./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p02.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/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_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/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 64bit --witnessprinter.graph.data.programhash 61f39d278d6c27668570468b83b559da0d04299b5fd13eb99d06ed42eb678a84 --- 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 21:39:31,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:39:31,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:39:31,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:39:31,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:39:31,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:39:31,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:39:31,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:39:31,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:39:31,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:39:31,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:39:31,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:39:31,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:39:31,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:39:31,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:39:31,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:39:31,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:39:31,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:39:31,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:39:31,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:39:31,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:39:31,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:39:31,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:39:31,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:39:31,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:39:31,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:39:31,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:39:31,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:39:31,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:39:31,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:39:31,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:39:31,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:39:31,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:39:31,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:39:31,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:39:31,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:39:31,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:39:31,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:39:31,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:39:31,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:39:31,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:39:31,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 21:39:31,386 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:39:31,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:39:31,387 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:39:31,387 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:39:31,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:39:31,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:39:31,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:39:31,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:39:31,389 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:39:31,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:39:31,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:39:31,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:39:31,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:39:31,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:39:31,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:39:31,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:39:31,391 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:39:31,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:39:31,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:39:31,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:39:31,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:39:31,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:39:31,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:39:31,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:39:31,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:39:31,392 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:39:31,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:39:31,393 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:39:31,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:39:31,393 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:39:31,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:39:31,393 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:39:31,394 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_26202c5d-57c9-434a-92fb-6939567d5868/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61f39d278d6c27668570468b83b559da0d04299b5fd13eb99d06ed42eb678a84 [2022-12-13 21:39:31,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:39:31,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:39:31,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:39:31,600 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:39:31,601 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:39:31,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p02.c [2022-12-13 21:39:34,185 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:39:34,324 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:39:34,325 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p02.c [2022-12-13 21:39:34,330 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/data/689cc4b6d/a1aa45e0f9d3458b94a726f86f00ec3b/FLAGf3439be8b [2022-12-13 21:39:34,340 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/data/689cc4b6d/a1aa45e0f9d3458b94a726f86f00ec3b [2022-12-13 21:39:34,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:39:34,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:39:34,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:39:34,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:39:34,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:39:34,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:39:34" (1/1) ... [2022-12-13 21:39:34,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7910cd18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:34, skipping insertion in model container [2022-12-13 21:39:34,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:39:34" (1/1) ... [2022-12-13 21:39:34,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:39:34,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:39:34,487 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p02.c[1107,1120] [2022-12-13 21:39:34,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:39:34,525 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:39:34,533 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_26202c5d-57c9-434a-92fb-6939567d5868/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p02.c[1107,1120] [2022-12-13 21:39:34,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:39:34,557 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:39:34,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:34 WrapperNode [2022-12-13 21:39:34,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:39:34,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:39:34,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:39:34,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:39:34,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:34" (1/1) ... [2022-12-13 21:39:34,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:34" (1/1) ... [2022-12-13 21:39:34,595 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 142 [2022-12-13 21:39:34,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:39:34,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:39:34,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:39:34,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:39:34,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:34" (1/1) ... [2022-12-13 21:39:34,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:34" (1/1) ... [2022-12-13 21:39:34,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:34" (1/1) ... [2022-12-13 21:39:34,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:34" (1/1) ... [2022-12-13 21:39:34,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:34" (1/1) ... [2022-12-13 21:39:34,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:34" (1/1) ... [2022-12-13 21:39:34,612 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:34" (1/1) ... [2022-12-13 21:39:34,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:34" (1/1) ... [2022-12-13 21:39:34,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:39:34,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:39:34,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:39:34,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:39:34,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:34" (1/1) ... [2022-12-13 21:39:34,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:39:34,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:39:34,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:39:34,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:39:34,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:39:34,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:39:34,745 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:39:34,747 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:39:34,891 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:39:34,897 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:39:34,897 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 21:39:34,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:39:34 BoogieIcfgContainer [2022-12-13 21:39:34,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:39:34,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:39:34,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:39:34,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:39:34,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:39:34" (1/3) ... [2022-12-13 21:39:34,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49b672a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:39:34, skipping insertion in model container [2022-12-13 21:39:34,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:34" (2/3) ... [2022-12-13 21:39:34,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49b672a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:39:34, skipping insertion in model container [2022-12-13 21:39:34,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:39:34" (3/3) ... [2022-12-13 21:39:34,908 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p02.c [2022-12-13 21:39:34,927 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:39:34,928 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 21:39:34,975 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:39:34,982 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;@7d21e6a9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:39:34,983 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 21:39:34,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:39:34,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 21:39:34,994 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:39:34,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 21:39:34,995 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:39:35,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:39:35,001 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 21:39:35,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:39:35,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046320605] [2022-12-13 21:39:35,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:39:35,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:39:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:39:35,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:39:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:39:35,260 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:39:35,262 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:39:35,271 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 21:39:35,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:39:35,277 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 21:39:35,280 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:39:35,296 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 21:39:35,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:39:35 BoogieIcfgContainer [2022-12-13 21:39:35,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:39:35,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:39:35,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:39:35,305 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:39:35,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:39:34" (3/4) ... [2022-12-13 21:39:35,317 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 21:39:35,317 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:39:35,319 INFO L158 Benchmark]: Toolchain (without parser) took 975.33ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 110.1MB in the beginning and 151.9MB in the end (delta: -41.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:39:35,319 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 148.9MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:39:35,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.95ms. Allocated memory is still 148.9MB. Free memory was 109.7MB in the beginning and 98.3MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 21:39:35,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.43ms. Allocated memory is still 148.9MB. Free memory was 98.3MB in the beginning and 96.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:39:35,321 INFO L158 Benchmark]: Boogie Preprocessor took 18.31ms. Allocated memory is still 148.9MB. Free memory was 96.2MB in the beginning and 95.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:39:35,321 INFO L158 Benchmark]: RCFGBuilder took 284.34ms. Allocated memory is still 148.9MB. Free memory was 95.0MB in the beginning and 79.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 21:39:35,322 INFO L158 Benchmark]: TraceAbstraction took 401.63ms. Allocated memory is still 148.9MB. Free memory was 79.5MB in the beginning and 117.5MB in the end (delta: -38.0MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2022-12-13 21:39:35,323 INFO L158 Benchmark]: Witness Printer took 12.98ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 117.5MB in the beginning and 151.9MB in the end (delta: -34.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:39:35,325 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 148.9MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.95ms. Allocated memory is still 148.9MB. Free memory was 109.7MB in the beginning and 98.3MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.43ms. Allocated memory is still 148.9MB. Free memory was 98.3MB in the beginning and 96.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.31ms. Allocated memory is still 148.9MB. Free memory was 96.2MB in the beginning and 95.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.34ms. Allocated memory is still 148.9MB. Free memory was 95.0MB in the beginning and 79.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 401.63ms. Allocated memory is still 148.9MB. Free memory was 79.5MB in the beginning and 117.5MB in the end (delta: -38.0MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Witness Printer took 12.98ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 117.5MB in the beginning and 151.9MB in the end (delta: -34.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 118, overapproximation of bitwiseAnd at line 112. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L31] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 4); [L32] const SORT_7 msb_SORT_7 = (SORT_7)1 << (4 - 1); [L34] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 32); [L35] const SORT_12 msb_SORT_12 = (SORT_12)1 << (32 - 1); [L37] const SORT_66 mask_SORT_66 = (SORT_66)-1 >> (sizeof(SORT_66) * 8 - 10); [L38] const SORT_66 msb_SORT_66 = (SORT_66)1 << (10 - 1); [L40] const SORT_7 var_8 = 0; [L41] const SORT_12 var_14 = 0; [L42] const SORT_1 var_18 = 1; [L43] const SORT_1 var_22 = 0; [L45] SORT_1 input_2; [L46] SORT_3 input_4; [L47] SORT_1 input_5; [L48] SORT_1 input_6; [L49] SORT_1 input_25; [L50] SORT_1 input_27; [L51] SORT_1 input_29; [L52] SORT_7 input_31; [L53] SORT_1 input_33; [L54] SORT_1 input_35; [L55] SORT_1 input_37; [L56] SORT_1 input_39; [L57] SORT_1 input_41; [L58] SORT_1 input_43; [L59] SORT_1 input_45; [L60] SORT_1 input_47; [L61] SORT_3 input_49; [L62] SORT_1 input_52; [L63] SORT_1 input_54; [L64] SORT_1 input_56; [L65] SORT_1 input_58; [L66] SORT_1 input_60; [L67] SORT_1 input_62; [L68] SORT_1 input_64; [L69] SORT_66 input_67; [L70] SORT_1 input_69; [L72] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L73] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] SORT_7 init_10_arg_1 = var_8; [L76] state_9 = init_10_arg_1 [L77] SORT_1 init_24_arg_1 = var_22; [L78] state_23 = init_24_arg_1 VAL [init_10_arg_1=0, init_24_arg_1=0, mask_SORT_1=1, mask_SORT_12=4294967295, mask_SORT_3=255, mask_SORT_66=1023, mask_SORT_7=15, msb_SORT_1=1, msb_SORT_12=2147483648, msb_SORT_3=128, msb_SORT_66=512, msb_SORT_7=8, state_23=0, state_9=0, var_14=0, var_18=1, var_22=0, var_8=0] [L81] input_2 = __VERIFIER_nondet_uchar() [L82] input_4 = __VERIFIER_nondet_uchar() [L83] input_5 = __VERIFIER_nondet_uchar() [L84] input_6 = __VERIFIER_nondet_uchar() [L85] input_25 = __VERIFIER_nondet_uchar() [L86] input_27 = __VERIFIER_nondet_uchar() [L87] input_29 = __VERIFIER_nondet_uchar() [L88] input_31 = __VERIFIER_nondet_uchar() [L89] input_33 = __VERIFIER_nondet_uchar() [L90] input_35 = __VERIFIER_nondet_uchar() [L91] input_37 = __VERIFIER_nondet_uchar() [L92] input_39 = __VERIFIER_nondet_uchar() [L93] input_41 = __VERIFIER_nondet_uchar() [L94] input_43 = __VERIFIER_nondet_uchar() [L95] input_45 = __VERIFIER_nondet_uchar() [L96] input_47 = __VERIFIER_nondet_uchar() [L97] input_49 = __VERIFIER_nondet_uchar() [L98] input_52 = __VERIFIER_nondet_uchar() [L99] input_54 = __VERIFIER_nondet_uchar() [L100] input_56 = __VERIFIER_nondet_uchar() [L101] input_58 = __VERIFIER_nondet_uchar() [L102] input_60 = __VERIFIER_nondet_uchar() [L103] input_62 = __VERIFIER_nondet_uchar() [L104] input_64 = __VERIFIER_nondet_uchar() [L105] input_67 = __VERIFIER_nondet_ushort() [L106] input_69 = __VERIFIER_nondet_uchar() [L109] SORT_7 var_11_arg_0 = state_9; [L110] SORT_1 var_11 = var_11_arg_0 >> 3; [L111] SORT_1 var_13_arg_0 = var_11; [L112] var_13_arg_0 = var_13_arg_0 & mask_SORT_1 [L113] SORT_12 var_13 = var_13_arg_0; [L114] SORT_12 var_15_arg_0 = var_13; [L115] SORT_12 var_15_arg_1 = var_14; [L116] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L117] SORT_1 var_19_arg_0 = var_15; [L118] SORT_1 var_19 = ~var_19_arg_0; [L119] SORT_1 var_20_arg_0 = var_18; [L120] SORT_1 var_20_arg_1 = var_19; [L121] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L122] var_20 = var_20 & mask_SORT_1 [L123] SORT_1 bad_21_arg_0 = var_20; [L124] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 21:39:35,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/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_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/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 64bit --witnessprinter.graph.data.programhash 61f39d278d6c27668570468b83b559da0d04299b5fd13eb99d06ed42eb678a84 --- 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 21:39:36,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:39:36,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:39:36,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:39:36,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:39:36,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:39:36,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:39:36,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:39:36,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:39:36,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:39:36,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:39:36,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:39:36,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:39:36,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:39:36,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:39:36,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:39:36,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:39:36,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:39:36,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:39:36,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:39:36,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:39:37,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:39:37,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:39:37,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:39:37,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:39:37,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:39:37,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:39:37,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:39:37,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:39:37,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:39:37,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:39:37,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:39:37,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:39:37,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:39:37,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:39:37,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:39:37,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:39:37,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:39:37,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:39:37,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:39:37,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:39:37,017 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 21:39:37,040 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:39:37,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:39:37,040 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:39:37,040 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:39:37,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:39:37,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:39:37,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:39:37,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:39:37,042 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:39:37,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:39:37,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:39:37,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:39:37,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:39:37,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:39:37,044 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 21:39:37,044 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 21:39:37,044 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 21:39:37,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:39:37,044 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:39:37,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:39:37,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:39:37,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:39:37,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:39:37,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:39:37,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:39:37,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:39:37,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:39:37,045 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 21:39:37,045 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 21:39:37,046 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:39:37,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:39:37,055 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:39:37,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:39:37,055 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 21:39:37,055 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:39:37,055 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_26202c5d-57c9-434a-92fb-6939567d5868/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61f39d278d6c27668570468b83b559da0d04299b5fd13eb99d06ed42eb678a84 [2022-12-13 21:39:37,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:39:37,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:39:37,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:39:37,299 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:39:37,300 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:39:37,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p02.c [2022-12-13 21:39:39,881 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:39:40,040 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:39:40,041 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p02.c [2022-12-13 21:39:40,046 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/data/00c9704f5/60d835157a4f48a6b58976083d09b885/FLAG24d1c2675 [2022-12-13 21:39:40,057 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/data/00c9704f5/60d835157a4f48a6b58976083d09b885 [2022-12-13 21:39:40,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:39:40,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:39:40,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:39:40,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:39:40,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:39:40,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:39:40" (1/1) ... [2022-12-13 21:39:40,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c681bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:40, skipping insertion in model container [2022-12-13 21:39:40,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:39:40" (1/1) ... [2022-12-13 21:39:40,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:39:40,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:39:40,175 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_26202c5d-57c9-434a-92fb-6939567d5868/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p02.c[1107,1120] [2022-12-13 21:39:40,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:39:40,219 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:39:40,228 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_26202c5d-57c9-434a-92fb-6939567d5868/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p02.c[1107,1120] [2022-12-13 21:39:40,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:39:40,262 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:39:40,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:40 WrapperNode [2022-12-13 21:39:40,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:39:40,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:39:40,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:39:40,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:39:40,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:40" (1/1) ... [2022-12-13 21:39:40,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:40" (1/1) ... [2022-12-13 21:39:40,302 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 142 [2022-12-13 21:39:40,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:39:40,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:39:40,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:39:40,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:39:40,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:40" (1/1) ... [2022-12-13 21:39:40,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:40" (1/1) ... [2022-12-13 21:39:40,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:40" (1/1) ... [2022-12-13 21:39:40,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:40" (1/1) ... [2022-12-13 21:39:40,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:40" (1/1) ... [2022-12-13 21:39:40,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:40" (1/1) ... [2022-12-13 21:39:40,326 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:40" (1/1) ... [2022-12-13 21:39:40,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:40" (1/1) ... [2022-12-13 21:39:40,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:39:40,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:39:40,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:39:40,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:39:40,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:40" (1/1) ... [2022-12-13 21:39:40,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:39:40,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:39:40,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:39:40,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:39:40,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:39:40,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:39:40,484 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:39:40,486 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:39:40,654 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:39:40,660 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:39:40,660 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 21:39:40,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:39:40 BoogieIcfgContainer [2022-12-13 21:39:40,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:39:40,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:39:40,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:39:40,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:39:40,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:39:40" (1/3) ... [2022-12-13 21:39:40,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c173b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:39:40, skipping insertion in model container [2022-12-13 21:39:40,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:39:40" (2/3) ... [2022-12-13 21:39:40,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c173b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:39:40, skipping insertion in model container [2022-12-13 21:39:40,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:39:40" (3/3) ... [2022-12-13 21:39:40,669 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p02.c [2022-12-13 21:39:40,685 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:39:40,685 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 21:39:40,721 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:39:40,728 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;@67db2393, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:39:40,728 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 21:39:40,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:39:40,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 21:39:40,737 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:39:40,738 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 21:39:40,738 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:39:40,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:39:40,743 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 21:39:40,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:39:40,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1738906156] [2022-12-13 21:39:40,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:39:40,754 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:39:40,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:39:40,756 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:39:40,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 21:39:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:39:40,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-13 21:39:40,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:39:40,993 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 21:39:40,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:39:40,994 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:39:40,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1738906156] [2022-12-13 21:39:40,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1738906156] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:39:40,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:39:40,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:39:40,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748778873] [2022-12-13 21:39:40,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:39:41,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:39:41,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:39:41,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:39:41,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:39:41,035 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:39:41,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:39:41,070 INFO L93 Difference]: Finished difference Result 15 states and 22 transitions. [2022-12-13 21:39:41,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:39:41,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-13 21:39:41,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:39:41,077 INFO L225 Difference]: With dead ends: 15 [2022-12-13 21:39:41,077 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 21:39:41,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:39:41,081 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:39:41,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:39:41,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 21:39:41,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 21:39:41,096 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 21:39:41,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 21:39:41,097 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-12-13 21:39:41,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:39:41,097 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 21:39:41,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:39:41,097 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 21:39:41,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 21:39:41,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 21:39:41,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 21:39:41,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:39:41,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 21:39:41,412 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 21:39:41,413 INFO L895 garLoopResultBuilder]: At program point L79-2(lines 79 140) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= |ULTIMATE.start_main_~var_14~0#1| (_ bv0 32)) (= |ULTIMATE.start_main_~state_9~0#1| (_ bv0 8))) [2022-12-13 21:39:41,414 INFO L899 garLoopResultBuilder]: For program point L79-3(lines 79 140) no Hoare annotation was computed. [2022-12-13 21:39:41,414 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 21:39:41,414 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 22 142) the Hoare annotation is: false [2022-12-13 21:39:41,415 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 21:39:41,415 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 21:39:41,416 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-12-13 21:39:41,416 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-12-13 21:39:41,416 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-12-13 21:39:41,417 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-12-13 21:39:41,421 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 21:39:41,425 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:39:41,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:39:41 BoogieIcfgContainer [2022-12-13 21:39:41,438 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:39:41,439 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:39:41,439 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:39:41,439 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:39:41,439 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:39:40" (3/4) ... [2022-12-13 21:39:41,442 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 21:39:41,451 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 21:39:41,451 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 21:39:41,452 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 21:39:41,495 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:39:41,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:39:41,496 INFO L158 Benchmark]: Toolchain (without parser) took 1436.44ms. Allocated memory is still 90.2MB. Free memory was 68.1MB in the beginning and 54.6MB in the end (delta: 13.4MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2022-12-13 21:39:41,496 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 54.5MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:39:41,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.43ms. Allocated memory is still 90.2MB. Free memory was 68.0MB in the beginning and 56.1MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 21:39:41,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.56ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 54.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:39:41,497 INFO L158 Benchmark]: Boogie Preprocessor took 28.55ms. Allocated memory is still 90.2MB. Free memory was 54.0MB in the beginning and 52.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:39:41,497 INFO L158 Benchmark]: RCFGBuilder took 330.10ms. Allocated memory is still 90.2MB. Free memory was 52.5MB in the beginning and 65.3MB in the end (delta: -12.8MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2022-12-13 21:39:41,498 INFO L158 Benchmark]: TraceAbstraction took 773.77ms. Allocated memory is still 90.2MB. Free memory was 64.4MB in the beginning and 58.8MB in the end (delta: 5.6MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-12-13 21:39:41,498 INFO L158 Benchmark]: Witness Printer took 56.85ms. Allocated memory is still 90.2MB. Free memory was 58.8MB in the beginning and 54.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:39:41,500 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 54.5MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.43ms. Allocated memory is still 90.2MB. Free memory was 68.0MB in the beginning and 56.1MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.56ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 54.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.55ms. Allocated memory is still 90.2MB. Free memory was 54.0MB in the beginning and 52.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 330.10ms. Allocated memory is still 90.2MB. Free memory was 52.5MB in the beginning and 65.3MB in the end (delta: -12.8MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * TraceAbstraction took 773.77ms. Allocated memory is still 90.2MB. Free memory was 64.4MB in the beginning and 58.8MB in the end (delta: 5.6MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Witness Printer took 56.85ms. Allocated memory is still 90.2MB. Free memory was 58.8MB in the beginning and 54.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 11 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 19 NumberOfNonLiveVariables, 64 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (1bv8 == mask_SORT_1 && var_14 == 0bv32) && state_9 == 0bv8 RESULT: Ultimate proved your program to be correct! [2022-12-13 21:39:41,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26202c5d-57c9-434a-92fb-6939567d5868/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