./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 456ad7d50b1a04e48a594b17937be8ede462f0848eac039d52c67e6778557ec8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:19:11,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:19:11,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:19:11,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:19:11,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:19:11,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:19:11,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:19:11,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:19:11,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:19:11,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:19:11,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:19:11,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:19:11,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:19:11,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:19:11,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:19:11,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:19:11,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:19:11,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:19:11,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:19:11,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:19:11,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:19:11,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:19:11,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:19:11,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:19:11,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:19:11,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:19:11,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:19:11,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:19:11,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:19:11,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:19:11,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:19:11,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:19:11,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:19:11,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:19:11,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:19:11,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:19:11,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:19:11,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:19:11,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:19:11,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:19:11,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:19:11,511 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:19:11,531 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:19:11,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:19:11,532 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:19:11,532 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:19:11,533 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:19:11,533 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:19:11,533 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:19:11,534 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:19:11,534 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:19:11,534 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:19:11,534 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:19:11,534 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:19:11,535 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:19:11,535 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:19:11,535 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:19:11,535 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:19:11,536 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:19:11,536 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:19:11,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:19:11,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:19:11,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:19:11,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:19:11,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:19:11,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:19:11,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:19:11,538 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:19:11,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:19:11,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:19:11,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:19:11,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:19:11,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:19:11,539 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:19:11,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:19:11,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:19:11,540 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:19:11,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:19:11,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:19:11,540 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:19:11,540 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 456ad7d50b1a04e48a594b17937be8ede462f0848eac039d52c67e6778557ec8 [2022-11-23 15:19:11,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:19:11,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:19:11,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:19:11,848 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:19:11,848 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:19:11,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c [2022-11-23 15:19:14,889 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:19:15,255 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:19:15,256 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c [2022-11-23 15:19:15,276 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/data/3daa34f5d/0e27a185b617474f81d020764d3b8c86/FLAG04f8424fc [2022-11-23 15:19:15,291 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/data/3daa34f5d/0e27a185b617474f81d020764d3b8c86 [2022-11-23 15:19:15,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:19:15,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:19:15,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:19:15,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:19:15,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:19:15,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:19:15" (1/1) ... [2022-11-23 15:19:15,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd1cc5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:15, skipping insertion in model container [2022-11-23 15:19:15,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:19:15" (1/1) ... [2022-11-23 15:19:15,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:19:15,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:19:15,585 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_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c[1107,1120] [2022-11-23 15:19:16,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:19:16,155 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:19:16,164 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_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c[1107,1120] [2022-11-23 15:19:16,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:19:16,424 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:19:16,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:16 WrapperNode [2022-11-23 15:19:16,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:19:16,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:19:16,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:19:16,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:19:16,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:16" (1/1) ... [2022-11-23 15:19:16,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:16" (1/1) ... [2022-11-23 15:19:16,608 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2479 [2022-11-23 15:19:16,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:19:16,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:19:16,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:19:16,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:19:16,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:16" (1/1) ... [2022-11-23 15:19:16,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:16" (1/1) ... [2022-11-23 15:19:16,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:16" (1/1) ... [2022-11-23 15:19:16,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:16" (1/1) ... [2022-11-23 15:19:16,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:16" (1/1) ... [2022-11-23 15:19:16,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:16" (1/1) ... [2022-11-23 15:19:16,764 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:16" (1/1) ... [2022-11-23 15:19:16,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:16" (1/1) ... [2022-11-23 15:19:16,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:19:16,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:19:16,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:19:16,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:19:16,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:16" (1/1) ... [2022-11-23 15:19:16,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:19:16,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:19:16,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:19:16,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:19:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:19:16,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:19:17,651 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:19:17,653 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:21:19,267 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:21:19,304 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:21:19,305 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:21:19,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:19 BoogieIcfgContainer [2022-11-23 15:21:19,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:21:19,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:21:19,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:21:19,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:21:19,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:19:15" (1/3) ... [2022-11-23 15:21:19,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f54727f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:21:19, skipping insertion in model container [2022-11-23 15:21:19,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:19:16" (2/3) ... [2022-11-23 15:21:19,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f54727f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:21:19, skipping insertion in model container [2022-11-23 15:21:19,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:19" (3/3) ... [2022-11-23 15:21:19,325 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c [2022-11-23 15:21:19,346 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:21:19,346 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:21:19,396 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:21:19,401 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=FINITE_AUTOMATA, 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;@567e09f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:21:19,402 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:21:19,405 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:21:19,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 15:21:19,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:21:19,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 15:21:19,410 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:21:19,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:21:19,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-11-23 15:21:19,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:21:19,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395544259] [2022-11-23 15:21:19,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:19,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:21:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:21:19,856 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 15:21:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:21:20,175 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 15:21:20,177 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 15:21:20,178 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 15:21:20,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:21:20,185 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 15:21:20,189 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:21:20,236 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-23 15:21:20,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:21:20 BoogieIcfgContainer [2022-11-23 15:21:20,265 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:21:20,266 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:21:20,266 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:21:20,267 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:21:20,268 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:19" (3/4) ... [2022-11-23 15:21:20,271 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 15:21:20,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:21:20,273 INFO L158 Benchmark]: Toolchain (without parser) took 124977.22ms. Allocated memory was 125.8MB in the beginning and 914.4MB in the end (delta: 788.5MB). Free memory was 78.5MB in the beginning and 725.8MB in the end (delta: -647.2MB). Peak memory consumption was 142.7MB. Max. memory is 16.1GB. [2022-11-23 15:21:20,274 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:21:20,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1129.02ms. Allocated memory was 125.8MB in the beginning and 172.0MB in the end (delta: 46.1MB). Free memory was 78.2MB in the beginning and 93.7MB in the end (delta: -15.5MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2022-11-23 15:21:20,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 182.06ms. Allocated memory is still 172.0MB. Free memory was 93.7MB in the beginning and 72.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 15:21:20,281 INFO L158 Benchmark]: Boogie Preprocessor took 184.95ms. Allocated memory is still 172.0MB. Free memory was 72.8MB in the beginning and 61.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 15:21:20,282 INFO L158 Benchmark]: RCFGBuilder took 122512.75ms. Allocated memory was 172.0MB in the beginning and 914.4MB in the end (delta: 742.4MB). Free memory was 61.2MB in the beginning and 796.0MB in the end (delta: -734.8MB). Peak memory consumption was 505.7MB. Max. memory is 16.1GB. [2022-11-23 15:21:20,284 INFO L158 Benchmark]: TraceAbstraction took 953.91ms. Allocated memory is still 914.4MB. Free memory was 796.0MB in the beginning and 726.8MB in the end (delta: 69.2MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2022-11-23 15:21:20,285 INFO L158 Benchmark]: Witness Printer took 6.12ms. Allocated memory is still 914.4MB. Free memory was 726.8MB in the beginning and 725.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:21:20,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1129.02ms. Allocated memory was 125.8MB in the beginning and 172.0MB in the end (delta: 46.1MB). Free memory was 78.2MB in the beginning and 93.7MB in the end (delta: -15.5MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 182.06ms. Allocated memory is still 172.0MB. Free memory was 93.7MB in the beginning and 72.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 184.95ms. Allocated memory is still 172.0MB. Free memory was 72.8MB in the beginning and 61.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 122512.75ms. Allocated memory was 172.0MB in the beginning and 914.4MB in the end (delta: 742.4MB). Free memory was 61.2MB in the beginning and 796.0MB in the end (delta: -734.8MB). Peak memory consumption was 505.7MB. Max. memory is 16.1GB. * TraceAbstraction took 953.91ms. Allocated memory is still 914.4MB. Free memory was 796.0MB in the beginning and 726.8MB in the end (delta: 69.2MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * Witness Printer took 6.12ms. Allocated memory is still 914.4MB. Free memory was 726.8MB in the beginning and 725.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 366, overapproximation of bitwiseOr at line 346, overapproximation of bitwiseAnd at line 243. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 2); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (2 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 3); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (3 - 1); [L34] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 4); [L35] const SORT_12 msb_SORT_12 = (SORT_12)1 << (4 - 1); [L37] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 8); [L38] const SORT_16 msb_SORT_16 = (SORT_16)1 << (8 - 1); [L40] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 7); [L41] const SORT_21 msb_SORT_21 = (SORT_21)1 << (7 - 1); [L43] const SORT_21 var_22 = 1; [L44] const SORT_21 var_25 = 4; [L45] const SORT_21 var_29 = 8; [L46] const SORT_21 var_33 = 0; [L47] const SORT_3 var_42 = 1; [L48] const SORT_3 var_46 = 0; [L49] const SORT_6 var_131 = 0; [L50] const SORT_21 var_686 = 2; [L51] const SORT_21 var_703 = 64; [L52] const SORT_21 var_746 = 16; [L53] const SORT_21 var_761 = 32; [L55] SORT_1 input_2; [L56] SORT_3 input_4; [L57] SORT_3 input_5; [L58] SORT_6 input_7; [L59] SORT_3 input_8; [L60] SORT_3 input_9; [L61] SORT_3 input_10; [L62] SORT_3 input_11; [L63] SORT_12 input_13; [L64] SORT_3 input_14; [L65] SORT_3 input_15; [L66] SORT_16 input_17; [L67] SORT_3 input_18; [L68] SORT_3 input_19; [L69] SORT_3 input_20; [L70] SORT_3 input_353; [L71] SORT_3 input_375; [L72] SORT_3 input_390; [L73] SORT_3 input_405; [L74] SORT_3 input_420; [L75] SORT_3 input_435; [L76] SORT_3 input_450; [L77] SORT_3 input_465; [L78] SORT_3 input_480; [L79] SORT_3 input_495; [L80] SORT_3 input_510; [L81] SORT_3 input_525; [L82] SORT_3 input_540; [L83] SORT_3 input_555; [L84] SORT_3 input_570; [L85] SORT_3 input_585; [L86] SORT_3 input_601; [L87] SORT_3 input_603; [L88] SORT_3 input_605; [L89] SORT_3 input_607; [L90] SORT_3 input_609; [L91] SORT_3 input_611; [L92] SORT_3 input_613; [L93] SORT_3 input_615; [L94] SORT_3 input_620; [L95] SORT_21 input_661; [L96] SORT_21 input_662; [L97] SORT_21 input_663; [L98] SORT_21 input_664; [L99] SORT_21 input_667; [L100] SORT_21 input_671; [L101] SORT_21 input_675; [L102] SORT_21 input_683; [L103] SORT_21 input_688; [L104] SORT_21 input_690; [L105] SORT_21 input_694; [L106] SORT_21 input_697; [L107] SORT_21 input_701; [L108] SORT_21 input_707; [L109] SORT_21 input_711; [L110] SORT_21 input_716; [L111] SORT_21 input_718; [L112] SORT_21 input_719; [L113] SORT_21 input_721; [L114] SORT_21 input_725; [L115] SORT_21 input_730; [L116] SORT_21 input_737; [L117] SORT_21 input_738; [L118] SORT_21 input_740; [L119] SORT_21 input_744; [L120] SORT_21 input_750; [L121] SORT_21 input_752; [L122] SORT_21 input_753; [L123] SORT_21 input_755; [L124] SORT_21 input_759; [L125] SORT_21 input_765; [L126] SORT_21 input_769; [L127] SORT_21 input_774; [L128] SORT_21 input_776; [L129] SORT_21 input_782; [L130] SORT_21 input_794; [L131] SORT_3 input_799; [L132] SORT_3 input_808; [L133] SORT_3 input_827; [L134] SORT_3 input_834; [L135] SORT_3 input_845; [L136] SORT_3 input_851; [L137] SORT_3 input_857; [L138] SORT_3 input_863; [L139] SORT_3 input_869; [L140] SORT_3 input_875; [L141] SORT_3 input_881; [L142] SORT_3 input_887; [L143] SORT_3 input_893; [L144] SORT_3 input_899; [L145] SORT_3 input_905; [L146] SORT_3 input_911; [L147] SORT_3 input_917; [L149] SORT_21 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L150] SORT_21 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L151] SORT_3 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L152] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L153] SORT_3 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L154] SORT_3 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L155] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L156] SORT_3 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L157] SORT_3 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L158] SORT_3 state_96 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L159] SORT_3 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L160] SORT_3 state_101 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L161] SORT_3 state_105 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L162] SORT_3 state_109 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L163] SORT_3 state_114 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L164] SORT_3 state_117 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L165] SORT_3 state_127 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L166] SORT_3 state_134 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L167] SORT_3 state_137 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L168] SORT_3 state_146 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L169] SORT_3 state_151 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L170] SORT_3 state_154 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L171] SORT_3 state_166 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L172] SORT_3 state_176 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L173] SORT_3 state_181 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L174] SORT_3 state_184 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L175] SORT_3 state_193 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L176] SORT_3 state_206 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L177] SORT_3 state_219 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L179] SORT_21 init_24_arg_1 = var_22; [L180] state_23 = init_24_arg_1 [L181] SORT_21 init_28_arg_1 = var_22; [L182] state_27 = init_28_arg_1 [L183] SORT_3 init_48_arg_1 = var_46; [L184] state_47 = init_48_arg_1 [L185] SORT_3 init_50_arg_1 = var_46; [L186] state_49 = init_50_arg_1 [L187] SORT_3 init_52_arg_1 = var_46; [L188] state_51 = init_52_arg_1 [L189] SORT_3 init_56_arg_1 = var_46; [L190] state_55 = init_56_arg_1 [L191] SORT_3 init_60_arg_1 = var_46; [L192] state_59 = init_60_arg_1 [L193] SORT_3 init_64_arg_1 = var_46; [L194] state_63 = init_64_arg_1 [L195] SORT_3 init_80_arg_1 = var_46; [L196] state_79 = init_80_arg_1 [L197] SORT_3 init_97_arg_1 = var_46; [L198] state_96 = init_97_arg_1 [L199] SORT_3 init_100_arg_1 = var_46; [L200] state_99 = init_100_arg_1 [L201] SORT_3 init_102_arg_1 = var_46; [L202] state_101 = init_102_arg_1 [L203] SORT_3 init_106_arg_1 = var_46; [L204] state_105 = init_106_arg_1 [L205] SORT_3 init_110_arg_1 = var_46; [L206] state_109 = init_110_arg_1 [L207] SORT_3 init_115_arg_1 = var_46; [L208] state_114 = init_115_arg_1 [L209] SORT_3 init_118_arg_1 = var_46; [L210] state_117 = init_118_arg_1 [L211] SORT_3 init_128_arg_1 = var_46; [L212] state_127 = init_128_arg_1 [L213] SORT_3 init_135_arg_1 = var_46; [L214] state_134 = init_135_arg_1 [L215] SORT_3 init_138_arg_1 = var_46; [L216] state_137 = init_138_arg_1 [L217] SORT_3 init_147_arg_1 = var_46; [L218] state_146 = init_147_arg_1 [L219] SORT_3 init_152_arg_1 = var_46; [L220] state_151 = init_152_arg_1 [L221] SORT_3 init_155_arg_1 = var_46; [L222] state_154 = init_155_arg_1 [L223] SORT_3 init_167_arg_1 = var_46; [L224] state_166 = init_167_arg_1 [L225] SORT_3 init_177_arg_1 = var_46; [L226] state_176 = init_177_arg_1 [L227] SORT_3 init_182_arg_1 = var_46; [L228] state_181 = init_182_arg_1 [L229] SORT_3 init_185_arg_1 = var_46; [L230] state_184 = init_185_arg_1 [L231] SORT_3 init_194_arg_1 = var_46; [L232] state_193 = init_194_arg_1 [L233] SORT_3 init_207_arg_1 = var_46; [L234] state_206 = init_207_arg_1 [L235] SORT_3 init_220_arg_1 = var_46; [L236] state_219 = init_220_arg_1 VAL [init_100_arg_1=0, init_102_arg_1=0, init_106_arg_1=0, init_110_arg_1=0, init_115_arg_1=0, init_118_arg_1=0, init_128_arg_1=0, init_135_arg_1=0, init_138_arg_1=0, init_147_arg_1=0, init_152_arg_1=0, init_155_arg_1=0, init_167_arg_1=0, init_177_arg_1=0, init_182_arg_1=0, init_185_arg_1=0, init_194_arg_1=0, init_207_arg_1=0, init_220_arg_1=0, init_24_arg_1=1, init_28_arg_1=1, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_56_arg_1=0, init_60_arg_1=0, init_64_arg_1=0, init_80_arg_1=0, init_97_arg_1=0, mask_SORT_1=3, mask_SORT_12=15, mask_SORT_16=255, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, msb_SORT_1=2, msb_SORT_12=8, msb_SORT_16=128, msb_SORT_21=64, msb_SORT_3=1, msb_SORT_6=4, state_101=0, state_105=0, state_109=0, state_114=0, state_117=0, state_127=0, state_134=0, state_137=0, state_146=0, state_151=0, state_154=0, state_166=0, state_176=0, state_181=0, state_184=0, state_193=0, state_206=0, state_219=0, state_23=1, state_27=1, state_47=0, state_49=0, state_51=0, state_55=0, state_59=0, state_63=0, state_79=0, state_96=0, state_99=0, var_131=0, var_22=1, var_25=4, var_29=8, var_33=0, var_42=1, var_46=0, var_686=2, var_703=64, var_746=16, var_761=32] [L239] input_2 = __VERIFIER_nondet_uchar() [L240] input_4 = __VERIFIER_nondet_uchar() [L241] input_5 = __VERIFIER_nondet_uchar() [L242] input_7 = __VERIFIER_nondet_uchar() [L243] input_7 = input_7 & mask_SORT_6 [L244] input_8 = __VERIFIER_nondet_uchar() [L245] input_9 = __VERIFIER_nondet_uchar() [L246] input_10 = __VERIFIER_nondet_uchar() [L247] input_11 = __VERIFIER_nondet_uchar() [L248] input_13 = __VERIFIER_nondet_uchar() [L249] input_14 = __VERIFIER_nondet_uchar() [L250] input_15 = __VERIFIER_nondet_uchar() [L251] input_17 = __VERIFIER_nondet_uchar() [L252] input_18 = __VERIFIER_nondet_uchar() [L253] input_19 = __VERIFIER_nondet_uchar() [L254] input_20 = __VERIFIER_nondet_uchar() [L255] input_353 = __VERIFIER_nondet_uchar() [L256] input_375 = __VERIFIER_nondet_uchar() [L257] input_390 = __VERIFIER_nondet_uchar() [L258] input_405 = __VERIFIER_nondet_uchar() [L259] input_420 = __VERIFIER_nondet_uchar() [L260] input_435 = __VERIFIER_nondet_uchar() [L261] input_450 = __VERIFIER_nondet_uchar() [L262] input_465 = __VERIFIER_nondet_uchar() [L263] input_480 = __VERIFIER_nondet_uchar() [L264] input_495 = __VERIFIER_nondet_uchar() [L265] input_510 = __VERIFIER_nondet_uchar() [L266] input_525 = __VERIFIER_nondet_uchar() [L267] input_540 = __VERIFIER_nondet_uchar() [L268] input_555 = __VERIFIER_nondet_uchar() [L269] input_570 = __VERIFIER_nondet_uchar() [L270] input_585 = __VERIFIER_nondet_uchar() [L271] input_601 = __VERIFIER_nondet_uchar() [L272] input_603 = __VERIFIER_nondet_uchar() [L273] input_605 = __VERIFIER_nondet_uchar() [L274] input_607 = __VERIFIER_nondet_uchar() [L275] input_609 = __VERIFIER_nondet_uchar() [L276] input_611 = __VERIFIER_nondet_uchar() [L277] input_613 = __VERIFIER_nondet_uchar() [L278] input_615 = __VERIFIER_nondet_uchar() [L279] input_620 = __VERIFIER_nondet_uchar() [L280] input_661 = __VERIFIER_nondet_uchar() [L281] input_662 = __VERIFIER_nondet_uchar() [L282] input_663 = __VERIFIER_nondet_uchar() [L283] input_664 = __VERIFIER_nondet_uchar() [L284] input_667 = __VERIFIER_nondet_uchar() [L285] input_671 = __VERIFIER_nondet_uchar() [L286] input_675 = __VERIFIER_nondet_uchar() [L287] input_683 = __VERIFIER_nondet_uchar() [L288] input_688 = __VERIFIER_nondet_uchar() [L289] input_690 = __VERIFIER_nondet_uchar() [L290] input_694 = __VERIFIER_nondet_uchar() [L291] input_697 = __VERIFIER_nondet_uchar() [L292] input_701 = __VERIFIER_nondet_uchar() [L293] input_707 = __VERIFIER_nondet_uchar() [L294] input_711 = __VERIFIER_nondet_uchar() [L295] input_716 = __VERIFIER_nondet_uchar() [L296] input_718 = __VERIFIER_nondet_uchar() [L297] input_719 = __VERIFIER_nondet_uchar() [L298] input_721 = __VERIFIER_nondet_uchar() [L299] input_725 = __VERIFIER_nondet_uchar() [L300] input_730 = __VERIFIER_nondet_uchar() [L301] input_737 = __VERIFIER_nondet_uchar() [L302] input_738 = __VERIFIER_nondet_uchar() [L303] input_740 = __VERIFIER_nondet_uchar() [L304] input_744 = __VERIFIER_nondet_uchar() [L305] input_750 = __VERIFIER_nondet_uchar() [L306] input_752 = __VERIFIER_nondet_uchar() [L307] input_753 = __VERIFIER_nondet_uchar() [L308] input_755 = __VERIFIER_nondet_uchar() [L309] input_759 = __VERIFIER_nondet_uchar() [L310] input_765 = __VERIFIER_nondet_uchar() [L311] input_769 = __VERIFIER_nondet_uchar() [L312] input_774 = __VERIFIER_nondet_uchar() [L313] input_776 = __VERIFIER_nondet_uchar() [L314] input_782 = __VERIFIER_nondet_uchar() [L315] input_794 = __VERIFIER_nondet_uchar() [L316] input_799 = __VERIFIER_nondet_uchar() [L317] input_808 = __VERIFIER_nondet_uchar() [L318] input_827 = __VERIFIER_nondet_uchar() [L319] input_834 = __VERIFIER_nondet_uchar() [L320] input_845 = __VERIFIER_nondet_uchar() [L321] input_851 = __VERIFIER_nondet_uchar() [L322] input_857 = __VERIFIER_nondet_uchar() [L323] input_863 = __VERIFIER_nondet_uchar() [L324] input_869 = __VERIFIER_nondet_uchar() [L325] input_875 = __VERIFIER_nondet_uchar() [L326] input_881 = __VERIFIER_nondet_uchar() [L327] input_887 = __VERIFIER_nondet_uchar() [L328] input_893 = __VERIFIER_nondet_uchar() [L329] input_899 = __VERIFIER_nondet_uchar() [L330] input_905 = __VERIFIER_nondet_uchar() [L331] input_911 = __VERIFIER_nondet_uchar() [L332] input_917 = __VERIFIER_nondet_uchar() [L335] SORT_21 var_26_arg_0 = state_23; [L336] SORT_21 var_26_arg_1 = var_25; [L337] SORT_3 var_26 = var_26_arg_0 == var_26_arg_1; [L338] SORT_21 var_30_arg_0 = state_27; [L339] SORT_21 var_30_arg_1 = var_29; [L340] SORT_3 var_30 = var_30_arg_0 == var_30_arg_1; [L341] SORT_21 var_31_arg_0 = state_27; [L342] SORT_21 var_31_arg_1 = var_22; [L343] SORT_3 var_31 = var_31_arg_0 == var_31_arg_1; [L344] SORT_3 var_32_arg_0 = var_30; [L345] SORT_3 var_32_arg_1 = var_31; [L346] SORT_3 var_32 = var_32_arg_0 | var_32_arg_1; [L347] SORT_21 var_34_arg_0 = state_27; [L348] SORT_21 var_34_arg_1 = var_33; [L349] SORT_3 var_34 = var_34_arg_0 == var_34_arg_1; [L350] SORT_3 var_35_arg_0 = var_32; [L351] SORT_3 var_35_arg_1 = var_34; [L352] SORT_3 var_35 = var_35_arg_0 | var_35_arg_1; [L353] SORT_21 var_36_arg_0 = state_27; [L354] SORT_21 var_36_arg_1 = var_25; [L355] SORT_3 var_36 = var_36_arg_0 == var_36_arg_1; [L356] SORT_3 var_37_arg_0 = var_35; [L357] SORT_3 var_37_arg_1 = var_36; [L358] SORT_3 var_37 = var_37_arg_0 | var_37_arg_1; [L359] SORT_3 var_38_arg_0 = var_26; [L360] SORT_3 var_38_arg_1 = var_37; [L361] SORT_3 var_38 = var_38_arg_0 & var_38_arg_1; [L362] SORT_21 var_39_arg_0 = state_23; [L363] SORT_21 var_39_arg_1 = var_25; [L364] SORT_3 var_39 = var_39_arg_0 == var_39_arg_1; [L365] SORT_3 var_40_arg_0 = var_39; [L366] SORT_3 var_40 = ~var_40_arg_0; [L367] SORT_3 var_41_arg_0 = var_38; [L368] SORT_3 var_41_arg_1 = var_40; [L369] SORT_3 var_41 = var_41_arg_0 | var_41_arg_1; [L370] SORT_3 var_43_arg_0 = var_41; [L371] SORT_3 var_43 = ~var_43_arg_0; [L372] SORT_3 var_44_arg_0 = var_42; [L373] SORT_3 var_44_arg_1 = var_43; [L374] SORT_3 var_44 = var_44_arg_0 & var_44_arg_1; [L375] var_44 = var_44 & mask_SORT_3 [L376] SORT_3 bad_45_arg_0 = var_44; [L377] CALL __VERIFIER_assert(!(bad_45_arg_0)) [L20] COND TRUE !(cond) VAL [cond=0, unknown-#in~cond-unknown=0] [L20] reach_error() VAL [cond=0, unknown-#in~cond-unknown=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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=7occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-23 15:21:20,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/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_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 456ad7d50b1a04e48a594b17937be8ede462f0848eac039d52c67e6778557ec8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:21:22,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:21:22,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:21:22,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:21:22,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:21:22,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:21:22,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:21:22,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:21:22,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:21:22,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:21:22,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:21:22,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:21:22,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:21:22,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:21:22,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:21:22,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:21:22,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:21:22,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:21:22,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:21:22,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:21:22,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:21:22,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:21:22,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:21:22,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:21:22,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:21:22,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:21:22,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:21:22,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:21:22,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:21:22,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:21:22,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:21:22,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:21:22,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:21:22,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:21:22,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:21:22,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:21:22,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:21:22,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:21:22,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:21:22,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:21:22,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:21:22,841 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-23 15:21:22,895 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:21:22,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:21:22,895 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:21:22,895 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:21:22,896 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:21:22,896 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:21:22,896 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:21:22,897 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:21:22,897 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:21:22,897 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:21:22,897 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:21:22,897 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:21:22,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:21:22,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:21:22,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:21:22,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:21:22,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:21:22,899 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:21:22,899 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 15:21:22,899 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 15:21:22,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:21:22,900 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:21:22,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:21:22,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:21:22,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 15:21:22,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:21:22,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:21:22,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:21:22,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:21:22,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:21:22,901 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 15:21:22,902 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 15:21:22,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:21:22,902 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:21:22,902 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 15:21:22,902 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 456ad7d50b1a04e48a594b17937be8ede462f0848eac039d52c67e6778557ec8 [2022-11-23 15:21:23,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:21:23,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:21:23,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:21:23,292 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:21:23,292 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:21:23,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c [2022-11-23 15:21:26,343 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:21:26,697 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:21:26,698 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c [2022-11-23 15:21:26,716 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/data/4fb9c4b70/f4be71ff8ecf4201b03204a95b6c17d7/FLAG184c363c0 [2022-11-23 15:21:26,732 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/data/4fb9c4b70/f4be71ff8ecf4201b03204a95b6c17d7 [2022-11-23 15:21:26,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:21:26,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:21:26,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:21:26,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:21:26,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:21:26,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:21:26" (1/1) ... [2022-11-23 15:21:26,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d8bddca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:26, skipping insertion in model container [2022-11-23 15:21:26,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:21:26" (1/1) ... [2022-11-23 15:21:26,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:21:26,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:21:27,035 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_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c[1107,1120] [2022-11-23 15:21:27,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:21:27,444 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:21:27,455 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_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c[1107,1120] [2022-11-23 15:21:27,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:21:27,650 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:21:27,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:27 WrapperNode [2022-11-23 15:21:27,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:21:27,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:21:27,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:21:27,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:21:27,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:27" (1/1) ... [2022-11-23 15:21:27,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:27" (1/1) ... [2022-11-23 15:21:27,819 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2479 [2022-11-23 15:21:27,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:21:27,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:21:27,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:21:27,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:21:27,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:27" (1/1) ... [2022-11-23 15:21:27,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:27" (1/1) ... [2022-11-23 15:21:27,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:27" (1/1) ... [2022-11-23 15:21:27,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:27" (1/1) ... [2022-11-23 15:21:27,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:27" (1/1) ... [2022-11-23 15:21:27,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:27" (1/1) ... [2022-11-23 15:21:27,931 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:27" (1/1) ... [2022-11-23 15:21:27,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:27" (1/1) ... [2022-11-23 15:21:27,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:21:27,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:21:27,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:21:27,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:21:27,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:27" (1/1) ... [2022-11-23 15:21:28,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:21:28,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:21:28,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:21:28,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:21:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:21:28,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:21:28,741 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:21:28,743 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:21:32,606 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:21:32,622 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:21:32,622 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:21:32,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:32 BoogieIcfgContainer [2022-11-23 15:21:32,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:21:32,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:21:32,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:21:32,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:21:32,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:21:26" (1/3) ... [2022-11-23 15:21:32,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496e3c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:21:32, skipping insertion in model container [2022-11-23 15:21:32,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:27" (2/3) ... [2022-11-23 15:21:32,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496e3c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:21:32, skipping insertion in model container [2022-11-23 15:21:32,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:32" (3/3) ... [2022-11-23 15:21:32,639 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c [2022-11-23 15:21:32,660 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:21:32,661 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:21:32,723 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:21:32,732 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=FINITE_AUTOMATA, 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;@542d3254, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:21:32,732 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:21:32,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:21:32,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 15:21:32,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:21:32,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 15:21:32,746 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:21:32,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:21:32,754 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-23 15:21:32,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:21:32,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [839288192] [2022-11-23 15:21:32,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:32,772 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:21:32,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:21:32,783 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:21:32,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 15:21:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:21:33,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-23 15:21:33,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:21:33,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:21:33,687 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:21:33,688 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:21:33,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [839288192] [2022-11-23 15:21:33,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [839288192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:21:33,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:21:33,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:21:33,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170285573] [2022-11-23 15:21:33,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:21:33,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:21:33,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:21:33,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:21:33,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:21:33,745 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:21:34,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:21:34,009 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-23 15:21:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:21:34,012 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-23 15:21:34,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:21:34,019 INFO L225 Difference]: With dead ends: 20 [2022-11-23 15:21:34,019 INFO L226 Difference]: Without dead ends: 11 [2022-11-23 15:21:34,022 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 [2022-11-23 15:21:34,025 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:21:34,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:21:34,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-23 15:21:34,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-23 15:21:34,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:21:34,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-23 15:21:34,057 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-23 15:21:34,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:21:34,057 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-23 15:21:34,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:21:34,057 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-23 15:21:34,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 15:21:34,058 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:21:34,058 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-23 15:21:34,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:21:34,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:21:34,271 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:21:34,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:21:34,272 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-23 15:21:34,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:21:34,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1000807257] [2022-11-23 15:21:34,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:34,276 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:21:34,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:21:34,277 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:21:34,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 15:21:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:21:35,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 2314 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-23 15:21:35,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:21:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:21:35,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:21:36,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:21:36,010 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:21:36,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1000807257] [2022-11-23 15:21:36,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1000807257] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:21:36,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1777389308] [2022-11-23 15:21:36,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:36,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 15:21:36,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 15:21:36,014 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 15:21:36,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-23 15:21:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:21:38,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 2314 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-23 15:21:38,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:21:38,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:21:38,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:21:38,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:21:38,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1777389308] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:21:38,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028043055] [2022-11-23 15:21:38,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:38,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:21:38,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:21:38,471 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:21:38,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:21:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:21:39,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 2314 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-23 15:21:39,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:21:39,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:21:39,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:21:39,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:21:39,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028043055] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:21:39,870 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-23 15:21:39,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 6, 6] total 11 [2022-11-23 15:21:39,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236815355] [2022-11-23 15:21:39,871 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-23 15:21:39,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 15:21:39,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:21:39,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 15:21:39,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-23 15:21:39,874 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:21:40,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:21:40,583 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-23 15:21:40,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:21:40,584 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-23 15:21:40,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:21:40,585 INFO L225 Difference]: With dead ends: 16 [2022-11-23 15:21:40,585 INFO L226 Difference]: Without dead ends: 14 [2022-11-23 15:21:40,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:21:40,586 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:21:40,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 26 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 15:21:40,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-23 15:21:40,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-23 15:21:40,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:21:40,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-23 15:21:40,591 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-23 15:21:40,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:21:40,591 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-23 15:21:40,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:21:40,592 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-23 15:21:40,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 15:21:40,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:21:40,593 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-23 15:21:40,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 15:21:40,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:21:41,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:21:41,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt [2022-11-23 15:21:41,205 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:21:41,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:21:41,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-23 15:21:41,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:21:41,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773796865] [2022-11-23 15:21:41,213 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 15:21:41,213 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:21:41,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:21:41,215 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:21:41,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/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 (6)] Waiting until timeout for monitored process [2022-11-23 15:21:43,001 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 15:21:43,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:21:43,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 4406 conjuncts, 187 conjunts are in the unsatisfiable core [2022-11-23 15:21:43,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:21:46,590 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:21:46,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:29:40,657 WARN L233 SmtUtils]: Spent 11.87s on a formula simplification. DAG size of input: 1136 DAG size of output: 392 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:29:41,361 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:29:41,361 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:29:41,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773796865] [2022-11-23 15:29:41,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [773796865] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:29:41,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1297930082] [2022-11-23 15:29:41,361 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 15:29:41,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 15:29:41,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 15:29:41,363 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 15:29:41,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-11-23 15:29:44,921 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 15:29:44,921 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:29:45,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 4406 conjuncts, 186 conjunts are in the unsatisfiable core [2022-11-23 15:29:45,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:29:48,759 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:29:48,759 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:31:21,265 WARN L233 SmtUtils]: Spent 7.64s on a formula simplification. DAG size of input: 920 DAG size of output: 301 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:31:21,950 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:31:21,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1297930082] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:31:21,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954835498] [2022-11-23 15:31:21,951 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 15:31:21,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:31:21,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:31:21,952 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:31:21,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 15:31:23,555 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 15:31:23,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:31:23,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 4406 conjuncts, 138 conjunts are in the unsatisfiable core [2022-11-23 15:31:23,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:31:27,500 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:31:27,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:31:46,768 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 15:31:46,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954835498] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:31:46,768 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-23 15:31:46,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7, 6, 6, 6] total 21 [2022-11-23 15:31:46,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251295124] [2022-11-23 15:31:46,769 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-23 15:31:46,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-23 15:31:46,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:31:46,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-23 15:31:46,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:31:46,772 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 21 states, 21 states have (on average 2.238095238095238) internal successors, (47), 21 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:31:48,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:31:48,297 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2022-11-23 15:31:48,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:31:48,307 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.238095238095238) internal successors, (47), 21 states have internal predecessors, (47), 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 11 [2022-11-23 15:31:48,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:31:48,307 INFO L225 Difference]: With dead ends: 16 [2022-11-23 15:31:48,307 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:31:48,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 35 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 27.0s TimeCoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2022-11-23 15:31:48,309 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 26 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:31:48,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 13 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-23 15:31:48,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:31:48,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:31:48,311 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) [2022-11-23 15:31:48,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:31:48,311 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-11-23 15:31:48,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:31:48,311 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:31:48,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.238095238095238) internal successors, (47), 21 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:31:48,312 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:31:48,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:31:48,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 15:31:48,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2022-11-23 15:31:48,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/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 (6)] Ended with exit code 0 [2022-11-23 15:31:48,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-23 15:31:48,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:31:48,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:31:49,295 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:31:49,295 INFO L895 garLoopResultBuilder]: At program point L2385(lines 22 2386) the Hoare annotation is: false [2022-11-23 15:31:49,295 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 15:31:49,296 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 15:31:49,296 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 15:31:49,296 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-23 15:31:49,296 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-23 15:31:49,296 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-23 15:31:49,296 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-23 15:31:49,297 INFO L895 garLoopResultBuilder]: At program point L237-2(lines 237 2384) the Hoare annotation is: (let ((.cse0 (= (_ bv16 8) |ULTIMATE.start_main_~var_746~0#1|)) (.cse1 (= (_ bv127 8) |ULTIMATE.start_main_~mask_SORT_21~0#1|)) (.cse2 (= (_ bv4 8) |ULTIMATE.start_main_~var_25~0#1|)) (.cse3 (= (_ bv64 8) |ULTIMATE.start_main_~var_703~0#1|)) (.cse4 (= (_ bv8 8) |ULTIMATE.start_main_~var_29~0#1|)) (.cse5 (= (_ bv32 8) |ULTIMATE.start_main_~var_761~0#1|)) (.cse6 (= |ULTIMATE.start_main_~mask_SORT_1~0#1| (_ bv3 8))) (.cse7 (= (_ bv7 8) |ULTIMATE.start_main_~mask_SORT_6~0#1|)) (.cse8 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|))) (or (and (= |ULTIMATE.start_main_~var_33~0#1| (_ bv0 8)) .cse0 (= (_ bv1 8) |ULTIMATE.start_main_~state_27~0#1|) .cse1 (= (_ bv0 8) |ULTIMATE.start_main_~state_79~0#1|) .cse2 (= (_ bv2 8) |ULTIMATE.start_main_~var_686~0#1|) .cse3 (= (_ bv0 8) |ULTIMATE.start_main_~state_51~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~state_23~0#1|) .cse4 (= (_ bv0 8) |ULTIMATE.start_main_~state_63~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_55~0#1|) (= |ULTIMATE.start_main_~state_51~0#1| |ULTIMATE.start_main_~state_49~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_59~0#1|) .cse5 .cse6 .cse7 (= |ULTIMATE.start_main_~var_22~0#1| |ULTIMATE.start_main_~state_27~0#1|) .cse8) (and (= (_ bv1 8) |ULTIMATE.start_main_~var_22~0#1|) .cse0 (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1 .cse2 (let ((.cse9 ((_ zero_extend 24) |ULTIMATE.start_main_~state_23~0#1|))) (or (and (not (= .cse9 ((_ zero_extend 24) |ULTIMATE.start_main_~var_25~0#1|))) (exists ((|ULTIMATE.start_main_~var_793_arg_1~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_793_arg_1~0#1|))))))) (_ bv127 32))) |ULTIMATE.start_main_~state_27~0#1|))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse9)))))))))))))))))))))))) (_ bv127 32))) |ULTIMATE.start_main_~state_27~0#1|) (= ((_ extract 7 0) (bvand (_ bv127 32) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_22~0#1|))))))))))))))))))))))))))) |ULTIMATE.start_main_~state_27~0#1|) (= ((_ extract 7 0) (bvand (_ bv127 32) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_29~0#1|))))))))))))))))))) |ULTIMATE.start_main_~state_27~0#1|))) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2022-11-23 15:31:49,298 INFO L899 garLoopResultBuilder]: For program point L237-3(lines 237 2384) no Hoare annotation was computed. [2022-11-23 15:31:49,301 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1] [2022-11-23 15:31:49,303 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:31:49,311 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_793_arg_1~0#1,QUANTIFIED] [2022-11-23 15:31:49,319 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_793_arg_1~0#1,QUANTIFIED] [2022-11-23 15:31:49,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:31:49 BoogieIcfgContainer [2022-11-23 15:31:49,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:31:49,323 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:31:49,323 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:31:49,324 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:31:49,324 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:32" (3/4) ... [2022-11-23 15:31:49,328 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:31:49,360 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-23 15:31:49,363 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 15:31:49,366 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:31:49,397 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((var_33 == 0bv8 && 16bv8 == var_746) && 1bv8 == state_27) && 127bv8 == mask_SORT_21) && 0bv8 == state_79) && 4bv8 == var_25) && 2bv8 == var_686) && 64bv8 == var_703) && 0bv8 == state_51) && 1bv8 == state_23) && 8bv8 == var_29) && 0bv8 == state_63) && 0bv8 == state_55) && state_51 == state_49) && 0bv8 == state_59) && 32bv8 == var_761) && mask_SORT_1 == 3bv8) && 7bv8 == mask_SORT_6) && var_22 == state_27) && 1bv8 == mask_SORT_3) || (((((((((((1bv8 == var_22 && 16bv8 == var_746) && cond == 1bv32) && 127bv8 == mask_SORT_21) && 4bv8 == var_25) && ((((!(~zero_extendFrom8To32(state_23) == ~zero_extendFrom8To32(var_25)) && (\exists ULTIMATE.start_main_~var_793_arg_1~0#1 : bv8 :: ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_793_arg_1~0#1)[7:0])[7:0])[7:0]), 127bv32)[7:0] == state_27)) || ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(state_23)[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0]), 127bv32)[7:0] == state_27) || ~bvand32(127bv32, ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(var_22)[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0]))[7:0] == state_27) || ~bvand32(127bv32, ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(var_29)[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0]))[7:0] == state_27)) && 64bv8 == var_703) && 8bv8 == var_29) && 32bv8 == var_761) && mask_SORT_1 == 3bv8) && 7bv8 == mask_SORT_6) && 1bv8 == mask_SORT_3) [2022-11-23 15:31:49,550 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:31:49,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:31:49,551 INFO L158 Benchmark]: Toolchain (without parser) took 622815.64ms. Allocated memory was 73.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 42.9MB in the beginning and 950.7MB in the end (delta: -907.8MB). Peak memory consumption was 337.0MB. Max. memory is 16.1GB. [2022-11-23 15:31:49,552 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:31:49,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 914.45ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 42.7MB in the beginning and 50.9MB in the end (delta: -8.2MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-11-23 15:31:49,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 176.54ms. Allocated memory is still 94.4MB. Free memory was 50.9MB in the beginning and 49.7MB in the end (delta: 1.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2022-11-23 15:31:49,553 INFO L158 Benchmark]: Boogie Preprocessor took 159.76ms. Allocated memory is still 94.4MB. Free memory was 49.7MB in the beginning and 39.6MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 15:31:49,553 INFO L158 Benchmark]: RCFGBuilder took 4636.24ms. Allocated memory was 94.4MB in the beginning and 182.5MB in the end (delta: 88.1MB). Free memory was 39.6MB in the beginning and 75.1MB in the end (delta: -35.5MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. [2022-11-23 15:31:49,553 INFO L158 Benchmark]: TraceAbstraction took 616692.82ms. Allocated memory was 182.5MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 74.1MB in the beginning and 981.1MB in the end (delta: -907.0MB). Peak memory consumption was 230.7MB. Max. memory is 16.1GB. [2022-11-23 15:31:49,554 INFO L158 Benchmark]: Witness Printer took 227.62ms. Allocated memory is still 1.3GB. Free memory was 981.1MB in the beginning and 950.7MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-23 15:31:49,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 914.45ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 42.7MB in the beginning and 50.9MB in the end (delta: -8.2MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 176.54ms. Allocated memory is still 94.4MB. Free memory was 50.9MB in the beginning and 49.7MB in the end (delta: 1.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 159.76ms. Allocated memory is still 94.4MB. Free memory was 49.7MB in the beginning and 39.6MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4636.24ms. Allocated memory was 94.4MB in the beginning and 182.5MB in the end (delta: 88.1MB). Free memory was 39.6MB in the beginning and 75.1MB in the end (delta: -35.5MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. * TraceAbstraction took 616692.82ms. Allocated memory was 182.5MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 74.1MB in the beginning and 981.1MB in the end (delta: -907.0MB). Peak memory consumption was 230.7MB. Max. memory is 16.1GB. * Witness Printer took 227.62ms. Allocated memory is still 1.3GB. Free memory was 981.1MB in the beginning and 950.7MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. 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[ULTIMATE.start_main_~var_793_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_793_arg_1~0#1,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: 616.6s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 11 mSDtfsCounter, 55 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 68 SyntacticMatches, 8 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 27.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 20, 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, 6 NumberOfFragments, 204 HoareAnnotationTreeSize, 2 FomulaSimplifications, 23 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 132 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.0s SsaConstructionTime, 6.2s SatisfiabilityAnalysisTime, 599.9s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 106 ConstructedInterpolants, 34 QuantifiedInterpolants, 10276 SizeOfPredicates, 656 NumberOfNonLiveVariables, 20382 ConjunctsInSsa, 606 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 3/54 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: 237]: Loop Invariant [2022-11-23 15:31:49,577 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_793_arg_1~0#1,QUANTIFIED] [2022-11-23 15:31:49,581 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_793_arg_1~0#1,QUANTIFIED] Derived loop invariant: (((((((((((((((((((var_33 == 0bv8 && 16bv8 == var_746) && 1bv8 == state_27) && 127bv8 == mask_SORT_21) && 0bv8 == state_79) && 4bv8 == var_25) && 2bv8 == var_686) && 64bv8 == var_703) && 0bv8 == state_51) && 1bv8 == state_23) && 8bv8 == var_29) && 0bv8 == state_63) && 0bv8 == state_55) && state_51 == state_49) && 0bv8 == state_59) && 32bv8 == var_761) && mask_SORT_1 == 3bv8) && 7bv8 == mask_SORT_6) && var_22 == state_27) && 1bv8 == mask_SORT_3) || (((((((((((1bv8 == var_22 && 16bv8 == var_746) && cond == 1bv32) && 127bv8 == mask_SORT_21) && 4bv8 == var_25) && ((((!(~zero_extendFrom8To32(state_23) == ~zero_extendFrom8To32(var_25)) && (\exists ULTIMATE.start_main_~var_793_arg_1~0#1 : bv8 :: ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_793_arg_1~0#1)[7:0])[7:0])[7:0]), 127bv32)[7:0] == state_27)) || ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(state_23)[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0]), 127bv32)[7:0] == state_27) || ~bvand32(127bv32, ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(var_22)[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0]))[7:0] == state_27) || ~bvand32(127bv32, ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(var_29)[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0]))[7:0] == state_27)) && 64bv8 == var_703) && 8bv8 == var_29) && 32bv8 == var_761) && mask_SORT_1 == 3bv8) && 7bv8 == mask_SORT_6) && 1bv8 == mask_SORT_3) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-23 15:31:49,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a9717d2-bfb5-4d9b-9f34-01b68fd20b1c/bin/utaipan-Q6hlc19bkW/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