./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark25_linear_abstracted.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/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_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark25_linear_abstracted.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 97c1d17678c53e2e2f951b4c691da0ba39cf398fb4da22b8f394a0c53f1e8778 --- 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 12:10:37,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:10:37,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:10:37,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:10:37,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:10:37,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:10:37,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:10:37,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:10:37,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:10:37,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:10:37,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:10:37,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:10:37,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:10:37,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:10:37,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:10:37,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:10:37,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:10:37,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:10:37,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:10:37,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:10:37,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:10:37,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:10:37,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:10:37,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:10:37,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:10:37,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:10:37,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:10:37,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:10:37,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:10:37,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:10:37,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:10:37,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:10:37,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:10:37,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:10:37,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:10:37,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:10:37,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:10:37,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:10:37,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:10:37,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:10:37,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:10:37,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 12:10:37,166 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:10:37,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:10:37,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:10:37,166 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:10:37,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:10:37,167 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:10:37,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:10:37,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:10:37,168 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:10:37,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:10:37,168 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:10:37,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:10:37,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:10:37,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:10:37,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:10:37,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:10:37,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:10:37,169 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:10:37,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:10:37,169 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:10:37,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:10:37,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:10:37,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:10:37,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:10:37,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:10:37,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:10:37,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:10:37,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:10:37,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:10:37,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:10:37,171 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:10:37,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:10:37,171 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:10:37,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:10:37,171 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:10:37,171 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_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97c1d17678c53e2e2f951b4c691da0ba39cf398fb4da22b8f394a0c53f1e8778 [2022-12-13 12:10:37,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:10:37,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:10:37,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:10:37,367 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:10:37,367 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:10:37,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/loop-zilu/benchmark25_linear_abstracted.i [2022-12-13 12:10:39,905 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:10:40,055 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:10:40,056 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/sv-benchmarks/c/loop-zilu/benchmark25_linear_abstracted.i [2022-12-13 12:10:40,060 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/bin/uautomizer-uyxdKDjOR8/data/79c5a89b5/91a4c65853ff4a62b9e98b16b00e9853/FLAG0e31a8b3c [2022-12-13 12:10:40,070 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/bin/uautomizer-uyxdKDjOR8/data/79c5a89b5/91a4c65853ff4a62b9e98b16b00e9853 [2022-12-13 12:10:40,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:10:40,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:10:40,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:10:40,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:10:40,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:10:40,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:10:40" (1/1) ... [2022-12-13 12:10:40,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@540b9e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:40, skipping insertion in model container [2022-12-13 12:10:40,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:10:40" (1/1) ... [2022-12-13 12:10:40,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:10:40,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:10:40,195 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_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/sv-benchmarks/c/loop-zilu/benchmark25_linear_abstracted.i[904,917] [2022-12-13 12:10:40,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:10:40,208 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:10:40,217 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_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/sv-benchmarks/c/loop-zilu/benchmark25_linear_abstracted.i[904,917] [2022-12-13 12:10:40,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:10:40,228 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:10:40,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:40 WrapperNode [2022-12-13 12:10:40,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:10:40,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:10:40,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:10:40,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:10:40,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:40" (1/1) ... [2022-12-13 12:10:40,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:40" (1/1) ... [2022-12-13 12:10:40,250 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2022-12-13 12:10:40,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:10:40,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:10:40,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:10:40,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:10:40,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:40" (1/1) ... [2022-12-13 12:10:40,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:40" (1/1) ... [2022-12-13 12:10:40,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:40" (1/1) ... [2022-12-13 12:10:40,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:40" (1/1) ... [2022-12-13 12:10:40,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:40" (1/1) ... [2022-12-13 12:10:40,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:40" (1/1) ... [2022-12-13 12:10:40,261 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:40" (1/1) ... [2022-12-13 12:10:40,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:40" (1/1) ... [2022-12-13 12:10:40,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:10:40,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:10:40,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:10:40,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:10:40,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:40" (1/1) ... [2022-12-13 12:10:40,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:10:40,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:10:40,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:10:40,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:10:40,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:10:40,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:10:40,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:10:40,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:10:40,377 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:10:40,379 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:10:40,451 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:10:40,456 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:10:40,456 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:10:40,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:10:40 BoogieIcfgContainer [2022-12-13 12:10:40,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:10:40,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:10:40,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:10:40,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:10:40,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:10:40" (1/3) ... [2022-12-13 12:10:40,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3895f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:10:40, skipping insertion in model container [2022-12-13 12:10:40,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:40" (2/3) ... [2022-12-13 12:10:40,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3895f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:10:40, skipping insertion in model container [2022-12-13 12:10:40,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:10:40" (3/3) ... [2022-12-13 12:10:40,463 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark25_linear_abstracted.i [2022-12-13 12:10:40,477 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:10:40,477 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:10:40,511 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:10:40,515 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;@274f0ca6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:10:40,515 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 12:10:40,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 14 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 12:10:40,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 12:10:40,522 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:10:40,523 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:10:40,523 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:10:40,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:40,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1807458887, now seen corresponding path program 1 times [2022-12-13 12:10:40,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:40,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530235968] [2022-12-13 12:10:40,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:40,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:40,641 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 12:10:40,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:10:40,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530235968] [2022-12-13 12:10:40,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530235968] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:10:40,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:10:40,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:10:40,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820727751] [2022-12-13 12:10:40,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:10:40,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:10:40,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:10:40,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:10:40,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:10:40,671 INFO L87 Difference]: Start difference. First operand has 15 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 14 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) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 12:10:40,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:10:40,698 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2022-12-13 12:10:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:10:40,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2022-12-13 12:10:40,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:10:40,707 INFO L225 Difference]: With dead ends: 25 [2022-12-13 12:10:40,707 INFO L226 Difference]: Without dead ends: 11 [2022-12-13 12:10:40,709 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 12:10:40,711 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:10:40,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:10:40,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-13 12:10:40,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-12-13 12:10:40,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 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 12:10:40,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-12-13 12:10:40,734 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2022-12-13 12:10:40,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:10:40,734 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2022-12-13 12:10:40,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 12:10:40,734 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-12-13 12:10:40,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 12:10:40,735 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:10:40,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:10:40,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:10:40,735 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:10:40,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:40,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1069199920, now seen corresponding path program 1 times [2022-12-13 12:10:40,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:40,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390491721] [2022-12-13 12:10:40,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:40,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:40,865 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 12:10:40,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:10:40,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390491721] [2022-12-13 12:10:40,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390491721] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:10:40,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:10:40,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:10:40,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524911611] [2022-12-13 12:10:40,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:10:40,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:10:40,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:10:40,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:10:40,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:10:40,869 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) 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 12:10:40,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:10:40,903 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-12-13 12:10:40,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:10:40,903 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) 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 12:10:40,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:10:40,903 INFO L225 Difference]: With dead ends: 14 [2022-12-13 12:10:40,904 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 12:10:40,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:10:40,905 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:10:40,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 11 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:10:40,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 12:10:40,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 12:10:40,907 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 12:10:40,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 12:10:40,907 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2022-12-13 12:10:40,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:10:40,908 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:10:40,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) 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 12:10:40,908 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 12:10:40,908 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 12:10:40,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 12:10:40,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:10:40,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 12:10:40,917 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 12:10:40,917 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-12-13 12:10:40,917 INFO L899 garLoopResultBuilder]: For program point L23(lines 23 30) no Hoare annotation was computed. [2022-12-13 12:10:40,917 INFO L899 garLoopResultBuilder]: For program point L25-2(lines 23 30) no Hoare annotation was computed. [2022-12-13 12:10:40,917 INFO L899 garLoopResultBuilder]: For program point L23-1(lines 23 30) no Hoare annotation was computed. [2022-12-13 12:10:40,917 INFO L899 garLoopResultBuilder]: For program point L17(line 17) no Hoare annotation was computed. [2022-12-13 12:10:40,917 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 19) no Hoare annotation was computed. [2022-12-13 12:10:40,917 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 12:10:40,918 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 20 33) the Hoare annotation is: true [2022-12-13 12:10:40,918 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 12:10:40,918 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 12:10:40,918 INFO L899 garLoopResultBuilder]: For program point L26-1(lines 23 30) no Hoare annotation was computed. [2022-12-13 12:10:40,918 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2022-12-13 12:10:40,918 INFO L899 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed. [2022-12-13 12:10:40,919 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 18) no Hoare annotation was computed. [2022-12-13 12:10:40,921 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 12:10:40,923 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:10:40,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:10:40 BoogieIcfgContainer [2022-12-13 12:10:40,929 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:10:40,929 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:10:40,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:10:40,930 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:10:40,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:10:40" (3/4) ... [2022-12-13 12:10:40,932 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 12:10:40,939 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-13 12:10:40,939 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 12:10:40,940 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 12:10:40,940 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 12:10:40,970 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:10:40,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:10:40,971 INFO L158 Benchmark]: Toolchain (without parser) took 897.46ms. Allocated memory is still 157.3MB. Free memory was 123.7MB in the beginning and 65.6MB in the end (delta: 58.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-12-13 12:10:40,971 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 157.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:10:40,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.60ms. Allocated memory is still 157.3MB. Free memory was 123.7MB in the beginning and 113.8MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 12:10:40,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.99ms. Allocated memory is still 157.3MB. Free memory was 113.8MB in the beginning and 112.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:10:40,972 INFO L158 Benchmark]: Boogie Preprocessor took 11.48ms. Allocated memory is still 157.3MB. Free memory was 112.2MB in the beginning and 111.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:10:40,973 INFO L158 Benchmark]: RCFGBuilder took 194.86ms. Allocated memory is still 157.3MB. Free memory was 111.1MB in the beginning and 101.8MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 12:10:40,973 INFO L158 Benchmark]: TraceAbstraction took 470.04ms. Allocated memory is still 157.3MB. Free memory was 101.3MB in the beginning and 67.7MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-13 12:10:40,973 INFO L158 Benchmark]: Witness Printer took 40.85ms. Allocated memory is still 157.3MB. Free memory was 67.7MB in the beginning and 65.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:10:40,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 157.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.60ms. Allocated memory is still 157.3MB. Free memory was 123.7MB in the beginning and 113.8MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.99ms. Allocated memory is still 157.3MB. Free memory was 113.8MB in the beginning and 112.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 11.48ms. Allocated memory is still 157.3MB. Free memory was 112.2MB in the beginning and 111.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 194.86ms. Allocated memory is still 157.3MB. Free memory was 111.1MB in the beginning and 101.8MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 470.04ms. Allocated memory is still 157.3MB. Free memory was 101.3MB in the beginning and 67.7MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 40.85ms. Allocated memory is still 157.3MB. Free memory was 67.7MB in the beginning and 65.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 19 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 12:10:40,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1cfb74-9684-4c51-92d7-9d17cdeb033e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE