./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/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_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/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_9fa20840-8640-492b-9116-615c83135252/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 d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef --- 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 16:30:26,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:30:26,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:30:26,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:30:26,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:30:26,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:30:26,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:30:26,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:30:26,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:30:26,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:30:26,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:30:26,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:30:26,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:30:26,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:30:26,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:30:26,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:30:26,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:30:26,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:30:26,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:30:26,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:30:26,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:30:26,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:30:26,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:30:26,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:30:26,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:30:26,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:30:26,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:30:26,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:30:26,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:30:26,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:30:26,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:30:26,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:30:26,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:30:26,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:30:26,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:30:26,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:30:26,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:30:26,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:30:26,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:30:26,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:30:26,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:30:26,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 16:30:26,710 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:30:26,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:30:26,710 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:30:26,711 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:30:26,711 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:30:26,711 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:30:26,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:30:26,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:30:26,712 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:30:26,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:30:26,713 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:30:26,713 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:30:26,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:30:26,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:30:26,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:30:26,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:30:26,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:30:26,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:30:26,714 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:30:26,715 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:30:26,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:30:26,715 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:30:26,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:30:26,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:30:26,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:30:26,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:30:26,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:30:26,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:30:26,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:30:26,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:30:26,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:30:26,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:30:26,717 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:30:26,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:30:26,717 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:30:26,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:30:26,718 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:30:26,718 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_9fa20840-8640-492b-9116-615c83135252/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef [2022-12-13 16:30:26,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:30:26,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:30:26,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:30:26,938 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:30:26,938 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:30:26,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2022-12-13 16:30:29,576 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:30:29,775 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:30:29,775 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2022-12-13 16:30:29,784 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/data/15151e120/e4db21b5e4a544bda0b151b0617797bf/FLAGc296d3ba6 [2022-12-13 16:30:29,794 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/data/15151e120/e4db21b5e4a544bda0b151b0617797bf [2022-12-13 16:30:29,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:30:29,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:30:29,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:30:29,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:30:29,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:30:29,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:30:29" (1/1) ... [2022-12-13 16:30:29,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e2d0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:29, skipping insertion in model container [2022-12-13 16:30:29,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:30:29" (1/1) ... [2022-12-13 16:30:29,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:30:29,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:30:30,070 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_9fa20840-8640-492b-9116-615c83135252/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i[23611,23624] [2022-12-13 16:30:30,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:30:30,174 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:30:30,199 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_9fa20840-8640-492b-9116-615c83135252/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i[23611,23624] [2022-12-13 16:30:30,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:30:30,269 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:30:30,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:30 WrapperNode [2022-12-13 16:30:30,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:30:30,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:30:30,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:30:30,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:30:30,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:30" (1/1) ... [2022-12-13 16:30:30,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:30" (1/1) ... [2022-12-13 16:30:30,330 INFO L138 Inliner]: procedures = 145, calls = 317, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 523 [2022-12-13 16:30:30,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:30:30,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:30:30,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:30:30,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:30:30,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:30" (1/1) ... [2022-12-13 16:30:30,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:30" (1/1) ... [2022-12-13 16:30:30,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:30" (1/1) ... [2022-12-13 16:30:30,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:30" (1/1) ... [2022-12-13 16:30:30,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:30" (1/1) ... [2022-12-13 16:30:30,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:30" (1/1) ... [2022-12-13 16:30:30,376 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:30" (1/1) ... [2022-12-13 16:30:30,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:30" (1/1) ... [2022-12-13 16:30:30,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:30:30,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:30:30,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:30:30,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:30:30,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:30" (1/1) ... [2022-12-13 16:30:30,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:30:30,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:30,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:30,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:30:30,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 16:30:30,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 16:30:30,439 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 16:30:30,439 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 16:30:30,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:30:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 16:30:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 16:30:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2022-12-13 16:30:30,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2022-12-13 16:30:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-12-13 16:30:30,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-12-13 16:30:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 16:30:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-12-13 16:30:30,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-12-13 16:30:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-13 16:30:30,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-13 16:30:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 16:30:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 16:30:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-12-13 16:30:30,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-12-13 16:30:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:30:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2022-12-13 16:30:30,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2022-12-13 16:30:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:30:30,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:30:30,571 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:30:30,572 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:30:33,203 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:30:33,208 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:30:33,208 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 16:30:33,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:30:33 BoogieIcfgContainer [2022-12-13 16:30:33,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:30:33,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:30:33,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:30:33,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:30:33,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:30:29" (1/3) ... [2022-12-13 16:30:33,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d36361d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:30:33, skipping insertion in model container [2022-12-13 16:30:33,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:30" (2/3) ... [2022-12-13 16:30:33,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d36361d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:30:33, skipping insertion in model container [2022-12-13 16:30:33,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:30:33" (3/3) ... [2022-12-13 16:30:33,216 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_time_var_mutex.i [2022-12-13 16:30:33,230 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:30:33,230 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 16:30:33,267 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:30:33,272 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;@445e047b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:30:33,272 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 16:30:33,275 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 99 states have (on average 1.3838383838383839) internal successors, (137), 107 states have internal predecessors, (137), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-12-13 16:30:33,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 16:30:33,280 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:30:33,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 16:30:33,281 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:30:33,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:33,285 INFO L85 PathProgramCache]: Analyzing trace with hash 736391060, now seen corresponding path program 1 times [2022-12-13 16:30:33,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:33,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044856134] [2022-12-13 16:30:33,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:33,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:33,567 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 16:30:33,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:30:33,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044856134] [2022-12-13 16:30:33,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044856134] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:30:33,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:30:33,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:30:33,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361135744] [2022-12-13 16:30:33,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:30:33,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 16:30:33,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:30:33,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 16:30:33,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:30:33,595 INFO L87 Difference]: Start difference. First operand has 160 states, 99 states have (on average 1.3838383838383839) internal successors, (137), 107 states have internal predecessors, (137), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 16:30:33,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:30:33,630 INFO L93 Difference]: Finished difference Result 314 states and 491 transitions. [2022-12-13 16:30:33,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 16:30:33,632 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-13 16:30:33,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:30:33,636 INFO L225 Difference]: With dead ends: 314 [2022-12-13 16:30:33,636 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 16:30:33,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:30:33,642 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:30:33,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:30:33,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 16:30:33,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 16:30:33,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.5) internal successors, (15), 13 states have internal predecessors, (15), 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 16:30:33,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 16:30:33,664 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 6 [2022-12-13 16:30:33,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:30:33,665 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 16:30:33,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 16:30:33,665 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 16:30:33,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 16:30:33,665 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:30:33,665 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 16:30:33,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:30:33,666 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:30:33,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:33,666 INFO L85 PathProgramCache]: Analyzing trace with hash 736381450, now seen corresponding path program 1 times [2022-12-13 16:30:33,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:33,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444348680] [2022-12-13 16:30:33,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:33,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:33,792 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 16:30:33,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:30:33,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444348680] [2022-12-13 16:30:33,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444348680] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:30:33,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:30:33,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 16:30:33,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332943300] [2022-12-13 16:30:33,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:30:33,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:30:33,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:30:33,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:30:33,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:30:33,795 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 16:30:33,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:30:33,819 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2022-12-13 16:30:33,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:30:33,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-13 16:30:33,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:30:33,820 INFO L225 Difference]: With dead ends: 32 [2022-12-13 16:30:33,820 INFO L226 Difference]: Without dead ends: 20 [2022-12-13 16:30:33,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:30:33,822 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 5 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:30:33,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 22 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:30:33,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-12-13 16:30:33,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2022-12-13 16:30:33,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 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 16:30:33,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-13 16:30:33,825 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 6 [2022-12-13 16:30:33,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:30:33,825 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-13 16:30:33,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 16:30:33,826 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-13 16:30:33,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 16:30:33,826 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:30:33,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 16:30:33,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:30:33,826 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:30:33,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:33,827 INFO L85 PathProgramCache]: Analyzing trace with hash 736383116, now seen corresponding path program 1 times [2022-12-13 16:30:33,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:33,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897688290] [2022-12-13 16:30:33,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:33,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:33,951 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 16:30:33,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:30:33,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897688290] [2022-12-13 16:30:33,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897688290] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:30:33,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:30:33,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 16:30:33,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695313374] [2022-12-13 16:30:33,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:30:33,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:30:33,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:30:33,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:30:33,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:30:33,954 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 16:30:33,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:30:33,995 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2022-12-13 16:30:33,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:30:33,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-13 16:30:33,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:30:33,996 INFO L225 Difference]: With dead ends: 20 [2022-12-13 16:30:33,996 INFO L226 Difference]: Without dead ends: 18 [2022-12-13 16:30:33,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:30:33,997 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 3 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:30:33,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 28 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:30:33,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-12-13 16:30:33,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-12-13 16:30:33,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 17 states have internal predecessors, (19), 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 16:30:33,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2022-12-13 16:30:33,999 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 6 [2022-12-13 16:30:33,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:30:34,000 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-12-13 16:30:34,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 16:30:34,000 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-12-13 16:30:34,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 16:30:34,000 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:30:34,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:30:34,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 16:30:34,000 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:30:34,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:34,001 INFO L85 PathProgramCache]: Analyzing trace with hash 155987334, now seen corresponding path program 1 times [2022-12-13 16:30:34,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:34,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575341313] [2022-12-13 16:30:34,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:34,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:34,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:30:34,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:30:34,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575341313] [2022-12-13 16:30:34,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575341313] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:30:34,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814099945] [2022-12-13 16:30:34,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:34,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:30:34,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:34,137 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:30:34,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 16:30:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:34,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 16:30:34,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:30:34,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:30:34,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:30:34,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:30:34,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814099945] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:30:34,413 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 16:30:34,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-12-13 16:30:34,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673814972] [2022-12-13 16:30:34,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 16:30:34,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 16:30:34,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:30:34,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 16:30:34,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:30:34,415 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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 16:30:34,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:30:34,511 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2022-12-13 16:30:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:30:34,512 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-13 16:30:34,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:30:34,513 INFO L225 Difference]: With dead ends: 40 [2022-12-13 16:30:34,513 INFO L226 Difference]: Without dead ends: 24 [2022-12-13 16:30:34,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-12-13 16:30:34,514 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 14 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:30:34,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 41 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:30:34,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-12-13 16:30:34,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-12-13 16:30:34,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 22 states have internal predecessors, (25), 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 16:30:34,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2022-12-13 16:30:34,518 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 10 [2022-12-13 16:30:34,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:30:34,518 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-12-13 16:30:34,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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 16:30:34,518 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-12-13 16:30:34,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 16:30:34,519 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:30:34,519 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-12-13 16:30:34,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:30:34,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:30:34,720 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:30:34,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:34,720 INFO L85 PathProgramCache]: Analyzing trace with hash 155989000, now seen corresponding path program 1 times [2022-12-13 16:30:34,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:34,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213883700] [2022-12-13 16:30:34,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:34,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:34,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:30:34,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:30:34,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213883700] [2022-12-13 16:30:34,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213883700] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:30:34,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588092666] [2022-12-13 16:30:34,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:34,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:30:34,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:34,917 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:30:34,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 16:30:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:35,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 16:30:35,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:30:35,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:30:35,163 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:30:35,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588092666] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:30:35,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:30:35,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-13 16:30:35,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773058866] [2022-12-13 16:30:35,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:30:35,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 16:30:35,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:30:35,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:30:35,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 16:30:35,165 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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 16:30:35,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:30:35,235 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2022-12-13 16:30:35,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:30:35,236 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-13 16:30:35,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:30:35,237 INFO L225 Difference]: With dead ends: 24 [2022-12-13 16:30:35,237 INFO L226 Difference]: Without dead ends: 23 [2022-12-13 16:30:35,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-13 16:30:35,238 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 14 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:30:35,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 19 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:30:35,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-13 16:30:35,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-12-13 16:30:35,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 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 16:30:35,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2022-12-13 16:30:35,241 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 10 [2022-12-13 16:30:35,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:30:35,241 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2022-12-13 16:30:35,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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 16:30:35,241 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-12-13 16:30:35,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 16:30:35,242 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:30:35,242 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1] [2022-12-13 16:30:35,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 16:30:35,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:30:35,444 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:30:35,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:35,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1159645250, now seen corresponding path program 1 times [2022-12-13 16:30:35,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:35,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150077158] [2022-12-13 16:30:35,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:35,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:35,652 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 16:30:35,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:30:35,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150077158] [2022-12-13 16:30:35,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150077158] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:30:35,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:30:35,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 16:30:35,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101845366] [2022-12-13 16:30:35,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:30:35,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:30:35,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:30:35,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:30:35,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:30:35,654 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:30:35,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:30:35,680 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2022-12-13 16:30:35,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:30:35,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-12-13 16:30:35,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:30:35,681 INFO L225 Difference]: With dead ends: 22 [2022-12-13 16:30:35,681 INFO L226 Difference]: Without dead ends: 21 [2022-12-13 16:30:35,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:30:35,682 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:30:35,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 23 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:30:35,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-12-13 16:30:35,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-12-13 16:30:35,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 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 16:30:35,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2022-12-13 16:30:35,685 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 15 [2022-12-13 16:30:35,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:30:35,685 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2022-12-13 16:30:35,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:30:35,686 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-12-13 16:30:35,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-13 16:30:35,686 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:30:35,686 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2022-12-13 16:30:35,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 16:30:35,686 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:30:35,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:35,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1725471358, now seen corresponding path program 2 times [2022-12-13 16:30:35,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:35,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260585298] [2022-12-13 16:30:35,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:35,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:35,818 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 16:30:35,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:30:35,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260585298] [2022-12-13 16:30:35,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260585298] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:30:35,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:30:35,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 16:30:35,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790144385] [2022-12-13 16:30:35,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:30:35,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:30:35,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:30:35,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:30:35,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:30:35,819 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 16:30:35,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:30:35,894 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2022-12-13 16:30:35,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:30:35,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-13 16:30:35,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:30:35,894 INFO L225 Difference]: With dead ends: 40 [2022-12-13 16:30:35,894 INFO L226 Difference]: Without dead ends: 38 [2022-12-13 16:30:35,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:30:35,895 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 3 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:30:35,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:30:35,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-12-13 16:30:35,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-12-13 16:30:35,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 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 16:30:35,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2022-12-13 16:30:35,899 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 18 [2022-12-13 16:30:35,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:30:35,899 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2022-12-13 16:30:35,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 16:30:35,899 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2022-12-13 16:30:35,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-13 16:30:35,900 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:30:35,900 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1] [2022-12-13 16:30:35,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 16:30:35,900 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:30:35,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:35,900 INFO L85 PathProgramCache]: Analyzing trace with hash -136550584, now seen corresponding path program 1 times [2022-12-13 16:30:35,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:35,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198052723] [2022-12-13 16:30:35,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:35,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:36,108 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:30:36,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:30:36,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198052723] [2022-12-13 16:30:36,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198052723] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:30:36,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378695499] [2022-12-13 16:30:36,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:36,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:30:36,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:36,110 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:30:36,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 16:30:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:36,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 16:30:36,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:30:36,478 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 16:30:36,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:30:36,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378695499] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:30:36,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:30:36,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-13 16:30:36,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417115665] [2022-12-13 16:30:36,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:30:36,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 16:30:36,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:30:36,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:30:36,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 16:30:36,480 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 16:30:36,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:30:36,585 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2022-12-13 16:30:36,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:30:36,586 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-12-13 16:30:36,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:30:36,586 INFO L225 Difference]: With dead ends: 38 [2022-12-13 16:30:36,587 INFO L226 Difference]: Without dead ends: 37 [2022-12-13 16:30:36,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-13 16:30:36,587 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 8 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:30:36,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 25 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:30:36,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-12-13 16:30:36,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-12-13 16:30:36,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 36 states have internal predecessors, (39), 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 16:30:36,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2022-12-13 16:30:36,592 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 35 [2022-12-13 16:30:36,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:30:36,592 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2022-12-13 16:30:36,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 16:30:36,592 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2022-12-13 16:30:36,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-13 16:30:36,593 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:30:36,593 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1] [2022-12-13 16:30:36,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 16:30:36,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:30:36,794 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:30:36,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:36,795 INFO L85 PathProgramCache]: Analyzing trace with hash 61899394, now seen corresponding path program 1 times [2022-12-13 16:30:36,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:36,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848982120] [2022-12-13 16:30:36,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:36,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:37,017 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-13 16:30:37,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:30:37,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848982120] [2022-12-13 16:30:37,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848982120] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:30:37,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:30:37,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 16:30:37,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519597766] [2022-12-13 16:30:37,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:30:37,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:30:37,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:30:37,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:30:37,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:30:37,019 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 16:30:37,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:30:37,062 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2022-12-13 16:30:37,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:30:37,062 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-12-13 16:30:37,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:30:37,062 INFO L225 Difference]: With dead ends: 37 [2022-12-13 16:30:37,063 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 16:30:37,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:30:37,063 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:30:37,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 12 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:30:37,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 16:30:37,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 16:30:37,064 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 16:30:37,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 16:30:37,065 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-12-13 16:30:37,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:30:37,065 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:30:37,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 16:30:37,065 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 16:30:37,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 16:30:37,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-13 16:30:37,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-13 16:30:37,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-13 16:30:37,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-13 16:30:37,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-13 16:30:37,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-13 16:30:37,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-13 16:30:37,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-13 16:30:37,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 16:30:37,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 16:30:37,190 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5 7) the Hoare annotation is: true [2022-12-13 16:30:37,190 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-12-13 16:30:37,190 INFO L899 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-12-13 16:30:37,190 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-12-13 16:30:37,190 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 569 572) the Hoare annotation is: true [2022-12-13 16:30:37,191 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_mutex_initEXIT(lines 569 572) no Hoare annotation was computed. [2022-12-13 16:30:37,191 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_mutex_initFINAL(lines 569 572) no Hoare annotation was computed. [2022-12-13 16:30:37,191 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-12-13 16:30:37,191 INFO L899 garLoopResultBuilder]: For program point L575-2(lines 575 579) no Hoare annotation was computed. [2022-12-13 16:30:37,191 INFO L899 garLoopResultBuilder]: For program point L575-4(lines 575 579) no Hoare annotation was computed. [2022-12-13 16:30:37,191 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_mutex_destroyFINAL(lines 573 581) no Hoare annotation was computed. [2022-12-13 16:30:37,191 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 573 581) the Hoare annotation is: true [2022-12-13 16:30:37,191 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_mutex_destroyEXIT(lines 573 581) no Hoare annotation was computed. [2022-12-13 16:30:37,191 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_joinEXIT(lines 642 663) no Hoare annotation was computed. [2022-12-13 16:30:37,191 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_joinFINAL(lines 642 663) no Hoare annotation was computed. [2022-12-13 16:30:37,191 INFO L902 garLoopResultBuilder]: At program point L661(line 661) the Hoare annotation is: true [2022-12-13 16:30:37,191 INFO L899 garLoopResultBuilder]: For program point L661-1(line 661) no Hoare annotation was computed. [2022-12-13 16:30:37,192 INFO L899 garLoopResultBuilder]: For program point L655(lines 655 660) no Hoare annotation was computed. [2022-12-13 16:30:37,192 INFO L899 garLoopResultBuilder]: For program point L650(line 650) no Hoare annotation was computed. [2022-12-13 16:30:37,192 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 642 663) the Hoare annotation is: true [2022-12-13 16:30:37,192 INFO L899 garLoopResultBuilder]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2022-12-13 16:30:37,192 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 649) no Hoare annotation was computed. [2022-12-13 16:30:37,192 INFO L899 garLoopResultBuilder]: For program point L770-1(line 770) no Hoare annotation was computed. [2022-12-13 16:30:37,192 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 641) no Hoare annotation was computed. [2022-12-13 16:30:37,192 INFO L902 garLoopResultBuilder]: At program point L766(line 766) the Hoare annotation is: true [2022-12-13 16:30:37,192 INFO L899 garLoopResultBuilder]: For program point L766-1(line 766) no Hoare annotation was computed. [2022-12-13 16:30:37,192 INFO L902 garLoopResultBuilder]: At program point L762(line 762) the Hoare annotation is: true [2022-12-13 16:30:37,192 INFO L899 garLoopResultBuilder]: For program point L762-1(line 762) no Hoare annotation was computed. [2022-12-13 16:30:37,192 INFO L902 garLoopResultBuilder]: At program point L775(line 775) the Hoare annotation is: true [2022-12-13 16:30:37,193 INFO L899 garLoopResultBuilder]: For program point L775-1(lines 754 776) no Hoare annotation was computed. [2022-12-13 16:30:37,193 INFO L902 garLoopResultBuilder]: At program point L771(line 771) the Hoare annotation is: true [2022-12-13 16:30:37,193 INFO L899 garLoopResultBuilder]: For program point L771-1(lines 754 776) no Hoare annotation was computed. [2022-12-13 16:30:37,193 INFO L902 garLoopResultBuilder]: At program point L767(line 767) the Hoare annotation is: true [2022-12-13 16:30:37,193 INFO L899 garLoopResultBuilder]: For program point L767-1(lines 754 776) no Hoare annotation was computed. [2022-12-13 16:30:37,193 INFO L902 garLoopResultBuilder]: At program point L763(line 763) the Hoare annotation is: true [2022-12-13 16:30:37,193 INFO L899 garLoopResultBuilder]: For program point L763-1(lines 754 776) no Hoare annotation was computed. [2022-12-13 16:30:37,193 INFO L902 garLoopResultBuilder]: At program point L759(line 759) the Hoare annotation is: true [2022-12-13 16:30:37,193 INFO L899 garLoopResultBuilder]: For program point L759-1(lines 754 776) no Hoare annotation was computed. [2022-12-13 16:30:37,193 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~$Pointer$FINAL(line -1) no Hoare annotation was computed. [2022-12-13 16:30:37,193 INFO L902 garLoopResultBuilder]: At program point L772(line 772) the Hoare annotation is: true [2022-12-13 16:30:37,193 INFO L899 garLoopResultBuilder]: For program point L772-1(line 772) no Hoare annotation was computed. [2022-12-13 16:30:37,194 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~$Pointer$EXIT(line -1) no Hoare annotation was computed. [2022-12-13 16:30:37,194 INFO L899 garLoopResultBuilder]: For program point L640(line 640) no Hoare annotation was computed. [2022-12-13 16:30:37,194 INFO L902 garLoopResultBuilder]: At program point L768(line 768) the Hoare annotation is: true [2022-12-13 16:30:37,194 INFO L899 garLoopResultBuilder]: For program point L768-1(line 768) no Hoare annotation was computed. [2022-12-13 16:30:37,194 INFO L902 garLoopResultBuilder]: At program point L764(line 764) the Hoare annotation is: true [2022-12-13 16:30:37,194 INFO L899 garLoopResultBuilder]: For program point L764-1(line 764) no Hoare annotation was computed. [2022-12-13 16:30:37,194 INFO L902 garLoopResultBuilder]: At program point L760(line 760) the Hoare annotation is: true [2022-12-13 16:30:37,194 INFO L899 garLoopResultBuilder]: For program point L760-1(line 760) no Hoare annotation was computed. [2022-12-13 16:30:37,194 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-13 16:30:37,194 INFO L902 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: true [2022-12-13 16:30:37,194 INFO L899 garLoopResultBuilder]: For program point L773-1(lines 754 776) no Hoare annotation was computed. [2022-12-13 16:30:37,194 INFO L902 garLoopResultBuilder]: At program point L769(line 769) the Hoare annotation is: true [2022-12-13 16:30:37,194 INFO L899 garLoopResultBuilder]: For program point L769-1(lines 754 776) no Hoare annotation was computed. [2022-12-13 16:30:37,195 INFO L902 garLoopResultBuilder]: At program point L765(line 765) the Hoare annotation is: true [2022-12-13 16:30:37,195 INFO L899 garLoopResultBuilder]: For program point L765-1(lines 754 776) no Hoare annotation was computed. [2022-12-13 16:30:37,195 INFO L902 garLoopResultBuilder]: At program point L761(line 761) the Hoare annotation is: true [2022-12-13 16:30:37,195 INFO L899 garLoopResultBuilder]: For program point L761-1(lines 754 776) no Hoare annotation was computed. [2022-12-13 16:30:37,195 INFO L902 garLoopResultBuilder]: At program point L757(line 757) the Hoare annotation is: true [2022-12-13 16:30:37,195 INFO L899 garLoopResultBuilder]: For program point L757-1(lines 754 776) no Hoare annotation was computed. [2022-12-13 16:30:37,195 INFO L902 garLoopResultBuilder]: At program point L753(lines 753 776) the Hoare annotation is: true [2022-12-13 16:30:37,195 INFO L902 garLoopResultBuilder]: At program point L774(line 774) the Hoare annotation is: true [2022-12-13 16:30:37,195 INFO L899 garLoopResultBuilder]: For program point L774-1(line 774) no Hoare annotation was computed. [2022-12-13 16:30:37,195 INFO L902 garLoopResultBuilder]: At program point L770(line 770) the Hoare annotation is: true [2022-12-13 16:30:37,195 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_createFINAL(lines 664 677) no Hoare annotation was computed. [2022-12-13 16:30:37,195 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 669) no Hoare annotation was computed. [2022-12-13 16:30:37,196 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_createEXIT(lines 664 677) no Hoare annotation was computed. [2022-12-13 16:30:37,196 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 664 677) the Hoare annotation is: true [2022-12-13 16:30:37,196 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 787) no Hoare annotation was computed. [2022-12-13 16:30:37,196 INFO L902 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: true [2022-12-13 16:30:37,196 INFO L899 garLoopResultBuilder]: For program point L861-1(line 861) no Hoare annotation was computed. [2022-12-13 16:30:37,196 INFO L902 garLoopResultBuilder]: At program point L853(line 853) the Hoare annotation is: true [2022-12-13 16:30:37,196 INFO L899 garLoopResultBuilder]: For program point L853-1(line 853) no Hoare annotation was computed. [2022-12-13 16:30:37,196 INFO L899 garLoopResultBuilder]: For program point L787-2(lines 787 797) no Hoare annotation was computed. [2022-12-13 16:30:37,196 INFO L899 garLoopResultBuilder]: For program point L787-3(line 787) no Hoare annotation was computed. [2022-12-13 16:30:37,196 INFO L899 garLoopResultBuilder]: For program point L787-4(line 787) no Hoare annotation was computed. [2022-12-13 16:30:37,197 INFO L895 garLoopResultBuilder]: At program point L787-5(lines 787 797) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-12-13 16:30:37,197 INFO L899 garLoopResultBuilder]: For program point L787-6(lines 787 797) no Hoare annotation was computed. [2022-12-13 16:30:37,197 INFO L902 garLoopResultBuilder]: At program point L845(line 845) the Hoare annotation is: true [2022-12-13 16:30:37,197 INFO L899 garLoopResultBuilder]: For program point L845-1(line 845) no Hoare annotation was computed. [2022-12-13 16:30:37,197 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 793) no Hoare annotation was computed. [2022-12-13 16:30:37,197 INFO L902 garLoopResultBuilder]: At program point L862(line 862) the Hoare annotation is: true [2022-12-13 16:30:37,197 INFO L902 garLoopResultBuilder]: At program point L829(line 829) the Hoare annotation is: true [2022-12-13 16:30:37,197 INFO L899 garLoopResultBuilder]: For program point L862-1(line 862) no Hoare annotation was computed. [2022-12-13 16:30:37,197 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 16:30:37,197 INFO L899 garLoopResultBuilder]: For program point L829-1(line 829) no Hoare annotation was computed. [2022-12-13 16:30:37,197 INFO L902 garLoopResultBuilder]: At program point L854(line 854) the Hoare annotation is: true [2022-12-13 16:30:37,198 INFO L899 garLoopResultBuilder]: For program point L854-1(line 854) no Hoare annotation was computed. [2022-12-13 16:30:37,198 INFO L902 garLoopResultBuilder]: At program point L846(line 846) the Hoare annotation is: true [2022-12-13 16:30:37,198 INFO L899 garLoopResultBuilder]: For program point L846-1(line 846) no Hoare annotation was computed. [2022-12-13 16:30:37,198 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 843) no Hoare annotation was computed. [2022-12-13 16:30:37,198 INFO L899 garLoopResultBuilder]: For program point L838-1(lines 838 843) no Hoare annotation was computed. [2022-12-13 16:30:37,198 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 793) no Hoare annotation was computed. [2022-12-13 16:30:37,198 INFO L902 garLoopResultBuilder]: At program point L863(line 863) the Hoare annotation is: true [2022-12-13 16:30:37,198 INFO L899 garLoopResultBuilder]: For program point L830(line 830) no Hoare annotation was computed. [2022-12-13 16:30:37,198 INFO L899 garLoopResultBuilder]: For program point L863-1(line 863) no Hoare annotation was computed. [2022-12-13 16:30:37,198 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 543) no Hoare annotation was computed. [2022-12-13 16:30:37,198 INFO L902 garLoopResultBuilder]: At program point L541-2(lines 540 545) the Hoare annotation is: true [2022-12-13 16:30:37,198 INFO L902 garLoopResultBuilder]: At program point L855(line 855) the Hoare annotation is: true [2022-12-13 16:30:37,198 INFO L899 garLoopResultBuilder]: For program point L855-1(line 855) no Hoare annotation was computed. [2022-12-13 16:30:37,199 INFO L902 garLoopResultBuilder]: At program point L847(line 847) the Hoare annotation is: true [2022-12-13 16:30:37,199 INFO L899 garLoopResultBuilder]: For program point L847-1(line 847) no Hoare annotation was computed. [2022-12-13 16:30:37,199 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 16:30:37,199 INFO L902 garLoopResultBuilder]: At program point L864(line 864) the Hoare annotation is: true [2022-12-13 16:30:37,199 INFO L899 garLoopResultBuilder]: For program point L864-1(line 864) no Hoare annotation was computed. [2022-12-13 16:30:37,199 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-12-13 16:30:37,199 INFO L902 garLoopResultBuilder]: At program point L856(line 856) the Hoare annotation is: true [2022-12-13 16:30:37,199 INFO L899 garLoopResultBuilder]: For program point L856-1(line 856) no Hoare annotation was computed. [2022-12-13 16:30:37,199 INFO L902 garLoopResultBuilder]: At program point L848(line 848) the Hoare annotation is: true [2022-12-13 16:30:37,199 INFO L899 garLoopResultBuilder]: For program point L848-1(line 848) no Hoare annotation was computed. [2022-12-13 16:30:37,199 INFO L902 garLoopResultBuilder]: At program point L865(line 865) the Hoare annotation is: true [2022-12-13 16:30:37,199 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 837) no Hoare annotation was computed. [2022-12-13 16:30:37,199 INFO L899 garLoopResultBuilder]: For program point L865-1(line 865) no Hoare annotation was computed. [2022-12-13 16:30:37,200 INFO L899 garLoopResultBuilder]: For program point L832-1(lines 832 837) no Hoare annotation was computed. [2022-12-13 16:30:37,200 INFO L902 garLoopResultBuilder]: At program point L857(line 857) the Hoare annotation is: true [2022-12-13 16:30:37,200 INFO L899 garLoopResultBuilder]: For program point L857-1(line 857) no Hoare annotation was computed. [2022-12-13 16:30:37,200 INFO L902 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: true [2022-12-13 16:30:37,200 INFO L899 garLoopResultBuilder]: For program point L849-1(line 849) no Hoare annotation was computed. [2022-12-13 16:30:37,200 INFO L902 garLoopResultBuilder]: At program point L841(line 841) the Hoare annotation is: true [2022-12-13 16:30:37,200 INFO L899 garLoopResultBuilder]: For program point L841-1(line 841) no Hoare annotation was computed. [2022-12-13 16:30:37,200 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 16:30:37,200 INFO L902 garLoopResultBuilder]: At program point L858(line 858) the Hoare annotation is: true [2022-12-13 16:30:37,200 INFO L899 garLoopResultBuilder]: For program point L858-1(line 858) no Hoare annotation was computed. [2022-12-13 16:30:37,200 INFO L902 garLoopResultBuilder]: At program point L850(line 850) the Hoare annotation is: true [2022-12-13 16:30:37,200 INFO L899 garLoopResultBuilder]: For program point L850-1(line 850) no Hoare annotation was computed. [2022-12-13 16:30:37,201 INFO L899 garLoopResultBuilder]: For program point L842(line 842) no Hoare annotation was computed. [2022-12-13 16:30:37,201 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 16:30:37,201 INFO L902 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: true [2022-12-13 16:30:37,201 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 831) no Hoare annotation was computed. [2022-12-13 16:30:37,201 INFO L899 garLoopResultBuilder]: For program point L859-1(line 859) no Hoare annotation was computed. [2022-12-13 16:30:37,201 INFO L899 garLoopResultBuilder]: For program point L826-1(lines 826 831) no Hoare annotation was computed. [2022-12-13 16:30:37,201 INFO L899 garLoopResultBuilder]: For program point L793-2(lines 793 796) no Hoare annotation was computed. [2022-12-13 16:30:37,201 INFO L899 garLoopResultBuilder]: For program point L793-3(line 793) no Hoare annotation was computed. [2022-12-13 16:30:37,201 INFO L899 garLoopResultBuilder]: For program point L793-4(line 793) no Hoare annotation was computed. [2022-12-13 16:30:37,201 INFO L895 garLoopResultBuilder]: At program point L793-5(lines 793 796) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~i~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~j~2#1| 0)) (.cse3 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse4 (<= |ULTIMATE.start_main_~i~0#1| 2)) (.cse2 (<= 1 |ULTIMATE.start_main_~j~2#1|))) (or (and .cse0 .cse1) (and .cse0 .cse2) (and .cse3 .cse4 .cse1) (and .cse3 .cse4 .cse2))) [2022-12-13 16:30:37,201 INFO L902 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: true [2022-12-13 16:30:37,201 INFO L899 garLoopResultBuilder]: For program point L851-1(line 851) no Hoare annotation was computed. [2022-12-13 16:30:37,202 INFO L899 garLoopResultBuilder]: For program point L777(lines 777 867) no Hoare annotation was computed. [2022-12-13 16:30:37,202 INFO L902 garLoopResultBuilder]: At program point L835(line 835) the Hoare annotation is: true [2022-12-13 16:30:37,202 INFO L899 garLoopResultBuilder]: For program point L835-1(line 835) no Hoare annotation was computed. [2022-12-13 16:30:37,202 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 787) no Hoare annotation was computed. [2022-12-13 16:30:37,202 INFO L902 garLoopResultBuilder]: At program point L860(line 860) the Hoare annotation is: true [2022-12-13 16:30:37,202 INFO L899 garLoopResultBuilder]: For program point L860-1(line 860) no Hoare annotation was computed. [2022-12-13 16:30:37,202 INFO L902 garLoopResultBuilder]: At program point L852(line 852) the Hoare annotation is: true [2022-12-13 16:30:37,202 INFO L899 garLoopResultBuilder]: For program point L852-1(line 852) no Hoare annotation was computed. [2022-12-13 16:30:37,202 INFO L902 garLoopResultBuilder]: At program point L844(line 844) the Hoare annotation is: true [2022-12-13 16:30:37,202 INFO L899 garLoopResultBuilder]: For program point L844-1(line 844) no Hoare annotation was computed. [2022-12-13 16:30:37,202 INFO L899 garLoopResultBuilder]: For program point L836(line 836) no Hoare annotation was computed. [2022-12-13 16:30:37,202 INFO L899 garLoopResultBuilder]: For program point __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 565) no Hoare annotation was computed. [2022-12-13 16:30:37,203 INFO L899 garLoopResultBuilder]: For program point __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 565) no Hoare annotation was computed. [2022-12-13 16:30:37,203 INFO L899 garLoopResultBuilder]: For program point __CS_csEXIT(lines 562 568) no Hoare annotation was computed. [2022-12-13 16:30:37,203 INFO L899 garLoopResultBuilder]: For program point __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 566) no Hoare annotation was computed. [2022-12-13 16:30:37,203 INFO L899 garLoopResultBuilder]: For program point __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 566) no Hoare annotation was computed. [2022-12-13 16:30:37,203 INFO L899 garLoopResultBuilder]: For program point __CS_csFINAL(lines 562 568) no Hoare annotation was computed. [2022-12-13 16:30:37,203 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 562 568) the Hoare annotation is: true [2022-12-13 16:30:37,203 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-12-13 16:30:37,203 INFO L899 garLoopResultBuilder]: For program point L565(line 565) no Hoare annotation was computed. [2022-12-13 16:30:37,203 INFO L899 garLoopResultBuilder]: For program point L565-1(line 565) no Hoare annotation was computed. [2022-12-13 16:30:37,203 INFO L902 garLoopResultBuilder]: At program point L565-2(line 565) the Hoare annotation is: true [2022-12-13 16:30:37,203 INFO L899 garLoopResultBuilder]: For program point L565-3(line 565) no Hoare annotation was computed. [2022-12-13 16:30:37,206 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:30:37,208 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:30:37,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:30:37 BoogieIcfgContainer [2022-12-13 16:30:37,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:30:37,220 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:30:37,220 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:30:37,220 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:30:37,221 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:30:33" (3/4) ... [2022-12-13 16:30:37,223 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 16:30:37,229 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_mutex_destroy [2022-12-13 16:30:37,230 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2022-12-13 16:30:37,230 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-13 16:30:37,230 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2022-12-13 16:30:37,230 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-13 16:30:37,230 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2022-12-13 16:30:37,230 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_mutex_init [2022-12-13 16:30:37,239 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2022-12-13 16:30:37,239 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-13 16:30:37,240 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-13 16:30:37,241 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 16:30:37,241 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 16:30:37,309 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:30:37,309 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:30:37,309 INFO L158 Benchmark]: Toolchain (without parser) took 7512.06ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 111.4MB in the beginning and 62.7MB in the end (delta: 48.7MB). Peak memory consumption was 120.1MB. Max. memory is 16.1GB. [2022-12-13 16:30:37,309 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 148.9MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:30:37,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.28ms. Allocated memory is still 148.9MB. Free memory was 111.4MB in the beginning and 84.6MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-13 16:30:37,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.99ms. Allocated memory is still 148.9MB. Free memory was 84.6MB in the beginning and 79.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 16:30:37,310 INFO L158 Benchmark]: Boogie Preprocessor took 50.79ms. Allocated memory is still 148.9MB. Free memory was 79.9MB in the beginning and 76.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 16:30:37,310 INFO L158 Benchmark]: RCFGBuilder took 2827.53ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 76.3MB in the beginning and 75.0MB in the end (delta: 1.3MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2022-12-13 16:30:37,310 INFO L158 Benchmark]: TraceAbstraction took 4007.91ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 74.0MB in the beginning and 73.1MB in the end (delta: 847.2kB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2022-12-13 16:30:37,310 INFO L158 Benchmark]: Witness Printer took 88.94ms. Allocated memory is still 218.1MB. Free memory was 73.1MB in the beginning and 62.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 16:30:37,311 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 148.9MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 471.28ms. Allocated memory is still 148.9MB. Free memory was 111.4MB in the beginning and 84.6MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.99ms. Allocated memory is still 148.9MB. Free memory was 84.6MB in the beginning and 79.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.79ms. Allocated memory is still 148.9MB. Free memory was 79.9MB in the beginning and 76.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2827.53ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 76.3MB in the beginning and 75.0MB in the end (delta: 1.3MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4007.91ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 74.0MB in the beginning and 73.1MB in the end (delta: 847.2kB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Witness Printer took 88.94ms. Allocated memory is still 218.1MB. Free memory was 73.1MB in the beginning and 62.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 787]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 787]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: 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 8 procedures, 160 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 9, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 410 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 295 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=0, InterpolantAutomatonStates: 42, 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, 9 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 256 PreInvPairs, 346 NumberOfFragments, 96 HoareAnnotationTreeSize, 256 FomulaSimplifications, 43 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 56 FomulaSimplificationsInter, 46 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 462 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2003 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 213/265 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 8 specifications checked. All of them hold - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: (((i == 0 && j == 0) || (i == 0 && 1 <= j)) || ((1 <= i && i <= 2) && j == 0)) || ((1 <= i && i <= 2) && 1 <= j) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 16:30:37,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa20840-8640-492b-9116-615c83135252/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE