./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-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_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/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_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/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_b4c27803-cd72-43d8-b2ef-a6eb651b613d/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 52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 14:42:01,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:42:01,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:42:01,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:42:01,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:42:01,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:42:01,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:42:01,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:42:01,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:42:01,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:42:01,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:42:01,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:42:01,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:42:01,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:42:01,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:42:01,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:42:01,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:42:01,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:42:01,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:42:01,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:42:01,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:42:01,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:42:01,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:42:01,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:42:01,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:42:01,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:42:01,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:42:01,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:42:01,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:42:01,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:42:01,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:42:01,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:42:01,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:42:01,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:42:01,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:42:01,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:42:01,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:42:01,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:42:01,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:42:01,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:42:01,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:42:01,539 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 14:42:01,557 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:42:01,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:42:01,558 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:42:01,558 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:42:01,559 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:42:01,559 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:42:01,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:42:01,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:42:01,560 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:42:01,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:42:01,560 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:42:01,560 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:42:01,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:42:01,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:42:01,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:42:01,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:42:01,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:42:01,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:42:01,561 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 14:42:01,561 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:42:01,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:42:01,562 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:42:01,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:42:01,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:42:01,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:42:01,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:42:01,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:42:01,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:42:01,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:42:01,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:42:01,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:42:01,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:42:01,564 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:42:01,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:42:01,564 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:42:01,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:42:01,564 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:42:01,564 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_b4c27803-cd72-43d8-b2ef-a6eb651b613d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f [2022-12-13 14:42:01,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:42:01,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:42:01,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:42:01,747 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:42:01,747 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:42:01,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2022-12-13 14:42:04,421 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:42:04,598 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:42:04,598 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2022-12-13 14:42:04,606 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/data/b89fc0f96/25bab5ccfd714aaaa2887f9b666836f7/FLAG2625ee161 [2022-12-13 14:42:04,617 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/data/b89fc0f96/25bab5ccfd714aaaa2887f9b666836f7 [2022-12-13 14:42:04,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:42:04,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:42:04,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:42:04,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:42:04,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:42:04,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:42:04" (1/1) ... [2022-12-13 14:42:04,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4606788c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:04, skipping insertion in model container [2022-12-13 14:42:04,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:42:04" (1/1) ... [2022-12-13 14:42:04,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:42:04,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:42:04,915 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_b4c27803-cd72-43d8-b2ef-a6eb651b613d/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26271,26284] [2022-12-13 14:42:04,917 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_b4c27803-cd72-43d8-b2ef-a6eb651b613d/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26396,26409] [2022-12-13 14:42:04,918 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_b4c27803-cd72-43d8-b2ef-a6eb651b613d/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26511,26524] [2022-12-13 14:42:04,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:42:04,941 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:42:04,980 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_b4c27803-cd72-43d8-b2ef-a6eb651b613d/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26271,26284] [2022-12-13 14:42:04,981 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_b4c27803-cd72-43d8-b2ef-a6eb651b613d/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26396,26409] [2022-12-13 14:42:04,982 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_b4c27803-cd72-43d8-b2ef-a6eb651b613d/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26511,26524] [2022-12-13 14:42:04,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:42:05,015 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:42:05,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:05 WrapperNode [2022-12-13 14:42:05,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:42:05,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:42:05,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:42:05,017 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:42:05,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:05" (1/1) ... [2022-12-13 14:42:05,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:05" (1/1) ... [2022-12-13 14:42:05,059 INFO L138 Inliner]: procedures = 142, calls = 63, calls flagged for inlining = 14, calls inlined = 13, statements flattened = 164 [2022-12-13 14:42:05,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:42:05,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:42:05,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:42:05,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:42:05,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:05" (1/1) ... [2022-12-13 14:42:05,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:05" (1/1) ... [2022-12-13 14:42:05,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:05" (1/1) ... [2022-12-13 14:42:05,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:05" (1/1) ... [2022-12-13 14:42:05,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:05" (1/1) ... [2022-12-13 14:42:05,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:05" (1/1) ... [2022-12-13 14:42:05,089 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:05" (1/1) ... [2022-12-13 14:42:05,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:05" (1/1) ... [2022-12-13 14:42:05,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:42:05,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:42:05,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:42:05,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:42:05,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:05" (1/1) ... [2022-12-13 14:42:05,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:42:05,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:42:05,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:42:05,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:42:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2022-12-13 14:42:05,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2022-12-13 14:42:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2022-12-13 14:42:05,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2022-12-13 14:42:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 14:42:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:42:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 14:42:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2022-12-13 14:42:05,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2022-12-13 14:42:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 14:42:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:42:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 14:42:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2022-12-13 14:42:05,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2022-12-13 14:42:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:42:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2022-12-13 14:42:05,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2022-12-13 14:42:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:42:05,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:42:05,263 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:42:05,265 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:42:05,502 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:42:05,508 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:42:05,509 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-13 14:42:05,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:42:05 BoogieIcfgContainer [2022-12-13 14:42:05,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:42:05,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:42:05,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:42:05,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:42:05,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:42:04" (1/3) ... [2022-12-13 14:42:05,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91ee9d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:42:05, skipping insertion in model container [2022-12-13 14:42:05,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:42:05" (2/3) ... [2022-12-13 14:42:05,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91ee9d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:42:05, skipping insertion in model container [2022-12-13 14:42:05,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:42:05" (3/3) ... [2022-12-13 14:42:05,519 INFO L112 eAbstractionObserver]: Analyzing ICFG test_mutex_unbounded-2.i [2022-12-13 14:42:05,536 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:42:05,536 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 14:42:05,570 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:42:05,575 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;@7c0cd165, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:42:05,575 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 14:42:05,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 60 states have internal predecessors, (76), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 14:42:05,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 14:42:05,585 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:05,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:42:05,586 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:42:05,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:05,590 INFO L85 PathProgramCache]: Analyzing trace with hash -238203814, now seen corresponding path program 1 times [2022-12-13 14:42:05,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:05,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346011157] [2022-12-13 14:42:05,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:05,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:05,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 14:42:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:05,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:42:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:05,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:05,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:42:05,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:05,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346011157] [2022-12-13 14:42:05,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346011157] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:05,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:42:05,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:42:05,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319858551] [2022-12-13 14:42:05,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:05,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:42:05,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:05,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:42:05,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:42:05,869 INFO L87 Difference]: Start difference. First operand has 75 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 60 states have internal predecessors, (76), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 14:42:06,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:06,034 INFO L93 Difference]: Finished difference Result 147 states and 194 transitions. [2022-12-13 14:42:06,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:42:06,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-12-13 14:42:06,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:06,041 INFO L225 Difference]: With dead ends: 147 [2022-12-13 14:42:06,041 INFO L226 Difference]: Without dead ends: 25 [2022-12-13 14:42:06,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:42:06,046 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 29 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:06,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 147 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:42:06,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-12-13 14:42:06,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-12-13 14:42:06,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 14:42:06,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2022-12-13 14:42:06,070 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 22 [2022-12-13 14:42:06,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:06,071 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2022-12-13 14:42:06,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 14:42:06,071 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2022-12-13 14:42:06,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 14:42:06,072 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:06,072 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:42:06,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:42:06,072 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:42:06,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:06,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1259272168, now seen corresponding path program 1 times [2022-12-13 14:42:06,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:06,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691872232] [2022-12-13 14:42:06,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:06,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:06,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 14:42:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:06,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:42:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:06,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:06,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:42:06,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:06,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691872232] [2022-12-13 14:42:06,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691872232] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:06,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:42:06,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 14:42:06,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564851209] [2022-12-13 14:42:06,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:06,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:42:06,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:06,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:42:06,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:42:06,250 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 14:42:06,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:06,356 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2022-12-13 14:42:06,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:42:06,357 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-12-13 14:42:06,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:06,357 INFO L225 Difference]: With dead ends: 34 [2022-12-13 14:42:06,357 INFO L226 Difference]: Without dead ends: 32 [2022-12-13 14:42:06,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:42:06,358 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 13 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:06,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 34 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:42:06,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-12-13 14:42:06,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-12-13 14:42:06,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 23 states have internal predecessors, (24), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 14:42:06,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2022-12-13 14:42:06,363 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 22 [2022-12-13 14:42:06,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:06,364 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2022-12-13 14:42:06,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 14:42:06,364 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2022-12-13 14:42:06,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 14:42:06,365 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:06,365 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-13 14:42:06,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:42:06,366 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:42:06,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:06,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1659719843, now seen corresponding path program 1 times [2022-12-13 14:42:06,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:06,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472699750] [2022-12-13 14:42:06,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:06,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:06,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 14:42:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:06,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:42:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:06,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:06,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 14:42:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:06,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 14:42:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:06,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:06,590 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 14:42:06,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:06,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472699750] [2022-12-13 14:42:06,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472699750] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:42:06,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982121642] [2022-12-13 14:42:06,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:06,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:42:06,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:42:06,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:42:06,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 14:42:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:06,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 14:42:06,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:42:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 14:42:06,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:42:06,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982121642] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:42:06,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:42:06,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2022-12-13 14:42:06,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508881910] [2022-12-13 14:42:06,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:42:06,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:42:06,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:06,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:42:06,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-13 14:42:06,805 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-12-13 14:42:06,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:06,838 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2022-12-13 14:42:06,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 14:42:06,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 42 [2022-12-13 14:42:06,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:06,839 INFO L225 Difference]: With dead ends: 32 [2022-12-13 14:42:06,839 INFO L226 Difference]: Without dead ends: 31 [2022-12-13 14:42:06,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-13 14:42:06,840 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 9 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:06,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 64 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:42:06,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-12-13 14:42:06,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-12-13 14:42:06,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 14:42:06,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2022-12-13 14:42:06,844 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 42 [2022-12-13 14:42:06,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:06,845 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2022-12-13 14:42:06,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-12-13 14:42:06,845 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2022-12-13 14:42:06,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-13 14:42:06,845 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:06,845 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-12-13 14:42:06,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:42:07,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:42:07,047 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:42:07,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:07,047 INFO L85 PathProgramCache]: Analyzing trace with hash 88292489, now seen corresponding path program 1 times [2022-12-13 14:42:07,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:07,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127717164] [2022-12-13 14:42:07,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:07,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:07,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 14:42:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:07,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:42:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:07,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:07,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 14:42:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:07,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 14:42:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:07,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:07,325 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 14:42:07,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:07,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127717164] [2022-12-13 14:42:07,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127717164] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:42:07,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360639886] [2022-12-13 14:42:07,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:07,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:42:07,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:42:07,327 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:42:07,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 14:42:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:07,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 14:42:07,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:42:07,529 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 14:42:07,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:42:07,604 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 14:42:07,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360639886] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:42:07,604 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:42:07,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2022-12-13 14:42:07,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220103779] [2022-12-13 14:42:07,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:42:07,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 14:42:07,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:07,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 14:42:07,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2022-12-13 14:42:07,607 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 14 states, 13 states have (on average 3.230769230769231) internal successors, (42), 12 states have internal predecessors, (42), 6 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2022-12-13 14:42:07,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:07,782 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2022-12-13 14:42:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 14:42:07,783 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.230769230769231) internal successors, (42), 12 states have internal predecessors, (42), 6 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 43 [2022-12-13 14:42:07,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:07,784 INFO L225 Difference]: With dead ends: 53 [2022-12-13 14:42:07,784 INFO L226 Difference]: Without dead ends: 52 [2022-12-13 14:42:07,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2022-12-13 14:42:07,785 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 24 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:07,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 49 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:42:07,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-13 14:42:07,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-12-13 14:42:07,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 37 states have (on average 1.027027027027027) internal successors, (38), 37 states have internal predecessors, (38), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 14:42:07,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2022-12-13 14:42:07,793 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 43 [2022-12-13 14:42:07,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:07,794 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2022-12-13 14:42:07,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.230769230769231) internal successors, (42), 12 states have internal predecessors, (42), 6 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2022-12-13 14:42:07,794 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2022-12-13 14:42:07,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-13 14:42:07,796 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:42:07,796 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1] [2022-12-13 14:42:07,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 14:42:07,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:42:07,998 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:42:07,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:42:08,000 INFO L85 PathProgramCache]: Analyzing trace with hash -895706214, now seen corresponding path program 2 times [2022-12-13 14:42:08,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:42:08,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981357152] [2022-12-13 14:42:08,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:42:08,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:42:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:08,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 14:42:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:08,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:42:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:08,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:08,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 14:42:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:08,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 14:42:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:08,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:08,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 14:42:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:08,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 14:42:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:08,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:08,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 14:42:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:08,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 14:42:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:08,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:08,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 14:42:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:08,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 14:42:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:08,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:42:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:42:08,553 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-12-13 14:42:08,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:42:08,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981357152] [2022-12-13 14:42:08,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981357152] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:42:08,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980823213] [2022-12-13 14:42:08,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 14:42:08,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:42:08,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:42:08,555 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:42:08,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 14:42:08,711 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 14:42:08,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:42:08,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 14:42:08,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:42:08,784 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-12-13 14:42:08,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:42:08,892 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-12-13 14:42:08,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980823213] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:42:08,892 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:42:08,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 4, 4] total 16 [2022-12-13 14:42:08,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142526456] [2022-12-13 14:42:08,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:42:08,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-13 14:42:08,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:42:08,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-13 14:42:08,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2022-12-13 14:42:08,895 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand has 17 states, 16 states have (on average 3.1875) internal successors, (51), 15 states have internal predecessors, (51), 8 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2022-12-13 14:42:09,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:42:09,146 INFO L93 Difference]: Finished difference Result 60 states and 71 transitions. [2022-12-13 14:42:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 14:42:09,146 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.1875) internal successors, (51), 15 states have internal predecessors, (51), 8 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) Word has length 103 [2022-12-13 14:42:09,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:42:09,147 INFO L225 Difference]: With dead ends: 60 [2022-12-13 14:42:09,147 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 14:42:09,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 228 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=655, Unknown=0, NotChecked=0, Total=870 [2022-12-13 14:42:09,149 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 30 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:42:09,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 56 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:42:09,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 14:42:09,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 14:42:09,150 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 14:42:09,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 14:42:09,150 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2022-12-13 14:42:09,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:42:09,151 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:42:09,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.1875) internal successors, (51), 15 states have internal predecessors, (51), 8 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2022-12-13 14:42:09,151 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 14:42:09,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 14:42:09,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 14:42:09,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 14:42:09,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 14:42:09,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:42:09,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 14:42:09,596 INFO L899 garLoopResultBuilder]: For program point ldv_list_addFINAL(lines 610 613) no Hoare annotation was computed. [2022-12-13 14:42:09,596 INFO L899 garLoopResultBuilder]: For program point ldv_list_addEXIT(lines 610 613) no Hoare annotation was computed. [2022-12-13 14:42:09,597 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 613) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2022-12-13 14:42:09,597 INFO L895 garLoopResultBuilder]: At program point L612(line 612) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2022-12-13 14:42:09,597 INFO L899 garLoopResultBuilder]: For program point L612-1(line 612) no Hoare annotation was computed. [2022-12-13 14:42:09,597 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 609) no Hoare annotation was computed. [2022-12-13 14:42:09,597 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 618 621) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2022-12-13 14:42:09,597 INFO L899 garLoopResultBuilder]: For program point ldv_list_delFINAL(lines 618 621) no Hoare annotation was computed. [2022-12-13 14:42:09,597 INFO L899 garLoopResultBuilder]: For program point ldv_list_delEXIT(lines 618 621) no Hoare annotation was computed. [2022-12-13 14:42:09,598 INFO L899 garLoopResultBuilder]: For program point ldv_successful_mallocEXIT(lines 579 583) no Hoare annotation was computed. [2022-12-13 14:42:09,598 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 579 583) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-12-13 14:42:09,598 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2022-12-13 14:42:09,598 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 570) no Hoare annotation was computed. [2022-12-13 14:42:09,598 INFO L899 garLoopResultBuilder]: For program point ldv_successful_mallocFINAL(lines 579 583) no Hoare annotation was computed. [2022-12-13 14:42:09,598 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 596 604) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2022-12-13 14:42:09,598 INFO L899 garLoopResultBuilder]: For program point __ldv_list_addFINAL(lines 596 604) no Hoare annotation was computed. [2022-12-13 14:42:09,598 INFO L899 garLoopResultBuilder]: For program point __ldv_list_addEXIT(lines 596 604) no Hoare annotation was computed. [2022-12-13 14:42:09,598 INFO L899 garLoopResultBuilder]: For program point L688(lines 688 706) no Hoare annotation was computed. [2022-12-13 14:42:09,599 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 707 711) the Hoare annotation is: true [2022-12-13 14:42:09,599 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 682) no Hoare annotation was computed. [2022-12-13 14:42:09,599 INFO L899 garLoopResultBuilder]: For program point L647(lines 647 656) no Hoare annotation was computed. [2022-12-13 14:42:09,599 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 675) no Hoare annotation was computed. [2022-12-13 14:42:09,599 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 693) no Hoare annotation was computed. [2022-12-13 14:42:09,599 INFO L899 garLoopResultBuilder]: For program point L639(lines 639 646) no Hoare annotation was computed. [2022-12-13 14:42:09,599 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 14:42:09,599 INFO L899 garLoopResultBuilder]: For program point L681(line 681) no Hoare annotation was computed. [2022-12-13 14:42:09,599 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 693) no Hoare annotation was computed. [2022-12-13 14:42:09,600 INFO L902 garLoopResultBuilder]: At program point L673(line 673) the Hoare annotation is: true [2022-12-13 14:42:09,600 INFO L899 garLoopResultBuilder]: For program point L673-1(line 673) no Hoare annotation was computed. [2022-12-13 14:42:09,600 INFO L902 garLoopResultBuilder]: At program point L640(line 640) the Hoare annotation is: true [2022-12-13 14:42:09,600 INFO L899 garLoopResultBuilder]: For program point L673-2(line 673) no Hoare annotation was computed. [2022-12-13 14:42:09,600 INFO L899 garLoopResultBuilder]: For program point L640-1(line 640) no Hoare annotation was computed. [2022-12-13 14:42:09,600 INFO L899 garLoopResultBuilder]: For program point L640-2(lines 640 645) no Hoare annotation was computed. [2022-12-13 14:42:09,600 INFO L899 garLoopResultBuilder]: For program point L673-4(line 673) no Hoare annotation was computed. [2022-12-13 14:42:09,600 INFO L902 garLoopResultBuilder]: At program point ldv_set_empty_returnLabel#1(lines 666 668) the Hoare annotation is: true [2022-12-13 14:42:09,600 INFO L902 garLoopResultBuilder]: At program point L698-2(lines 698 701) the Hoare annotation is: true [2022-12-13 14:42:09,601 INFO L899 garLoopResultBuilder]: For program point L698-3(lines 698 701) no Hoare annotation was computed. [2022-12-13 14:42:09,601 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 14:42:09,601 INFO L899 garLoopResultBuilder]: For program point L650-2(lines 650 655) no Hoare annotation was computed. [2022-12-13 14:42:09,601 INFO L902 garLoopResultBuilder]: At program point L650-3(lines 650 655) the Hoare annotation is: true [2022-12-13 14:42:09,601 INFO L902 garLoopResultBuilder]: At program point L642(line 642) the Hoare annotation is: true [2022-12-13 14:42:09,601 INFO L899 garLoopResultBuilder]: For program point L642-1(line 642) no Hoare annotation was computed. [2022-12-13 14:42:09,601 INFO L902 garLoopResultBuilder]: At program point L700(line 700) the Hoare annotation is: true [2022-12-13 14:42:09,601 INFO L899 garLoopResultBuilder]: For program point L700-1(lines 698 701) no Hoare annotation was computed. [2022-12-13 14:42:09,601 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 654) no Hoare annotation was computed. [2022-12-13 14:42:09,601 INFO L899 garLoopResultBuilder]: For program point L676(lines 676 679) no Hoare annotation was computed. [2022-12-13 14:42:09,602 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 14:42:09,602 INFO L899 garLoopResultBuilder]: For program point L693-2(line 693) no Hoare annotation was computed. [2022-12-13 14:42:09,602 INFO L899 garLoopResultBuilder]: For program point L693-3(line 693) no Hoare annotation was computed. [2022-12-13 14:42:09,602 INFO L895 garLoopResultBuilder]: At program point L693-4(lines 693 696) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_foo_~N~0#1| 2147483647))) (or (and .cse0 (<= 1 |ULTIMATE.start_foo_~i~0#1|)) (and (= |ULTIMATE.start_foo_~i~0#1| 0) .cse0))) [2022-12-13 14:42:09,602 INFO L899 garLoopResultBuilder]: For program point L693-5(lines 693 696) no Hoare annotation was computed. [2022-12-13 14:42:09,602 INFO L902 garLoopResultBuilder]: At program point L652(line 652) the Hoare annotation is: true [2022-12-13 14:42:09,602 INFO L899 garLoopResultBuilder]: For program point L652-1(line 652) no Hoare annotation was computed. [2022-12-13 14:42:09,602 INFO L902 garLoopResultBuilder]: At program point L677(line 677) the Hoare annotation is: true [2022-12-13 14:42:09,602 INFO L902 garLoopResultBuilder]: At program point L644(line 644) the Hoare annotation is: true [2022-12-13 14:42:09,602 INFO L899 garLoopResultBuilder]: For program point L677-1(line 677) no Hoare annotation was computed. [2022-12-13 14:42:09,603 INFO L899 garLoopResultBuilder]: For program point L677-2(line 677) no Hoare annotation was computed. [2022-12-13 14:42:09,603 INFO L899 garLoopResultBuilder]: For program point L677-4(line 677) no Hoare annotation was computed. [2022-12-13 14:42:09,603 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 14:42:09,603 INFO L899 garLoopResultBuilder]: For program point L702-2(lines 702 704) no Hoare annotation was computed. [2022-12-13 14:42:09,603 INFO L902 garLoopResultBuilder]: At program point L702-3(lines 702 704) the Hoare annotation is: true [2022-12-13 14:42:09,611 INFO L899 garLoopResultBuilder]: For program point L702-4(lines 702 704) no Hoare annotation was computed. [2022-12-13 14:42:09,611 INFO L902 garLoopResultBuilder]: At program point ldv_list_empty_returnLabel#1(lines 622 625) the Hoare annotation is: true [2022-12-13 14:42:09,611 INFO L895 garLoopResultBuilder]: At program point L694(line 694) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_foo_~N~0#1| 2147483647))) (or (and (<= |ULTIMATE.start_foo_~i~0#1| 2147483646) .cse0 (<= 1 |ULTIMATE.start_foo_~i~0#1|)) (and (= |ULTIMATE.start_foo_~i~0#1| 0) .cse0))) [2022-12-13 14:42:09,611 INFO L899 garLoopResultBuilder]: For program point L694-1(line 694) no Hoare annotation was computed. [2022-12-13 14:42:09,612 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 671) no Hoare annotation was computed. [2022-12-13 14:42:09,612 INFO L895 garLoopResultBuilder]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_foo_~N~0#1| 2147483647))) (or (and (<= |ULTIMATE.start_foo_~i~0#1| 2147483646) .cse0 (<= 1 |ULTIMATE.start_foo_~i~0#1|)) (and (= |ULTIMATE.start_foo_~i~0#1| 0) .cse0))) [2022-12-13 14:42:09,612 INFO L899 garLoopResultBuilder]: For program point L695-1(lines 693 696) no Hoare annotation was computed. [2022-12-13 14:42:09,612 INFO L899 garLoopResultBuilder]: For program point ldv_is_in_setEXIT(lines 657 665) no Hoare annotation was computed. [2022-12-13 14:42:09,612 INFO L899 garLoopResultBuilder]: For program point ldv_is_in_setFINAL(lines 657 665) no Hoare annotation was computed. [2022-12-13 14:42:09,612 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 662) no Hoare annotation was computed. [2022-12-13 14:42:09,612 INFO L899 garLoopResultBuilder]: For program point L659-2(lines 659 663) no Hoare annotation was computed. [2022-12-13 14:42:09,613 INFO L902 garLoopResultBuilder]: At program point L659-3(lines 659 663) the Hoare annotation is: true [2022-12-13 14:42:09,613 INFO L899 garLoopResultBuilder]: For program point L659-4(lines 659 663) no Hoare annotation was computed. [2022-12-13 14:42:09,613 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 657 665) the Hoare annotation is: true [2022-12-13 14:42:09,616 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2022-12-13 14:42:09,618 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:42:09,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:42:09 BoogieIcfgContainer [2022-12-13 14:42:09,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:42:09,631 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:42:09,631 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:42:09,631 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:42:09,632 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:42:05" (3/4) ... [2022-12-13 14:42:09,634 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 14:42:09,640 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2022-12-13 14:42:09,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_is_in_set [2022-12-13 14:42:09,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2022-12-13 14:42:09,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_successful_malloc [2022-12-13 14:42:09,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2022-12-13 14:42:09,646 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-12-13 14:42:09,646 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-13 14:42:09,647 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:42:09,647 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:42:09,678 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:42:09,678 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:42:09,679 INFO L158 Benchmark]: Toolchain (without parser) took 5058.85ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 108.7MB in the beginning and 136.2MB in the end (delta: -27.5MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2022-12-13 14:42:09,679 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:42:09,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.59ms. Allocated memory is still 144.7MB. Free memory was 108.3MB in the beginning and 88.1MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 14:42:09,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.48ms. Allocated memory is still 144.7MB. Free memory was 88.1MB in the beginning and 85.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:42:09,679 INFO L158 Benchmark]: Boogie Preprocessor took 33.07ms. Allocated memory is still 144.7MB. Free memory was 85.7MB in the beginning and 83.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:42:09,680 INFO L158 Benchmark]: RCFGBuilder took 417.23ms. Allocated memory is still 144.7MB. Free memory was 83.2MB in the beginning and 106.5MB in the end (delta: -23.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-12-13 14:42:09,680 INFO L158 Benchmark]: TraceAbstraction took 4117.22ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 105.5MB in the beginning and 140.4MB in the end (delta: -34.9MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. [2022-12-13 14:42:09,680 INFO L158 Benchmark]: Witness Printer took 47.50ms. Allocated memory is still 174.1MB. Free memory was 140.4MB in the beginning and 136.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:42:09,681 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.59ms. Allocated memory is still 144.7MB. Free memory was 108.3MB in the beginning and 88.1MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.48ms. Allocated memory is still 144.7MB. Free memory was 88.1MB in the beginning and 85.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.07ms. Allocated memory is still 144.7MB. Free memory was 85.7MB in the beginning and 83.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 417.23ms. Allocated memory is still 144.7MB. Free memory was 83.2MB in the beginning and 106.5MB in the end (delta: -23.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4117.22ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 105.5MB in the beginning and 140.4MB in the end (delta: -34.9MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. * Witness Printer took 47.50ms. Allocated memory is still 174.1MB. Free memory was 140.4MB in the beginning and 136.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 693]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 693]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 75 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 5, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 350 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 214 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 566 IncrementalHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 136 mSDtfsCounter, 566 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 448 GetRequests, 382 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, InterpolantAutomatonStates: 49, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 61 PreInvPairs, 93 NumberOfFragments, 113 HoareAnnotationTreeSize, 61 FomulaSimplifications, 27 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 23 FomulaSimplificationsInter, 130 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 420 NumberOfCodeBlocks, 340 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 556 ConstructedInterpolants, 0 QuantifiedInterpolants, 1178 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1043 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 553/698 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: (N <= 2147483647 && 1 <= i) || (i == 0 && N <= 2147483647) - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 14:42:09,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4c27803-cd72-43d8-b2ef-a6eb651b613d/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 Writing output log to file Ultimate.log Result: TRUE