./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R --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 0bbe822661921a086d2e8463a9fe627e3d2feec0733ded33ee82f90f38d03493 --- 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-38b53e6 [2022-11-25 16:41:53,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:41:53,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:41:53,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:41:53,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:41:53,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:41:53,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:41:53,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:41:53,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:41:53,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:41:53,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:41:53,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:41:53,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:41:53,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:41:53,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:41:53,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:41:53,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:41:53,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:41:53,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:41:53,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:41:53,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:41:53,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:41:53,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:41:53,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:41:53,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:41:53,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:41:53,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:41:53,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:41:53,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:41:53,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:41:53,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:41:53,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:41:53,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:41:53,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:41:53,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:41:53,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:41:53,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:41:53,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:41:53,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:41:53,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:41:53,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:41:53,539 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 16:41:53,576 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:41:53,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:41:53,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:41:53,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:41:53,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:41:53,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:41:53,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:41:53,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:41:53,580 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:41:53,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:41:53,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:41:53,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:41:53,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:41:53,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:41:53,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:41:53,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:41:53,582 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:41:53,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:41:53,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:41:53,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:41:53,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:41:53,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:41:53,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:41:53,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:41:53,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:41:53,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:41:53,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:41:53,585 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:41:53,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:41:53,585 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:41:53,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:41:53,586 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_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bbe822661921a086d2e8463a9fe627e3d2feec0733ded33ee82f90f38d03493 [2022-11-25 16:41:53,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:41:53,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:41:53,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:41:53,975 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:41:53,976 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:41:53,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c [2022-11-25 16:41:57,219 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:41:57,459 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:41:57,460 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c [2022-11-25 16:41:57,468 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/data/5b97963f0/cb044bdc6eb042efaa52e191528a51dc/FLAG7120a917a [2022-11-25 16:41:57,490 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/data/5b97963f0/cb044bdc6eb042efaa52e191528a51dc [2022-11-25 16:41:57,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:41:57,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:41:57,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:41:57,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:41:57,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:41:57,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:41:57" (1/1) ... [2022-11-25 16:41:57,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29986da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:57, skipping insertion in model container [2022-11-25 16:41:57,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:41:57" (1/1) ... [2022-11-25 16:41:57,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:41:57,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:41:57,739 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_e95640b1-1b42-49ef-a048-77cace15d4f4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c[1107,1120] [2022-11-25 16:41:57,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:41:57,821 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:41:57,832 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_e95640b1-1b42-49ef-a048-77cace15d4f4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c[1107,1120] [2022-11-25 16:41:57,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:41:57,874 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:41:57,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:57 WrapperNode [2022-11-25 16:41:57,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:41:57,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:41:57,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:41:57,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:41:57,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:57" (1/1) ... [2022-11-25 16:41:57,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:57" (1/1) ... [2022-11-25 16:41:57,920 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 132 [2022-11-25 16:41:57,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:41:57,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:41:57,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:41:57,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:41:57,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:57" (1/1) ... [2022-11-25 16:41:57,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:57" (1/1) ... [2022-11-25 16:41:57,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:57" (1/1) ... [2022-11-25 16:41:57,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:57" (1/1) ... [2022-11-25 16:41:57,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:57" (1/1) ... [2022-11-25 16:41:57,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:57" (1/1) ... [2022-11-25 16:41:57,968 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:57" (1/1) ... [2022-11-25 16:41:57,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:57" (1/1) ... [2022-11-25 16:41:57,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:41:57,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:41:57,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:41:57,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:41:57,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:57" (1/1) ... [2022-11-25 16:41:57,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:41:57,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:41:58,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:41:58,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:41:58,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:41:58,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:41:58,139 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:41:58,142 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:41:58,668 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:41:58,675 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:41:58,675 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 16:41:58,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:41:58 BoogieIcfgContainer [2022-11-25 16:41:58,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:41:58,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:41:58,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:41:58,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:41:58,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:41:57" (1/3) ... [2022-11-25 16:41:58,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8f280c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:41:58, skipping insertion in model container [2022-11-25 16:41:58,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:57" (2/3) ... [2022-11-25 16:41:58,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8f280c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:41:58, skipping insertion in model container [2022-11-25 16:41:58,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:41:58" (3/3) ... [2022-11-25 16:41:58,696 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.diagonal.c [2022-11-25 16:41:58,714 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:41:58,714 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 16:41:58,758 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:41:58,766 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;@7b4c9b02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:41:58,766 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 16:41:58,770 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) [2022-11-25 16:41:58,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 16:41:58,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:41:58,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 16:41:58,778 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:41:58,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:41:58,784 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 16:41:58,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:41:58,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930507660] [2022-11-25 16:41:58,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:41:58,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:41:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:41:58,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:41:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:41:59,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:41:59,059 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 16:41:59,060 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 16:41:59,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:41:59,071 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 16:41:59,076 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:41:59,092 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-25 16:41:59,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:41:59 BoogieIcfgContainer [2022-11-25 16:41:59,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:41:59,099 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:41:59,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:41:59,099 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:41:59,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:41:58" (3/4) ... [2022-11-25 16:41:59,103 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 16:41:59,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:41:59,105 INFO L158 Benchmark]: Toolchain (without parser) took 1610.00ms. Allocated memory is still 146.8MB. Free memory was 103.2MB in the beginning and 76.6MB in the end (delta: 26.6MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-11-25 16:41:59,105 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 83.2MB in the end (delta: 30.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:41:59,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.83ms. Allocated memory is still 146.8MB. Free memory was 102.7MB in the beginning and 90.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 16:41:59,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.60ms. Allocated memory is still 146.8MB. Free memory was 90.7MB in the beginning and 88.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:41:59,107 INFO L158 Benchmark]: Boogie Preprocessor took 50.93ms. Allocated memory is still 146.8MB. Free memory was 88.1MB in the beginning and 86.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:41:59,108 INFO L158 Benchmark]: RCFGBuilder took 704.89ms. Allocated memory is still 146.8MB. Free memory was 86.5MB in the beginning and 94.3MB in the end (delta: -7.9MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2022-11-25 16:41:59,109 INFO L158 Benchmark]: TraceAbstraction took 418.52ms. Allocated memory is still 146.8MB. Free memory was 93.4MB in the beginning and 76.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 16:41:59,109 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 146.8MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:41:59,112 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 83.2MB in the end (delta: 30.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.83ms. Allocated memory is still 146.8MB. Free memory was 102.7MB in the beginning and 90.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.60ms. Allocated memory is still 146.8MB. Free memory was 90.7MB in the beginning and 88.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.93ms. Allocated memory is still 146.8MB. Free memory was 88.1MB in the beginning and 86.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 704.89ms. Allocated memory is still 146.8MB. Free memory was 86.5MB in the beginning and 94.3MB in the end (delta: -7.9MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * TraceAbstraction took 418.52ms. Allocated memory is still 146.8MB. Free memory was 93.4MB in the beginning and 76.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 146.8MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 56, overapproximation of bitwiseAnd at line 61. 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_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 4); [L29] const SORT_4 msb_SORT_4 = (SORT_4)1 << (4 - 1); [L31] const SORT_4 var_5 = 0; [L32] const SORT_1 var_14 = 1; [L33] const SORT_4 var_19 = 1; [L34] const SORT_4 var_22 = 15; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L39] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L40] SORT_4 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L42] SORT_4 init_7_arg_1 = var_5; [L43] state_6 = init_7_arg_1 [L44] SORT_4 init_9_arg_1 = var_5; [L45] state_8 = init_9_arg_1 VAL [init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_4=15, msb_SORT_1=1, msb_SORT_4=8, state_6=0, state_8=0, var_14=1, var_19=1, var_22=15, var_5=0] [L48] input_2 = __VERIFIER_nondet_uchar() [L49] input_3 = __VERIFIER_nondet_uchar() [L52] SORT_4 var_10_arg_0 = state_6; [L53] SORT_4 var_10_arg_1 = state_8; [L54] SORT_1 var_10 = var_10_arg_0 < var_10_arg_1; [L55] SORT_1 var_11_arg_0 = var_10; [L56] SORT_1 var_11 = ~var_11_arg_0; [L57] SORT_1 var_15_arg_0 = var_11; [L58] SORT_1 var_15 = ~var_15_arg_0; [L59] SORT_1 var_16_arg_0 = var_14; [L60] SORT_1 var_16_arg_1 = var_15; [L61] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L62] var_16 = var_16 & mask_SORT_1 [L63] SORT_1 bad_17_arg_0 = var_16; [L64] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 16:41:59,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/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_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R --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 0bbe822661921a086d2e8463a9fe627e3d2feec0733ded33ee82f90f38d03493 --- 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-38b53e6 [2022-11-25 16:42:01,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:42:01,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:42:01,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:42:01,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:42:01,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:42:01,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:42:01,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:42:01,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:42:01,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:42:01,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:42:01,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:42:01,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:42:01,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:42:01,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:42:01,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:42:01,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:42:01,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:42:01,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:42:01,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:42:01,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:42:01,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:42:01,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:42:01,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:42:01,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:42:01,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:42:01,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:42:01,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:42:01,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:42:01,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:42:01,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:42:01,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:42:01,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:42:01,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:42:01,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:42:01,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:42:01,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:42:01,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:42:01,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:42:01,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:42:01,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:42:01,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 16:42:01,701 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:42:01,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:42:01,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:42:01,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:42:01,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:42:01,705 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:42:01,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:42:01,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:42:01,706 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:42:01,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:42:01,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:42:01,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:42:01,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:42:01,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:42:01,708 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 16:42:01,709 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 16:42:01,709 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 16:42:01,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:42:01,709 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:42:01,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:42:01,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:42:01,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:42:01,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:42:01,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:42:01,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:42:01,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:42:01,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:42:01,711 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 16:42:01,712 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 16:42:01,712 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:42:01,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:42:01,712 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:42:01,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:42:01,713 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 16:42:01,713 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_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bbe822661921a086d2e8463a9fe627e3d2feec0733ded33ee82f90f38d03493 [2022-11-25 16:42:02,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:42:02,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:42:02,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:42:02,185 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:42:02,185 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:42:02,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c [2022-11-25 16:42:05,382 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:42:05,622 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:42:05,623 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c [2022-11-25 16:42:05,638 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/data/188548799/c78de9aac51d47ce8d9f8b849ad83359/FLAG1d100da10 [2022-11-25 16:42:05,664 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/data/188548799/c78de9aac51d47ce8d9f8b849ad83359 [2022-11-25 16:42:05,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:42:05,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:42:05,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:42:05,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:42:05,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:42:05,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:42:05" (1/1) ... [2022-11-25 16:42:05,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@431680c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:05, skipping insertion in model container [2022-11-25 16:42:05,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:42:05" (1/1) ... [2022-11-25 16:42:05,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:42:05,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:42:05,890 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_e95640b1-1b42-49ef-a048-77cace15d4f4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c[1107,1120] [2022-11-25 16:42:05,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:42:05,996 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:42:06,011 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_e95640b1-1b42-49ef-a048-77cace15d4f4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c[1107,1120] [2022-11-25 16:42:06,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:42:06,117 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:42:06,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:06 WrapperNode [2022-11-25 16:42:06,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:42:06,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:42:06,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:42:06,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:42:06,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:06" (1/1) ... [2022-11-25 16:42:06,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:06" (1/1) ... [2022-11-25 16:42:06,194 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 132 [2022-11-25 16:42:06,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:42:06,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:42:06,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:42:06,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:42:06,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:06" (1/1) ... [2022-11-25 16:42:06,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:06" (1/1) ... [2022-11-25 16:42:06,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:06" (1/1) ... [2022-11-25 16:42:06,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:06" (1/1) ... [2022-11-25 16:42:06,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:06" (1/1) ... [2022-11-25 16:42:06,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:06" (1/1) ... [2022-11-25 16:42:06,255 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:06" (1/1) ... [2022-11-25 16:42:06,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:06" (1/1) ... [2022-11-25 16:42:06,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:42:06,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:42:06,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:42:06,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:42:06,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:06" (1/1) ... [2022-11-25 16:42:06,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:42:06,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:42:06,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:42:06,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:42:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:42:06,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:42:06,457 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:42:06,460 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:42:06,712 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:42:06,735 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:42:06,736 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 16:42:06,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:42:06 BoogieIcfgContainer [2022-11-25 16:42:06,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:42:06,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:42:06,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:42:06,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:42:06,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:42:05" (1/3) ... [2022-11-25 16:42:06,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434132d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:42:06, skipping insertion in model container [2022-11-25 16:42:06,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:06" (2/3) ... [2022-11-25 16:42:06,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434132d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:42:06, skipping insertion in model container [2022-11-25 16:42:06,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:42:06" (3/3) ... [2022-11-25 16:42:06,747 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.diagonal.c [2022-11-25 16:42:06,767 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:42:06,783 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 16:42:06,871 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:42:06,894 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;@1f10ecba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:42:06,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 16:42:06,899 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) [2022-11-25 16:42:06,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 16:42:06,917 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:42:06,917 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 16:42:06,918 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:42:06,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:42:06,939 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 16:42:06,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:42:06,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194845503] [2022-11-25 16:42:06,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:42:06,961 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 [2022-11-25 16:42:06,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:42:06,991 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 16:42:07,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:42:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:42:07,151 WARN L261 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 16:42:07,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:42:07,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:42:07,431 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:42:07,432 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 16:42:07,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194845503] [2022-11-25 16:42:07,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [194845503] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:42:07,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:42:07,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:42:07,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312933395] [2022-11-25 16:42:07,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:42:07,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:42:07,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 16:42:07,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:42:07,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:42:07,493 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) [2022-11-25 16:42:07,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:42:07,567 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-25 16:42:07,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:42:07,571 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 [2022-11-25 16:42:07,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:42:07,583 INFO L225 Difference]: With dead ends: 20 [2022-11-25 16:42:07,584 INFO L226 Difference]: Without dead ends: 11 [2022-11-25 16:42:07,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:42:07,592 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:42:07,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:42:07,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-25 16:42:07,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-25 16:42:07,625 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) [2022-11-25 16:42:07,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-25 16:42:07,628 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-25 16:42:07,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:42:07,629 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-25 16:42:07,630 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) [2022-11-25 16:42:07,630 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-25 16:42:07,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 16:42:07,631 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:42:07,631 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-25 16:42:07,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 16:42:07,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:42:07,844 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:42:07,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:42:07,845 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-25 16:42:07,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:42:07,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1234380803] [2022-11-25 16:42:07,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:42:07,847 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 [2022-11-25 16:42:07,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:42:07,849 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 16:42:07,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:42:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:42:07,998 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 67 conjunts are in the unsatisfiable core [2022-11-25 16:42:08,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:42:08,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:42:08,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 16:42:18,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:42:18,502 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 16:42:18,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1234380803] [2022-11-25 16:42:18,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1234380803] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 16:42:18,505 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 16:42:18,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-25 16:42:18,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051569909] [2022-11-25 16:42:18,509 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 16:42:18,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 16:42:18,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 16:42:18,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 16:42:18,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:42:18,514 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2022-11-25 16:42:18,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:42:18,683 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-11-25 16:42:18,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 16:42:18,684 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 8 [2022-11-25 16:42:18,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:42:18,685 INFO L225 Difference]: With dead ends: 19 [2022-11-25 16:42:18,685 INFO L226 Difference]: Without dead ends: 17 [2022-11-25 16:42:18,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-11-25 16:42:18,687 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 16:42:18,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 18 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 16:42:18,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-25 16:42:18,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-25 16:42:18,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:42:18,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-25 16:42:18,693 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2022-11-25 16:42:18,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:42:18,693 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-25 16:42:18,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2022-11-25 16:42:18,694 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-25 16:42:18,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 16:42:18,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:42:18,695 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-25 16:42:18,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:42:18,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:42:18,907 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:42:18,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:42:18,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 2 times [2022-11-25 16:42:18,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:42:18,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533673638] [2022-11-25 16:42:18,910 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 16:42:18,910 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 [2022-11-25 16:42:18,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:42:18,911 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 16:42:18,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/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 (4)] Waiting until timeout for monitored process [2022-11-25 16:42:19,072 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 16:42:19,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 16:42:19,081 WARN L261 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 167 conjunts are in the unsatisfiable core [2022-11-25 16:42:19,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:42:20,308 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:42:20,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 16:42:53,714 WARN L233 SmtUtils]: Spent 28.02s on a formula simplification. DAG size of input: 367 DAG size of output: 105 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 16:45:55,995 WARN L233 SmtUtils]: Spent 2.60m on a formula simplification. DAG size of input: 681 DAG size of output: 102 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 16:45:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:45:56,151 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 16:45:56,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533673638] [2022-11-25 16:45:56,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533673638] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 16:45:56,153 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 16:45:56,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-25 16:45:56,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854808248] [2022-11-25 16:45:56,153 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 16:45:56,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 16:45:56,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 16:45:56,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 16:45:56,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=94, Unknown=2, NotChecked=0, Total=132 [2022-11-25 16:45:56,155 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2022-11-25 16:45:59,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:45:59,207 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-11-25 16:45:59,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 16:45:59,210 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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 14 [2022-11-25 16:45:59,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:45:59,210 INFO L225 Difference]: With dead ends: 19 [2022-11-25 16:45:59,210 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 16:45:59,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 193.1s TimeCoverageRelationStatistics Valid=80, Invalid=190, Unknown=2, NotChecked=0, Total=272 [2022-11-25 16:45:59,212 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 24 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 16:45:59,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 9 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 16:45:59,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 16:45:59,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 16:45:59,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:45:59,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 16:45:59,214 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-25 16:45:59,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:45:59,214 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:45:59,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2022-11-25 16:45:59,214 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 16:45:59,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 16:45:59,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 16:45:59,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/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 (4)] Forceful destruction successful, exit code 0 [2022-11-25 16:45:59,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:45:59,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 16:45:59,913 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 16:45:59,913 INFO L895 garLoopResultBuilder]: At program point L46-2(lines 46 151) the Hoare annotation is: (or (let ((.cse2 (forall ((|v_ULTIMATE.start_main_~var_16_arg_0~0#1_6| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_16_arg_0~0#1_6|) (_ bv1 32)))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (_ bv0 8)))) (.cse0 ((_ zero_extend 24) |ULTIMATE.start_main_~state_6~0#1|)) (.cse1 ((_ zero_extend 24) |ULTIMATE.start_main_~state_8~0#1|))) (and (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) (or (not (bvsgt .cse0 .cse1)) .cse2 (forall ((|v_ULTIMATE.start_main_~var_45_arg_1~0#1_6| (_ BitVec 8))) (let ((.cse3 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_4~0#1|))) (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_45_arg_1~0#1_6|)))))))) (or (forall ((|v_ULTIMATE.start_main_~var_27_arg_1~0#1_5| (_ BitVec 8))) (not (bvslt ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_27_arg_1~0#1_5|)))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse4 ((_ zero_extend 24) |ULTIMATE.start_main_~var_19~0#1|)))))))))))))) (forall ((|v_ULTIMATE.start_main_~var_34_arg_1~0#1_6| (_ BitVec 8))) (= .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_34_arg_1~0#1_6|))))))))))))) (or .cse2 (not (bvslt .cse0 .cse1))))) (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= |ULTIMATE.start_main_~state_8~0#1| (_ bv0 8)) (= |ULTIMATE.start_main_~state_6~0#1| (_ bv0 8)) (= (_ bv15 8) |ULTIMATE.start_main_~mask_SORT_4~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~var_19~0#1|))) [2022-11-25 16:45:59,914 INFO L899 garLoopResultBuilder]: For program point L46-3(lines 46 151) no Hoare annotation was computed. [2022-11-25 16:45:59,914 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 16:45:59,914 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 16:45:59,914 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 16:45:59,914 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-25 16:45:59,915 INFO L895 garLoopResultBuilder]: At program point L152(lines 22 153) the Hoare annotation is: false [2022-11-25 16:45:59,915 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-25 16:45:59,915 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-25 16:45:59,915 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-25 16:45:59,919 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2022-11-25 16:45:59,921 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:45:59,928 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_16_arg_0~0#1_6,QUANTIFIED] [2022-11-25 16:45:59,929 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_27_arg_1~0#1_5,QUANTIFIED] [2022-11-25 16:45:59,930 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_45_arg_1~0#1_6,QUANTIFIED] [2022-11-25 16:45:59,930 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_45_arg_1~0#1_6,QUANTIFIED] [2022-11-25 16:45:59,930 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_34_arg_1~0#1_6,QUANTIFIED] [2022-11-25 16:45:59,930 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_16_arg_0~0#1_6,QUANTIFIED] [2022-11-25 16:45:59,939 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_16_arg_0~0#1_6,QUANTIFIED] [2022-11-25 16:45:59,939 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_27_arg_1~0#1_5,QUANTIFIED] [2022-11-25 16:45:59,940 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_45_arg_1~0#1_6,QUANTIFIED] [2022-11-25 16:45:59,940 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_45_arg_1~0#1_6,QUANTIFIED] [2022-11-25 16:45:59,941 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_34_arg_1~0#1_6,QUANTIFIED] [2022-11-25 16:45:59,941 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_16_arg_0~0#1_6,QUANTIFIED] [2022-11-25 16:45:59,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:45:59 BoogieIcfgContainer [2022-11-25 16:45:59,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:45:59,953 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:45:59,960 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:45:59,961 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:45:59,961 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:42:06" (3/4) ... [2022-11-25 16:45:59,964 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 16:45:59,974 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-25 16:45:59,980 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 16:45:59,981 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 16:46:00,046 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 16:46:00,046 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:46:00,047 INFO L158 Benchmark]: Toolchain (without parser) took 234377.54ms. Allocated memory was 58.7MB in the beginning and 205.5MB in the end (delta: 146.8MB). Free memory was 36.2MB in the beginning and 118.5MB in the end (delta: -82.2MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2022-11-25 16:46:00,047 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:46:00,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.70ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.0MB in the beginning and 49.5MB in the end (delta: -13.5MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2022-11-25 16:46:00,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.02ms. Allocated memory is still 71.3MB. Free memory was 49.5MB in the beginning and 47.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:46:00,048 INFO L158 Benchmark]: Boogie Preprocessor took 61.72ms. Allocated memory is still 71.3MB. Free memory was 47.4MB in the beginning and 46.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:46:00,049 INFO L158 Benchmark]: RCFGBuilder took 478.18ms. Allocated memory is still 71.3MB. Free memory was 45.7MB in the beginning and 49.7MB in the end (delta: -4.0MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2022-11-25 16:46:00,049 INFO L158 Benchmark]: TraceAbstraction took 233212.04ms. Allocated memory was 71.3MB in the beginning and 205.5MB in the end (delta: 134.2MB). Free memory was 48.8MB in the beginning and 121.6MB in the end (delta: -72.8MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2022-11-25 16:46:00,050 INFO L158 Benchmark]: Witness Printer took 93.11ms. Allocated memory is still 205.5MB. Free memory was 121.6MB in the beginning and 118.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:46:00,052 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.70ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.0MB in the beginning and 49.5MB in the end (delta: -13.5MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.02ms. Allocated memory is still 71.3MB. Free memory was 49.5MB in the beginning and 47.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.72ms. Allocated memory is still 71.3MB. Free memory was 47.4MB in the beginning and 46.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 478.18ms. Allocated memory is still 71.3MB. Free memory was 45.7MB in the beginning and 49.7MB in the end (delta: -4.0MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * TraceAbstraction took 233212.04ms. Allocated memory was 71.3MB in the beginning and 205.5MB in the end (delta: 134.2MB). Free memory was 48.8MB in the beginning and 121.6MB in the end (delta: -72.8MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. * Witness Printer took 93.11ms. Allocated memory is still 205.5MB. Free memory was 121.6MB in the beginning and 118.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_16_arg_0~0#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_27_arg_1~0#1_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_45_arg_1~0#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_45_arg_1~0#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_34_arg_1~0#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_16_arg_0~0#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_16_arg_0~0#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_27_arg_1~0#1_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_45_arg_1~0#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_45_arg_1~0#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_34_arg_1~0#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_16_arg_0~0#1_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 233.1s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 11 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 196.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=2, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 7 NumberOfFragments, 121 HoareAnnotationTreeSize, 2 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 155 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 227.9s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 44 ConstructedInterpolants, 14 QuantifiedInterpolants, 2095 SizeOfPredicates, 284 NumberOfNonLiveVariables, 472 ConjunctsInSsa, 250 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/34 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant [2022-11-25 16:46:00,075 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_16_arg_0~0#1_6,QUANTIFIED] [2022-11-25 16:46:00,076 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_27_arg_1~0#1_5,QUANTIFIED] [2022-11-25 16:46:00,077 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_45_arg_1~0#1_6,QUANTIFIED] [2022-11-25 16:46:00,079 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_45_arg_1~0#1_6,QUANTIFIED] [2022-11-25 16:46:00,079 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_34_arg_1~0#1_6,QUANTIFIED] [2022-11-25 16:46:00,080 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_16_arg_0~0#1_6,QUANTIFIED] [2022-11-25 16:46:00,080 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_16_arg_0~0#1_6,QUANTIFIED] [2022-11-25 16:46:00,084 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_27_arg_1~0#1_5,QUANTIFIED] [2022-11-25 16:46:00,087 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_45_arg_1~0#1_6,QUANTIFIED] [2022-11-25 16:46:00,087 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_45_arg_1~0#1_6,QUANTIFIED] [2022-11-25 16:46:00,087 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_34_arg_1~0#1_6,QUANTIFIED] [2022-11-25 16:46:00,087 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_16_arg_0~0#1_6,QUANTIFIED] Derived loop invariant: ((cond == 1bv32 && ((!~bvsgt32(~zero_extendFrom8To32(state_6), ~zero_extendFrom8To32(state_8)) || (forall v_ULTIMATE.start_main_~var_16_arg_0~0#1_6 : bv8 :: ~bvand32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(v_ULTIMATE.start_main_~var_16_arg_0~0#1_6), 1bv32)[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0] == 0bv8)) || (forall v_ULTIMATE.start_main_~var_45_arg_1~0#1_6 : bv8 :: (forall v_ULTIMATE.start_main_~var_27_arg_1~0#1_5 : bv8 :: !~bvslt32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_4), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(v_ULTIMATE.start_main_~var_27_arg_1~0#1_5)[7:0])[7:0]))[7:0]), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_4), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_4), ~zero_extendFrom8To32(~zero_extendFrom8To32(v_ULTIMATE.start_main_~var_45_arg_1~0#1_6)[7:0]))[7:0]), ~zero_extendFrom8To32(var_19))[7:0])[7:0])[7:0]))[7:0]))) || (forall v_ULTIMATE.start_main_~var_34_arg_1~0#1_6 : bv8 :: ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_4), ~zero_extendFrom8To32(~zero_extendFrom8To32(v_ULTIMATE.start_main_~var_45_arg_1~0#1_6)[7:0]))[7:0]) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_4), ~zero_extendFrom8To32(~zero_extendFrom8To32(v_ULTIMATE.start_main_~var_34_arg_1~0#1_6)[7:0]))[7:0]))))) && ((forall v_ULTIMATE.start_main_~var_16_arg_0~0#1_6 : bv8 :: ~bvand32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(v_ULTIMATE.start_main_~var_16_arg_0~0#1_6), 1bv32)[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0] == 0bv8) || !~bvslt32(~zero_extendFrom8To32(state_6), ~zero_extendFrom8To32(state_8)))) || ((((1bv8 == mask_SORT_1 && state_8 == 0bv8) && state_6 == 0bv8) && 15bv8 == mask_SORT_4) && 1bv8 == var_19) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-25 16:46:00,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95640b1-1b42-49ef-a048-77cace15d4f4/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE