-13 20:43:19,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:43:19" (3/3) ... [2022-12-13 20:43:19,954 INFO L112 eAbstractionObserver]: Analyzing ICFG modulus-2.i [2022-12-13 20:43:19,971 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:43:19,971 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-12-13 20:43:20,015 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:43:20,021 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;@b109894, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:43:20,021 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-13 20:43:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 21 states have (on average 1.619047619047619) internal successors, (34), 26 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:43:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 20:43:20,031 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:20,032 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 20:43:20,032 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-12-13 20:43:20,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:20,037 INFO L85 PathProgramCache]: Analyzing trace with hash 28693827, now seen corresponding path program 1 times [2022-12-13 20:43:20,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:20,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720685188] [2022-12-13 20:43:20,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:20,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:20,159 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 20:43:20,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:43:20,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720685188] [2022-12-13 20:43:20,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720685188] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:43:20,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:43:20,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:43:20,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161071604] [2022-12-13 20:43:20,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:43:20,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 20:43:20,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:43:20,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 20:43:20,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:43:20,190 INFO L87 Difference]: Start difference. First operand has 27 states, 21 states have (on average 1.619047619047619) internal successors, (34), 26 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:43:20,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:20,204 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2022-12-13 20:43:20,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:43:20,206 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-13 20:43:20,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:20,212 INFO L225 Difference]: With dead ends: 51 [2022-12-13 20:43:20,212 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 20:43:20,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:43:20,217 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:43:20,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:43:20,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 20:43:20,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 20:43:20,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 13 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:43:20,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2022-12-13 20:43:20,241 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 5 [2022-12-13 20:43:20,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:20,241 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2022-12-13 20:43:20,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:43:20,241 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2022-12-13 20:43:20,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 20:43:20,242 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:20,242 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 20:43:20,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:43:20,242 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-12-13 20:43:20,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:20,243 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2022-12-13 20:43:20,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:20,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385330745] [2022-12-13 20:43:20,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:20,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:20,405 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 20:43:20,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:43:20,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385330745] [2022-12-13 20:43:20,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385330745] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:43:20,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:43:20,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:43:20,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390949259] [2022-12-13 20:43:20,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:43:20,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:43:20,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:43:20,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:43:20,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:43:20,415 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:43:20,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:20,427 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2022-12-13 20:43:20,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:43:20,427 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-13 20:43:20,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:20,428 INFO L225 Difference]: With dead ends: 14 [2022-12-13 20:43:20,428 INFO L226 Difference]: Without dead ends: 13 [2022-12-13 20:43:20,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:43:20,430 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 16 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:43:20,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 11 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:43:20,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-13 20:43:20,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 20:43:20,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:43:20,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2022-12-13 20:43:20,433 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 5 [2022-12-13 20:43:20,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:20,433 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2022-12-13 20:43:20,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:43:20,434 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2022-12-13 20:43:20,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 20:43:20,434 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:20,434 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 20:43:20,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:43:20,435 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-12-13 20:43:20,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:20,436 INFO L85 PathProgramCache]: Analyzing trace with hash 889568262, now seen corresponding path program 1 times [2022-12-13 20:43:20,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:20,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714296441] [2022-12-13 20:43:20,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:20,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:43:20,448 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:43:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:43:20,476 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:43:20,476 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:43:20,477 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-12-13 20:43:20,479 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-12-13 20:43:20,480 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-12-13 20:43:20,480 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-12-13 20:43:20,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2022-12-13 20:43:20,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:43:20,485 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 20:43:20,488 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:43:20,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:43:20 BoogieIcfgContainer [2022-12-13 20:43:20,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:43:20,505 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:43:20,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:43:20,505 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:43:20,506 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:43:19" (3/4) ... [2022-12-13 20:43:20,508 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 20:43:20,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:43:20,509 INFO L158 Benchmark]: Toolchain (without parser) took 1078.66ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 106.8MB in the beginning and 130.1MB in the end (delta: -23.3MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2022-12-13 20:43:20,510 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 136.3MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:43:20,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.89ms. Allocated memory is still 136.3MB. Free memory was 106.8MB in the beginning and 96.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 20:43:20,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.52ms. Allocated memory is still 136.3MB. Free memory was 96.3MB in the beginning and 94.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:43:20,511 INFO L158 Benchmark]: Boogie Preprocessor took 23.23ms. Allocated memory is still 136.3MB. Free memory was 94.6MB in the beginning and 93.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:43:20,512 INFO L158 Benchmark]: RCFGBuilder took 240.35ms. Allocated memory is still 136.3MB. Free memory was 93.5MB in the beginning and 82.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 20:43:20,512 INFO L158 Benchmark]: TraceAbstraction took 555.66ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 82.1MB in the beginning and 130.1MB in the end (delta: -48.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:43:20,513 INFO L158 Benchmark]: Witness Printer took 3.40ms. Allocated memory is still 163.6MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:43:20,515 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 136.3MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.89ms. Allocated memory is still 136.3MB. Free memory was 106.8MB in the beginning and 96.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.52ms. Allocated memory is still 136.3MB. Free memory was 96.3MB in the beginning and 94.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.23ms. Allocated memory is still 136.3MB. Free memory was 94.6MB in the beginning and 93.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 240.35ms. Allocated memory is still 136.3MB. Free memory was 93.5MB in the beginning and 82.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 555.66ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 82.1MB in the beginning and 130.1MB in the end (delta: -48.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.40ms. Allocated memory is still 163.6MB. Free memory is still 130.1MB. There was no memory consumed. 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 - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of shiftLeft at line 51. Possible FailurePath: [L46] unsigned int n = __VERIFIER_nondet_uint(); [L47] unsigned int s = __VERIFIER_nondet_uint(); [L48] unsigned int d; [L49] unsigned int m; [L50] CALL assume_abort_if_not(s < 31) [L11] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L50] RET assume_abort_if_not(s < 31) [L51] 1 << s VAL [s=30] - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: 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 1 procedures, 27 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 could not prove your program: unable to determine feasibility of some traces [2022-12-13 20:43:20,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/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_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/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 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c --- 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 20:43:22,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:43:22,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:43:22,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:43:22,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:43:22,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:43:22,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:43:22,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:43:22,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:43:22,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:43:22,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:43:22,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:43:22,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:43:22,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:43:22,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:43:22,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:43:22,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:43:22,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:43:22,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:43:22,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:43:22,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:43:22,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:43:22,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:43:22,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:43:22,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:43:22,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:43:22,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:43:22,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:43:22,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:43:22,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:43:22,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:43:22,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:43:22,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:43:22,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:43:22,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:43:22,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:43:22,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:43:22,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:43:22,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:43:22,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:43:22,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:43:22,275 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2022-12-13 20:43:22,292 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:43:22,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:43:22,292 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:43:22,293 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:43:22,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:43:22,293 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:43:22,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:43:22,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:43:22,294 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:43:22,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:43:22,294 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:43:22,295 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:43:22,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:43:22,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:43:22,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:43:22,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:43:22,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:43:22,296 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 20:43:22,296 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 20:43:22,296 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:43:22,296 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 20:43:22,296 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:43:22,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:43:22,297 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:43:22,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:43:22,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:43:22,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:43:22,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:43:22,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:43:22,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:43:22,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:43:22,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:43:22,298 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 20:43:22,298 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 20:43:22,299 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:43:22,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:43:22,299 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:43:22,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:43:22,299 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 20:43:22,299 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:43:22,300 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_508d6c06-75c2-4a72-8d89-e5b585c6393e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c [2022-12-13 20:43:22,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:43:22,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:43:22,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:43:22,524 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:43:22,524 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:43:22,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/bitvector/modulus-2.i [2022-12-13 20:43:25,168 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:43:25,327 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:43:25,328 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/sv-benchmarks/c/bitvector/modulus-2.i [2022-12-13 20:43:25,335 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/data/b41eb5930/8146ae90bd014b18a9f2aed669907b4e/FLAGc7048d204 [2022-12-13 20:43:25,347 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/data/b41eb5930/8146ae90bd014b18a9f2aed669907b4e [2022-12-13 20:43:25,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:43:25,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:43:25,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:43:25,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:43:25,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:43:25,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:43:25" (1/1) ... [2022-12-13 20:43:25,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dba1976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:25, skipping insertion in model container [2022-12-13 20:43:25,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:43:25" (1/1) ... [2022-12-13 20:43:25,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:43:25,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:43:25,487 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/sv-benchmarks/c/bitvector/modulus-2.i[1252,1265] [2022-12-13 20:43:25,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:43:25,506 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:43:25,516 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/sv-benchmarks/c/bitvector/modulus-2.i[1252,1265] [2022-12-13 20:43:25,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:43:25,532 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:43:25,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:25 WrapperNode [2022-12-13 20:43:25,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:43:25,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:43:25,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:43:25,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:43:25,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:25" (1/1) ... [2022-12-13 20:43:25,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:25" (1/1) ... [2022-12-13 20:43:25,559 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2022-12-13 20:43:25,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:43:25,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:43:25,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:43:25,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:43:25,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:25" (1/1) ... [2022-12-13 20:43:25,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:25" (1/1) ... [2022-12-13 20:43:25,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:25" (1/1) ... [2022-12-13 20:43:25,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:25" (1/1) ... [2022-12-13 20:43:25,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:25" (1/1) ... [2022-12-13 20:43:25,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:25" (1/1) ... [2022-12-13 20:43:25,576 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:25" (1/1) ... [2022-12-13 20:43:25,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:25" (1/1) ... [2022-12-13 20:43:25,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:43:25,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:43:25,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:43:25,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:43:25,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:25" (1/1) ... [2022-12-13 20:43:25,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:43:25,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:43:25,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:43:25,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:43:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:43:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 20:43:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:43:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:43:25,696 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:43:25,698 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:43:25,840 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:43:25,844 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:43:25,845 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 20:43:25,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:43:25 BoogieIcfgContainer [2022-12-13 20:43:25,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:43:25,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:43:25,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:43:25,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:43:25,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:43:25" (1/3) ... [2022-12-13 20:43:25,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f979eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:43:25, skipping insertion in model container [2022-12-13 20:43:25,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:25" (2/3) ... [2022-12-13 20:43:25,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f979eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:43:25, skipping insertion in model container [2022-12-13 20:43:25,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:43:25" (3/3) ... [2022-12-13 20:43:25,852 INFO L112 eAbstractionObserver]: Analyzing ICFG modulus-2.i [2022-12-13 20:43:25,866 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:43:25,866 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-12-13 20:43:25,901 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:43:25,906 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;@5c5242e7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:43:25,906 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-13 20:43:25,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 21 states have (on average 1.619047619047619) internal successors, (34), 26 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:43:25,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 20:43:25,913 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:25,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 20:43:25,914 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-12-13 20:43:25,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:25,918 INFO L85 PathProgramCache]: Analyzing trace with hash 28693827, now seen corresponding path program 1 times [2022-12-13 20:43:25,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:43:25,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [959172818] [2022-12-13 20:43:25,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:25,927 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:43:25,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:43:25,928 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 20:43:25,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 20:43:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:25,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 20:43:25,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:43:25,985 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 20:43:25,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:43:25,986 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:43:25,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [959172818] [2022-12-13 20:43:25,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [959172818] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:43:25,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:43:25,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:43:25,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028753175] [2022-12-13 20:43:25,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:43:25,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 20:43:25,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:43:26,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 20:43:26,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:43:26,017 INFO L87 Difference]: Start difference. First operand has 27 states, 21 states have (on average 1.619047619047619) internal successors, (34), 26 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:43:26,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:26,031 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2022-12-13 20:43:26,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:43:26,033 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-13 20:43:26,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:26,040 INFO L225 Difference]: With dead ends: 50 [2022-12-13 20:43:26,041 INFO L226 Difference]: Without dead ends: 12 [2022-12-13 20:43:26,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:43:26,047 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:43:26,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:43:26,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-12-13 20:43:26,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-12-13 20:43:26,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.375) internal successors, (11), 11 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:43:26,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2022-12-13 20:43:26,070 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 5 [2022-12-13 20:43:26,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:26,071 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2022-12-13 20:43:26,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:43:26,071 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2022-12-13 20:43:26,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 20:43:26,072 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:26,072 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 20:43:26,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:43:26,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:43:26,274 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-12-13 20:43:26,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:26,275 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2022-12-13 20:43:26,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:43:26,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1894121133] [2022-12-13 20:43:26,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:26,276 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:43:26,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:43:26,277 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 20:43:26,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 20:43:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:26,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 20:43:26,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:43:26,497 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 20:43:26,497 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:43:26,497 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:43:26,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1894121133] [2022-12-13 20:43:26,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1894121133] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:43:26,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:43:26,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:43:26,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954703832] [2022-12-13 20:43:26,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:43:26,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:43:26,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:43:26,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:43:26,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:43:26,500 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:43:26,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:26,543 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2022-12-13 20:43:26,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:43:26,544 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-13 20:43:26,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:26,544 INFO L225 Difference]: With dead ends: 12 [2022-12-13 20:43:26,544 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 20:43:26,544 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 20:43:26,545 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 8 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:43:26,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:43:26,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 20:43:26,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 20:43:26,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:43:26,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 20:43:26,546 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-12-13 20:43:26,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:26,547 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:43:26,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:43:26,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 20:43:26,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 20:43:26,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-12-13 20:43:26,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-12-13 20:43:26,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-12-13 20:43:26,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-12-13 20:43:26,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2022-12-13 20:43:26,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-12-13 20:43:26,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:43:26,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 20:43:26,786 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-12-13 20:43:26,787 INFO L902 garLoopResultBuilder]: At program point L56-2(lines 56 59) the Hoare annotation is: true [2022-12-13 20:43:26,787 INFO L899 garLoopResultBuilder]: For program point L56-3(lines 56 59) no Hoare annotation was computed. [2022-12-13 20:43:26,788 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 66) no Hoare annotation was computed. [2022-12-13 20:43:26,788 INFO L899 garLoopResultBuilder]: For program point L52-2(lines 52 66) no Hoare annotation was computed. [2022-12-13 20:43:26,788 INFO L899 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2022-12-13 20:43:26,789 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 44 68) the Hoare annotation is: true [2022-12-13 20:43:26,789 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 20:43:26,790 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-12-13 20:43:26,791 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-12-13 20:43:26,791 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 20:43:26,792 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 30) no Hoare annotation was computed. [2022-12-13 20:43:26,792 INFO L902 garLoopResultBuilder]: At program point L28-2(lines 27 32) the Hoare annotation is: true [2022-12-13 20:43:26,793 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-12-13 20:43:26,793 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 20:43:26,793 INFO L899 garLoopResultBuilder]: For program point L62-1(lines 62 64) no Hoare annotation was computed. [2022-12-13 20:43:26,794 INFO L899 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2022-12-13 20:43:26,794 INFO L902 garLoopResultBuilder]: At program point L54-2(lines 54 61) the Hoare annotation is: true [2022-12-13 20:43:26,795 INFO L899 garLoopResultBuilder]: For program point L54-3(lines 52 66) no Hoare annotation was computed. [2022-12-13 20:43:26,795 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 20:43:26,795 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-12-13 20:43:26,796 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2022-12-13 20:43:26,796 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2022-12-13 20:43:26,796 INFO L899 garLoopResultBuilder]: For program point L51-2(line 51) no Hoare annotation was computed. [2022-12-13 20:43:26,796 INFO L899 garLoopResultBuilder]: For program point L51-3(line 51) no Hoare annotation was computed. [2022-12-13 20:43:26,797 INFO L899 garLoopResultBuilder]: For program point L51-4(line 51) no Hoare annotation was computed. [2022-12-13 20:43:26,797 INFO L899 garLoopResultBuilder]: For program point L10(lines 10 12) no Hoare annotation was computed. [2022-12-13 20:43:26,803 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 20:43:26,805 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:43:26,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:43:26 BoogieIcfgContainer [2022-12-13 20:43:26,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:43:26,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:43:26,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:43:26,813 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:43:26,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:43:25" (3/4) ... [2022-12-13 20:43:26,816 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:43:26,824 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 20:43:26,824 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 20:43:26,824 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 20:43:26,824 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:43:26,846 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:43:26,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:43:26,846 INFO L158 Benchmark]: Toolchain (without parser) took 1496.52ms. Allocated memory is still 88.1MB. Free memory was 66.8MB in the beginning and 60.1MB in the end (delta: 6.7MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-12-13 20:43:26,847 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:43:26,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.23ms. Allocated memory is still 88.1MB. Free memory was 66.6MB in the beginning and 56.0MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 20:43:26,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.60ms. Allocated memory is still 88.1MB. Free memory was 55.7MB in the beginning and 54.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:43:26,847 INFO L158 Benchmark]: Boogie Preprocessor took 18.60ms. Allocated memory is still 88.1MB. Free memory was 54.3MB in the beginning and 53.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:43:26,848 INFO L158 Benchmark]: RCFGBuilder took 266.90ms. Allocated memory is still 88.1MB. Free memory was 53.0MB in the beginning and 63.8MB in the end (delta: -10.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2022-12-13 20:43:26,848 INFO L158 Benchmark]: TraceAbstraction took 964.85ms. Allocated memory is still 88.1MB. Free memory was 63.0MB in the beginning and 62.8MB in the end (delta: 170.0kB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2022-12-13 20:43:26,848 INFO L158 Benchmark]: Witness Printer took 32.98ms. Allocated memory is still 88.1MB. Free memory was 62.8MB in the beginning and 60.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:43:26,850 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.23ms. Allocated memory is still 88.1MB. Free memory was 66.6MB in the beginning and 56.0MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.60ms. Allocated memory is still 88.1MB. Free memory was 55.7MB in the beginning and 54.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.60ms. Allocated memory is still 88.1MB. Free memory was 54.3MB in the beginning and 53.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 266.90ms. Allocated memory is still 88.1MB. Free memory was 53.0MB in the beginning and 63.8MB in the end (delta: -10.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * TraceAbstraction took 964.85ms. Allocated memory is still 88.1MB. Free memory was 63.0MB in the beginning and 62.8MB in the end (delta: 170.0kB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Witness Printer took 32.98ms. Allocated memory is still 88.1MB. Free memory was 62.8MB in the beginning and 60.1MB in the end (delta: 2.6MB). 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: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 32 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 8 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 2 NumberOfNonLiveVariables, 34 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 5 specifications checked. All of them hold - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 20:43:26,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508d6c06-75c2-4a72-8d89-e5b585c6393e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE