./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS --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 a0496224a6d13b5ec4a112db2a8509d416a27de241e19519e6cb01b5821f7d90 --- 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-4e7fbc6 [2022-11-23 03:16:36,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:16:36,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:16:36,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:16:36,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:16:36,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:16:36,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:16:36,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:16:36,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:16:36,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:16:36,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:16:36,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:16:36,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:16:36,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:16:36,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:16:36,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:16:36,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:16:36,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:16:36,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:16:36,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:16:36,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:16:36,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:16:36,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:16:36,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:16:36,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:16:36,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:16:36,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:16:36,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:16:36,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:16:36,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:16:36,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:16:36,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:16:36,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:16:36,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:16:36,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:16:36,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:16:36,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:16:36,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:16:36,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:16:36,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:16:36,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:16:36,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-23 03:16:36,398 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:16:36,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:16:36,399 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:16:36,399 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:16:36,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:16:36,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:16:36,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:16:36,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:16:36,402 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:16:36,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:16:36,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:16:36,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:16:36,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:16:36,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:16:36,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:16:36,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:16:36,404 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:16:36,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:16:36,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:16:36,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:16:36,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:16:36,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:16:36,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:16:36,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:16:36,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:16:36,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:16:36,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:16:36,407 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:16:36,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:16:36,408 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:16:36,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:16:36,408 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0496224a6d13b5ec4a112db2a8509d416a27de241e19519e6cb01b5821f7d90 [2022-11-23 03:16:36,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:16:36,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:16:36,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:16:36,736 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:16:36,737 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:16:36,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c [2022-11-23 03:16:40,146 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:16:40,548 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:16:40,548 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c [2022-11-23 03:16:40,577 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/data/b6ae590a3/7a84e16e298f44ad9183fc9032ffb0d6/FLAGf5feadd35 [2022-11-23 03:16:40,599 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/data/b6ae590a3/7a84e16e298f44ad9183fc9032ffb0d6 [2022-11-23 03:16:40,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:16:40,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:16:40,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:16:40,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:16:40,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:16:40,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:16:40" (1/1) ... [2022-11-23 03:16:40,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d7fabdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:40, skipping insertion in model container [2022-11-23 03:16:40,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:16:40" (1/1) ... [2022-11-23 03:16:40,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:16:40,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:16:41,006 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_f053dda5-0dac-4a2a-b55a-234b02c0658c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c[1107,1120] [2022-11-23 03:16:41,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:16:41,573 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:16:41,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c[1107,1120] [2022-11-23 03:16:41,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:16:41,858 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:16:41,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41 WrapperNode [2022-11-23 03:16:41,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:16:41,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:16:41,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:16:41,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:16:41,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 03:16:41,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 03:16:42,095 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2953 [2022-11-23 03:16:42,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:16:42,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:16:42,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:16:42,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:16:42,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 03:16:42,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 03:16:42,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 03:16:42,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 03:16:42,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 03:16:42,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 03:16:42,309 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 03:16:42,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 03:16:42,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:16:42,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:16:42,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:16:42,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:16:42,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 03:16:42,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:16:42,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:16:42,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:16:42,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:16:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:16:42,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:16:43,107 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:16:43,118 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:21:57,827 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:21:57,834 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:21:57,834 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 03:21:57,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:57 BoogieIcfgContainer [2022-11-23 03:21:57,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:21:57,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:21:57,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:21:57,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:21:57,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:16:40" (1/3) ... [2022-11-23 03:21:57,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b965435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:21:57, skipping insertion in model container [2022-11-23 03:21:57,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (2/3) ... [2022-11-23 03:21:57,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b965435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:21:57, skipping insertion in model container [2022-11-23 03:21:57,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:57" (3/3) ... [2022-11-23 03:21:57,846 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cache_coherence_three.c [2022-11-23 03:21:57,866 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:21:57,866 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 03:21:57,915 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:21:57,921 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;@10f7f47c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:21:57,922 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 03:21:57,926 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) [2022-11-23 03:21:57,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 03:21:57,933 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:21:57,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 03:21:57,934 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:21:57,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:21:57,943 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-23 03:21:57,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:21:57,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323760138] [2022-11-23 03:21:57,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:21:57,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:21:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:21:58,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:21:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:21:59,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:21:59,198 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 03:21:59,200 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 03:21:59,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:21:59,211 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 03:21:59,216 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:21:59,266 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-23 03:21:59,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:21:59 BoogieIcfgContainer [2022-11-23 03:21:59,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:21:59,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:21:59,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:21:59,300 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:21:59,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:57" (3/4) ... [2022-11-23 03:21:59,304 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 03:21:59,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:21:59,306 INFO L158 Benchmark]: Toolchain (without parser) took 318701.45ms. Allocated memory was 178.3MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 131.7MB in the beginning and 1.0GB in the end (delta: -874.7MB). Peak memory consumption was 201.9MB. Max. memory is 16.1GB. [2022-11-23 03:21:59,307 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory was 91.7MB in the beginning and 91.7MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:21:59,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1250.34ms. Allocated memory is still 178.3MB. Free memory was 130.9MB in the beginning and 108.5MB in the end (delta: 22.4MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2022-11-23 03:21:59,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 234.96ms. Allocated memory is still 178.3MB. Free memory was 108.5MB in the beginning and 81.1MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-23 03:21:59,316 INFO L158 Benchmark]: Boogie Preprocessor took 259.90ms. Allocated memory is still 178.3MB. Free memory was 81.1MB in the beginning and 111.9MB in the end (delta: -30.8MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-11-23 03:21:59,317 INFO L158 Benchmark]: RCFGBuilder took 315480.31ms. Allocated memory was 178.3MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 111.9MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 765.3MB. Max. memory is 16.1GB. [2022-11-23 03:21:59,319 INFO L158 Benchmark]: TraceAbstraction took 1458.01ms. Allocated memory is still 1.3GB. Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 129.0MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. [2022-11-23 03:21:59,319 INFO L158 Benchmark]: Witness Printer took 7.49ms. Allocated memory is still 1.3GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:21:59,324 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory was 91.7MB in the beginning and 91.7MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1250.34ms. Allocated memory is still 178.3MB. Free memory was 130.9MB in the beginning and 108.5MB in the end (delta: 22.4MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 234.96ms. Allocated memory is still 178.3MB. Free memory was 108.5MB in the beginning and 81.1MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 259.90ms. Allocated memory is still 178.3MB. Free memory was 81.1MB in the beginning and 111.9MB in the end (delta: -30.8MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * RCFGBuilder took 315480.31ms. Allocated memory was 178.3MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 111.9MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 765.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1458.01ms. Allocated memory is still 1.3GB. Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 129.0MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. * Witness Printer took 7.49ms. Allocated memory is still 1.3GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 211, overapproximation of bitwiseOr at line 229, overapproximation of bitwiseAnd at line 205. 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 - 32); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 2); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (2 - 1); [L34] const SORT_69 mask_SORT_69 = (SORT_69)-1 >> (sizeof(SORT_69) * 8 - 3); [L35] const SORT_69 msb_SORT_69 = (SORT_69)1 << (3 - 1); [L37] const SORT_135 mask_SORT_135 = (SORT_135)-1 >> (sizeof(SORT_135) * 8 - 31); [L38] const SORT_135 msb_SORT_135 = (SORT_135)1 << (31 - 1); [L40] const SORT_3 var_4 = 0; [L41] const SORT_3 var_5 = 1; [L42] const SORT_6 var_7 = 2; [L43] const SORT_6 var_10 = 1; [L44] const SORT_1 var_55 = 1; [L45] const SORT_1 var_59 = 0; [L46] const SORT_69 var_70 = 0; [L47] const SORT_69 var_73 = 2; [L48] const SORT_69 var_75 = 4; [L49] const SORT_69 var_78 = 5; [L50] const SORT_69 var_81 = 1; [L51] const SORT_6 var_83 = 0; [L52] const SORT_69 var_89 = 3; [L53] const SORT_135 var_136 = 0; [L55] SORT_1 input_2; [L56] SORT_69 input_640; [L57] SORT_69 input_761; [L58] SORT_69 input_882; [L60] SORT_6 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L61] SORT_6 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L62] SORT_6 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L63] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L64] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L65] SORT_69 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_69; [L66] SORT_6 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L67] SORT_1 state_101 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] SORT_6 state_111 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L69] SORT_1 state_131 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] SORT_1 state_133 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] SORT_6 state_178 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L72] SORT_1 state_208 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] SORT_1 state_210 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] SORT_1 state_212 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] SORT_1 state_214 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] SORT_69 state_216 = __VERIFIER_nondet_uchar() & mask_SORT_69; [L77] SORT_1 state_221 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] SORT_1 state_235 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] SORT_69 state_237 = __VERIFIER_nondet_uchar() & mask_SORT_69; [L80] SORT_1 state_239 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] SORT_1 state_241 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] SORT_1 state_243 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] SORT_1 state_245 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] SORT_1 state_247 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] SORT_1 state_249 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] SORT_69 state_251 = __VERIFIER_nondet_uchar() & mask_SORT_69; [L87] SORT_1 state_256 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] SORT_1 state_270 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] SORT_69 state_272 = __VERIFIER_nondet_uchar() & mask_SORT_69; [L90] SORT_1 state_274 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] SORT_1 state_276 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] SORT_1 state_278 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] SORT_1 state_280 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] SORT_1 state_282 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] SORT_1 state_284 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] SORT_69 state_286 = __VERIFIER_nondet_uchar() & mask_SORT_69; [L97] SORT_1 state_291 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] SORT_1 state_305 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] SORT_69 state_307 = __VERIFIER_nondet_uchar() & mask_SORT_69; [L100] SORT_1 state_309 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] SORT_1 state_311 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] SORT_6 init_9_arg_1 = var_7; [L104] state_8 = init_9_arg_1 [L105] SORT_6 init_18_arg_1 = var_7; [L106] state_17 = init_18_arg_1 [L107] SORT_6 init_26_arg_1 = var_7; [L108] state_25 = init_26_arg_1 [L109] SORT_1 init_61_arg_1 = var_59; [L110] state_60 = init_61_arg_1 [L111] SORT_1 init_66_arg_1 = var_59; [L112] state_65 = init_66_arg_1 [L113] SORT_69 init_72_arg_1 = var_70; [L114] state_71 = init_72_arg_1 [L115] SORT_6 init_85_arg_1 = var_83; [L116] state_84 = init_85_arg_1 [L117] SORT_1 init_102_arg_1 = var_59; [L118] state_101 = init_102_arg_1 [L119] SORT_6 init_112_arg_1 = var_83; [L120] state_111 = init_112_arg_1 [L121] SORT_1 init_132_arg_1 = var_59; [L122] state_131 = init_132_arg_1 [L123] SORT_1 init_134_arg_1 = var_59; [L124] state_133 = init_134_arg_1 [L125] SORT_6 init_179_arg_1 = var_83; [L126] state_178 = init_179_arg_1 [L127] SORT_1 init_209_arg_1 = var_59; [L128] state_208 = init_209_arg_1 [L129] SORT_1 init_211_arg_1 = var_59; [L130] state_210 = init_211_arg_1 [L131] SORT_1 init_213_arg_1 = var_59; [L132] state_212 = init_213_arg_1 [L133] SORT_1 init_215_arg_1 = var_55; [L134] state_214 = init_215_arg_1 [L135] SORT_69 init_217_arg_1 = var_78; [L136] state_216 = init_217_arg_1 [L137] SORT_1 init_222_arg_1 = var_55; [L138] state_221 = init_222_arg_1 [L139] SORT_1 init_236_arg_1 = var_55; [L140] state_235 = init_236_arg_1 [L141] SORT_69 init_238_arg_1 = var_73; [L142] state_237 = init_238_arg_1 [L143] SORT_1 init_240_arg_1 = var_59; [L144] state_239 = init_240_arg_1 [L145] SORT_1 init_242_arg_1 = var_59; [L146] state_241 = init_242_arg_1 [L147] SORT_1 init_244_arg_1 = var_59; [L148] state_243 = init_244_arg_1 [L149] SORT_1 init_246_arg_1 = var_59; [L150] state_245 = init_246_arg_1 [L151] SORT_1 init_248_arg_1 = var_59; [L152] state_247 = init_248_arg_1 [L153] SORT_1 init_250_arg_1 = var_55; [L154] state_249 = init_250_arg_1 [L155] SORT_69 init_252_arg_1 = var_78; [L156] state_251 = init_252_arg_1 [L157] SORT_1 init_257_arg_1 = var_55; [L158] state_256 = init_257_arg_1 [L159] SORT_1 init_271_arg_1 = var_55; [L160] state_270 = init_271_arg_1 [L161] SORT_69 init_273_arg_1 = var_73; [L162] state_272 = init_273_arg_1 [L163] SORT_1 init_275_arg_1 = var_59; [L164] state_274 = init_275_arg_1 [L165] SORT_1 init_277_arg_1 = var_59; [L166] state_276 = init_277_arg_1 [L167] SORT_1 init_279_arg_1 = var_59; [L168] state_278 = init_279_arg_1 [L169] SORT_1 init_281_arg_1 = var_59; [L170] state_280 = init_281_arg_1 [L171] SORT_1 init_283_arg_1 = var_59; [L172] state_282 = init_283_arg_1 [L173] SORT_1 init_285_arg_1 = var_55; [L174] state_284 = init_285_arg_1 [L175] SORT_69 init_287_arg_1 = var_78; [L176] state_286 = init_287_arg_1 [L177] SORT_1 init_292_arg_1 = var_55; [L178] state_291 = init_292_arg_1 [L179] SORT_1 init_306_arg_1 = var_55; [L180] state_305 = init_306_arg_1 [L181] SORT_69 init_308_arg_1 = var_73; [L182] state_307 = init_308_arg_1 [L183] SORT_1 init_310_arg_1 = var_59; [L184] state_309 = init_310_arg_1 [L185] SORT_1 init_312_arg_1 = var_59; [L186] state_311 = init_312_arg_1 VAL [init_102_arg_1=0, init_112_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_179_arg_1=0, init_18_arg_1=2, init_209_arg_1=0, init_211_arg_1=0, init_213_arg_1=0, init_215_arg_1=1, init_217_arg_1=5, init_222_arg_1=1, init_236_arg_1=1, init_238_arg_1=2, init_240_arg_1=0, init_242_arg_1=0, init_244_arg_1=0, init_246_arg_1=0, init_248_arg_1=0, init_250_arg_1=1, init_252_arg_1=5, init_257_arg_1=1, init_26_arg_1=2, init_271_arg_1=1, init_273_arg_1=2, init_275_arg_1=0, init_277_arg_1=0, init_279_arg_1=0, init_281_arg_1=0, init_283_arg_1=0, init_285_arg_1=1, init_287_arg_1=5, init_292_arg_1=1, init_306_arg_1=1, init_308_arg_1=2, init_310_arg_1=0, init_312_arg_1=0, init_61_arg_1=0, init_66_arg_1=0, init_72_arg_1=0, init_85_arg_1=0, init_9_arg_1=2, mask_SORT_1=1, mask_SORT_135=4294967295, mask_SORT_3=4294967295, mask_SORT_6=3, mask_SORT_69=7, msb_SORT_1=1, msb_SORT_135=1073741824, msb_SORT_3=2147483648, msb_SORT_6=2, msb_SORT_69=4, state_101=0, state_111=0, state_131=0, state_133=0, state_17=2, state_178=0, state_208=0, state_210=0, state_212=0, state_214=1, state_216=5, state_221=1, state_235=1, state_237=2, state_239=0, state_241=0, state_243=0, state_245=0, state_247=0, state_249=1, state_25=2, state_251=5, state_256=1, state_270=1, state_272=2, state_274=0, state_276=0, state_278=0, state_280=0, state_282=0, state_284=1, state_286=5, state_291=1, state_305=1, state_307=2, state_309=0, state_311=0, state_60=0, state_65=0, state_71=0, state_8=2, state_84=0, var_10=1, var_136=0, var_4=0, var_5=1, var_55=1, var_59=0, var_7=2, var_70=0, var_73=2, var_75=4, var_78=5, var_81=1, var_83=0, var_89=3] [L189] input_2 = __VERIFIER_nondet_uchar() [L190] input_640 = __VERIFIER_nondet_uchar() [L191] input_761 = __VERIFIER_nondet_uchar() [L192] input_882 = __VERIFIER_nondet_uchar() [L195] SORT_6 var_11_arg_0 = state_8; [L196] SORT_6 var_11_arg_1 = var_10; [L197] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L198] SORT_1 var_12_arg_0 = var_11; [L199] SORT_3 var_12_arg_1 = var_5; [L200] SORT_3 var_12_arg_2 = var_4; [L201] SORT_3 var_12 = var_12_arg_0 ? var_12_arg_1 : var_12_arg_2; [L202] SORT_3 var_13_arg_0 = var_12; [L203] SORT_1 var_13 = var_13_arg_0 >> 0; [L204] SORT_1 var_14_arg_0 = var_13; [L205] var_14_arg_0 = var_14_arg_0 & mask_SORT_1 [L206] SORT_3 var_14 = var_14_arg_0; [L207] SORT_3 var_15_arg_0 = var_14; [L208] SORT_3 var_15_arg_1 = var_5; [L209] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L210] SORT_1 var_16_arg_0 = var_15; [L211] SORT_1 var_16 = ~var_16_arg_0; [L212] SORT_6 var_19_arg_0 = state_17; [L213] SORT_6 var_19_arg_1 = var_10; [L214] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L215] SORT_1 var_20_arg_0 = var_19; [L216] SORT_3 var_20_arg_1 = var_5; [L217] SORT_3 var_20_arg_2 = var_4; [L218] SORT_3 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L219] SORT_3 var_21_arg_0 = var_20; [L220] SORT_1 var_21 = var_21_arg_0 >> 0; [L221] SORT_1 var_22_arg_0 = var_21; [L222] var_22_arg_0 = var_22_arg_0 & mask_SORT_1 [L223] SORT_3 var_22 = var_22_arg_0; [L224] SORT_3 var_23_arg_0 = var_22; [L225] SORT_3 var_23_arg_1 = var_5; [L226] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L227] SORT_1 var_24_arg_0 = var_16; [L228] SORT_1 var_24_arg_1 = var_23; [L229] SORT_1 var_24 = var_24_arg_0 | var_24_arg_1; [L230] SORT_6 var_27_arg_0 = state_25; [L231] SORT_6 var_27_arg_1 = var_10; [L232] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L233] SORT_1 var_28_arg_0 = var_27; [L234] SORT_3 var_28_arg_1 = var_5; [L235] SORT_3 var_28_arg_2 = var_4; [L236] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L237] SORT_3 var_29_arg_0 = var_28; [L238] SORT_1 var_29 = var_29_arg_0 >> 0; [L239] SORT_1 var_30_arg_0 = var_29; [L240] var_30_arg_0 = var_30_arg_0 & mask_SORT_1 [L241] SORT_3 var_30 = var_30_arg_0; [L242] SORT_3 var_31_arg_0 = var_30; [L243] SORT_3 var_31_arg_1 = var_5; [L244] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L245] SORT_1 var_32_arg_0 = var_24; [L246] SORT_1 var_32_arg_1 = var_31; [L247] SORT_1 var_32 = var_32_arg_0 | var_32_arg_1; [L248] SORT_1 var_33_arg_0 = var_21; [L249] var_33_arg_0 = var_33_arg_0 & mask_SORT_1 [L250] SORT_3 var_33 = var_33_arg_0; [L251] SORT_3 var_34_arg_0 = var_33; [L252] SORT_3 var_34_arg_1 = var_5; [L253] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L254] SORT_1 var_35_arg_0 = var_34; [L255] SORT_1 var_35 = ~var_35_arg_0; [L256] SORT_1 var_36_arg_0 = var_29; [L257] var_36_arg_0 = var_36_arg_0 & mask_SORT_1 [L258] SORT_3 var_36 = var_36_arg_0; [L259] SORT_3 var_37_arg_0 = var_36; [L260] SORT_3 var_37_arg_1 = var_5; [L261] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L262] SORT_1 var_38_arg_0 = var_35; [L263] SORT_1 var_38_arg_1 = var_37; [L264] SORT_1 var_38 = var_38_arg_0 | var_38_arg_1; [L265] SORT_1 var_39_arg_0 = var_13; [L266] var_39_arg_0 = var_39_arg_0 & mask_SORT_1 [L267] SORT_3 var_39 = var_39_arg_0; [L268] SORT_3 var_40_arg_0 = var_39; [L269] SORT_3 var_40_arg_1 = var_5; [L270] SORT_1 var_40 = var_40_arg_0 == var_40_arg_1; [L271] SORT_1 var_41_arg_0 = var_38; [L272] SORT_1 var_41_arg_1 = var_40; [L273] SORT_1 var_41 = var_41_arg_0 | var_41_arg_1; [L274] SORT_1 var_42_arg_0 = var_32; [L275] SORT_1 var_42_arg_1 = var_41; [L276] SORT_1 var_42 = var_42_arg_0 & var_42_arg_1; [L277] SORT_1 var_43_arg_0 = var_29; [L278] var_43_arg_0 = var_43_arg_0 & mask_SORT_1 [L279] SORT_3 var_43 = var_43_arg_0; [L280] SORT_3 var_44_arg_0 = var_43; [L281] SORT_3 var_44_arg_1 = var_5; [L282] SORT_1 var_44 = var_44_arg_0 == var_44_arg_1; [L283] SORT_1 var_45_arg_0 = var_44; [L284] SORT_1 var_45 = ~var_45_arg_0; [L285] SORT_1 var_46_arg_0 = var_13; [L286] var_46_arg_0 = var_46_arg_0 & mask_SORT_1 [L287] SORT_3 var_46 = var_46_arg_0; [L288] SORT_3 var_47_arg_0 = var_46; [L289] SORT_3 var_47_arg_1 = var_5; [L290] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L291] SORT_1 var_48_arg_0 = var_45; [L292] SORT_1 var_48_arg_1 = var_47; [L293] SORT_1 var_48 = var_48_arg_0 | var_48_arg_1; [L294] SORT_1 var_49_arg_0 = var_21; [L295] var_49_arg_0 = var_49_arg_0 & mask_SORT_1 [L296] SORT_3 var_49 = var_49_arg_0; [L297] SORT_3 var_50_arg_0 = var_49; [L298] SORT_3 var_50_arg_1 = var_5; [L299] SORT_1 var_50 = var_50_arg_0 == var_50_arg_1; [L300] SORT_1 var_51_arg_0 = var_48; [L301] SORT_1 var_51_arg_1 = var_50; [L302] SORT_1 var_51 = var_51_arg_0 | var_51_arg_1; [L303] SORT_1 var_52_arg_0 = var_42; [L304] SORT_1 var_52_arg_1 = var_51; [L305] SORT_1 var_52 = var_52_arg_0 & var_52_arg_1; [L306] SORT_1 var_56_arg_0 = var_52; [L307] SORT_1 var_56 = ~var_56_arg_0; [L308] SORT_1 var_57_arg_0 = var_55; [L309] SORT_1 var_57_arg_1 = var_56; [L310] SORT_1 var_57 = var_57_arg_0 & var_57_arg_1; [L311] var_57 = var_57 & mask_SORT_1 [L312] SORT_1 bad_58_arg_0 = var_57; [L313] CALL __VERIFIER_assert(!(bad_58_arg_0)) [L20] COND TRUE !(cond) VAL [cond=0, unknown-#in~cond-unknown=0] [L20] reach_error() VAL [cond=0, unknown-#in~cond-unknown=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, 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: 0.1s SsaConstructionTime, 0.5s 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 [2022-11-23 03:21:59,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS --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 a0496224a6d13b5ec4a112db2a8509d416a27de241e19519e6cb01b5821f7d90 --- 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-4e7fbc6 [2022-11-23 03:22:01,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:22:01,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:22:01,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:22:01,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:22:01,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:22:01,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:22:01,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:22:01,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:22:01,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:22:01,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:22:01,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:22:01,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:22:01,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:22:01,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:22:01,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:22:01,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:22:01,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:22:01,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:22:01,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:22:01,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:22:01,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:22:01,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:22:01,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:22:01,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:22:01,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:22:01,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:22:01,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:22:01,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:22:01,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:22:01,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:22:01,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:22:01,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:22:01,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:22:01,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:22:01,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:22:01,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:22:01,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:22:01,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:22:01,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:22:01,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:22:01,917 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-23 03:22:01,965 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:22:01,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:22:01,966 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:22:01,966 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:22:01,967 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:22:01,968 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:22:01,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:22:01,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:22:01,969 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:22:01,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:22:01,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:22:01,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:22:01,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:22:01,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:22:01,971 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 03:22:01,971 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 03:22:01,971 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 03:22:01,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:22:01,972 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:22:01,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:22:01,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:22:01,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:22:01,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:22:01,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:22:01,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:22:01,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:22:01,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:22:01,973 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-23 03:22:01,973 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 03:22:01,974 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:22:01,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:22:01,974 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:22:01,974 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:22:01,975 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-23 03:22:01,975 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_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0496224a6d13b5ec4a112db2a8509d416a27de241e19519e6cb01b5821f7d90 [2022-11-23 03:22:02,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:22:02,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:22:02,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:22:02,439 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:22:02,440 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:22:02,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c [2022-11-23 03:22:05,650 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:22:06,055 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:22:06,056 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c [2022-11-23 03:22:06,094 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/data/b37d09d75/ee152be7f20d424db3ca97f53741eb99/FLAG18a0397d3 [2022-11-23 03:22:06,111 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/data/b37d09d75/ee152be7f20d424db3ca97f53741eb99 [2022-11-23 03:22:06,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:22:06,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:22:06,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:22:06,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:22:06,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:22:06,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:22:06" (1/1) ... [2022-11-23 03:22:06,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48412847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:22:06, skipping insertion in model container [2022-11-23 03:22:06,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:22:06" (1/1) ... [2022-11-23 03:22:06,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:22:06,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:22:06,472 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_f053dda5-0dac-4a2a-b55a-234b02c0658c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c[1107,1120] [2022-11-23 03:22:07,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:22:07,036 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:22:07,049 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_f053dda5-0dac-4a2a-b55a-234b02c0658c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_three.c[1107,1120] [2022-11-23 03:22:07,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:22:07,260 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:22:07,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:22:07 WrapperNode [2022-11-23 03:22:07,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:22:07,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:22:07,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:22:07,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:22:07,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:22:07" (1/1) ... [2022-11-23 03:22:07,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:22:07" (1/1) ... [2022-11-23 03:22:07,498 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2953 [2022-11-23 03:22:07,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:22:07,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:22:07,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:22:07,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:22:07,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:22:07" (1/1) ... [2022-11-23 03:22:07,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:22:07" (1/1) ... [2022-11-23 03:22:07,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:22:07" (1/1) ... [2022-11-23 03:22:07,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:22:07" (1/1) ... [2022-11-23 03:22:07,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:22:07" (1/1) ... [2022-11-23 03:22:07,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:22:07" (1/1) ... [2022-11-23 03:22:07,622 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:22:07" (1/1) ... [2022-11-23 03:22:07,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:22:07" (1/1) ... [2022-11-23 03:22:07,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:22:07,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:22:07,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:22:07,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:22:07,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:22:07" (1/1) ... [2022-11-23 03:22:07,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:22:07,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:22:07,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:22:07,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:22:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:22:07,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:22:08,477 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:22:08,479 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:22:14,010 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:22:14,016 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:22:14,016 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 03:22:14,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:22:14 BoogieIcfgContainer [2022-11-23 03:22:14,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:22:14,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:22:14,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:22:14,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:22:14,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:22:06" (1/3) ... [2022-11-23 03:22:14,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c8ae210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:22:14, skipping insertion in model container [2022-11-23 03:22:14,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:22:07" (2/3) ... [2022-11-23 03:22:14,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c8ae210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:22:14, skipping insertion in model container [2022-11-23 03:22:14,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:22:14" (3/3) ... [2022-11-23 03:22:14,030 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cache_coherence_three.c [2022-11-23 03:22:14,050 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:22:14,050 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 03:22:14,117 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:22:14,123 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;@8fc5ed9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:22:14,124 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 03:22:14,128 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) [2022-11-23 03:22:14,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 03:22:14,134 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:22:14,135 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 03:22:14,135 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:22:14,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:22:14,142 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-23 03:22:14,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 03:22:14,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1403543172] [2022-11-23 03:22:14,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:22:14,159 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 [2022-11-23 03:22:14,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 03:22:14,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 03:22:14,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 03:22:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:22:14,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 82 conjunts are in the unsatisfiable core [2022-11-23 03:22:14,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:22:15,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:22:15,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:22:15,668 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 03:22:15,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1403543172] [2022-11-23 03:22:15,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1403543172] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:22:15,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:22:15,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:22:15,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652356557] [2022-11-23 03:22:15,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:22:15,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:22:15,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 03:22:15,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:22:15,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:22:15,715 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) [2022-11-23 03:22:16,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:22:16,151 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-23 03:22:16,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:22:16,154 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 [2022-11-23 03:22:16,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:22:16,161 INFO L225 Difference]: With dead ends: 20 [2022-11-23 03:22:16,162 INFO L226 Difference]: Without dead ends: 11 [2022-11-23 03:22:16,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:22:16,168 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 03:22:16,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 03:22:16,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-23 03:22:16,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-23 03:22:16,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2022-11-23 03:22:16,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-23 03:22:16,199 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-23 03:22:16,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:22:16,200 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-23 03:22:16,200 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) [2022-11-23 03:22:16,200 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-23 03:22:16,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 03:22:16,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:22:16,201 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-23 03:22:16,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/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)] Ended with exit code 0 [2022-11-23 03:22:16,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 03:22:16,414 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:22:16,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:22:16,415 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-23 03:22:16,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 03:22:16,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307954152] [2022-11-23 03:22:16,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:22:16,420 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 [2022-11-23 03:22:16,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 03:22:16,421 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 03:22:16,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 03:22:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:22:18,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 2809 conjuncts, 88 conjunts are in the unsatisfiable core [2022-11-23 03:22:18,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:22:18,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:22:18,759 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:24:48,969 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-11-23 03:24:48,971 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 03:24:48,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307954152] [2022-11-23 03:24:48,971 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-23 03:24:49,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2022-11-23 03:24:49,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-23 03:24:49,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 03:24:49,172 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:620) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:370) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:361) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:306) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 52 more [2022-11-23 03:24:49,177 INFO L158 Benchmark]: Toolchain (without parser) took 163059.25ms. Allocated memory was 75.5MB in the beginning and 444.6MB in the end (delta: 369.1MB). Free memory was 49.1MB in the beginning and 154.6MB in the end (delta: -105.5MB). Peak memory consumption was 264.4MB. Max. memory is 16.1GB. [2022-11-23 03:24:49,177 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:24:49,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1140.28ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 48.8MB in the beginning and 50.2MB in the end (delta: -1.4MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2022-11-23 03:24:49,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 237.04ms. Allocated memory is still 111.1MB. Free memory was 50.2MB in the beginning and 55.3MB in the end (delta: -5.1MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2022-11-23 03:24:49,178 INFO L158 Benchmark]: Boogie Preprocessor took 178.16ms. Allocated memory is still 111.1MB. Free memory was 55.3MB in the beginning and 43.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 03:24:49,179 INFO L158 Benchmark]: RCFGBuilder took 6340.46ms. Allocated memory was 111.1MB in the beginning and 291.5MB in the end (delta: 180.4MB). Free memory was 43.1MB in the beginning and 183.3MB in the end (delta: -140.1MB). Peak memory consumption was 147.9MB. Max. memory is 16.1GB. [2022-11-23 03:24:49,180 INFO L158 Benchmark]: TraceAbstraction took 155153.95ms. Allocated memory was 291.5MB in the beginning and 444.6MB in the end (delta: 153.1MB). Free memory was 182.2MB in the beginning and 154.6MB in the end (delta: 27.6MB). Peak memory consumption was 180.5MB. Max. memory is 16.1GB. [2022-11-23 03:24:49,191 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1140.28ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 48.8MB in the beginning and 50.2MB in the end (delta: -1.4MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 237.04ms. Allocated memory is still 111.1MB. Free memory was 50.2MB in the beginning and 55.3MB in the end (delta: -5.1MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 178.16ms. Allocated memory is still 111.1MB. Free memory was 55.3MB in the beginning and 43.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 6340.46ms. Allocated memory was 111.1MB in the beginning and 291.5MB in the end (delta: 180.4MB). Free memory was 43.1MB in the beginning and 183.3MB in the end (delta: -140.1MB). Peak memory consumption was 147.9MB. Max. memory is 16.1GB. * TraceAbstraction took 155153.95ms. Allocated memory was 291.5MB in the beginning and 444.6MB in the end (delta: 153.1MB). Free memory was 182.2MB in the beginning and 154.6MB in the end (delta: 27.6MB). Peak memory consumption was 180.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f053dda5-0dac-4a2a-b55a-234b02c0658c/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")