./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh --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 67e059c33a41ae8b9e2c5cf27b32223caaf1b02cd8d48df759d586382f492369 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 09:06:40,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:06:40,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:06:40,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:06:40,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:06:40,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:06:40,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:06:40,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:06:40,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:06:40,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:06:40,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:06:40,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:06:40,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:06:40,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:06:40,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:06:40,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:06:40,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:06:40,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:06:40,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:06:40,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:06:40,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:06:40,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:06:40,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:06:40,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:06:40,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:06:40,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:06:40,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:06:40,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:06:40,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:06:40,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:06:40,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:06:40,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:06:40,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:06:40,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:06:40,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:06:40,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:06:40,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:06:40,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:06:40,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:06:40,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:06:40,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:06:40,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 09:06:40,157 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:06:40,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:06:40,157 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:06:40,157 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:06:40,158 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:06:40,158 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:06:40,158 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:06:40,158 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:06:40,158 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:06:40,158 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:06:40,158 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:06:40,159 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:06:40,159 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:06:40,159 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:06:40,159 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:06:40,159 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:06:40,159 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:06:40,159 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:06:40,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:06:40,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:06:40,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:06:40,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:06:40,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:06:40,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:06:40,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:06:40,161 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:06:40,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:06:40,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:06:40,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:06:40,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:06:40,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:06:40,161 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:06:40,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:06:40,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:06:40,162 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:06:40,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:06:40,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:06:40,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:06:40,162 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_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e059c33a41ae8b9e2c5cf27b32223caaf1b02cd8d48df759d586382f492369 [2022-12-14 09:06:40,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:06:40,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:06:40,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:06:40,342 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:06:40,343 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:06:40,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c [2022-12-14 09:06:42,961 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:06:43,093 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:06:43,094 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c [2022-12-14 09:06:43,099 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/data/d287ad59f/0f40148e57514ba699db31c919514611/FLAGaff90d50f [2022-12-14 09:06:43,110 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/data/d287ad59f/0f40148e57514ba699db31c919514611 [2022-12-14 09:06:43,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:06:43,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:06:43,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:06:43,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:06:43,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:06:43,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:06:43" (1/1) ... [2022-12-14 09:06:43,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65bf2599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:43, skipping insertion in model container [2022-12-14 09:06:43,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:06:43" (1/1) ... [2022-12-14 09:06:43,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:06:43,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:06:43,261 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_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c[1107,1120] [2022-12-14 09:06:43,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:06:43,317 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:06:43,324 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_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c[1107,1120] [2022-12-14 09:06:43,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:06:43,366 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:06:43,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:43 WrapperNode [2022-12-14 09:06:43,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:06:43,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:06:43,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:06:43,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:06:43,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:43" (1/1) ... [2022-12-14 09:06:43,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:43" (1/1) ... [2022-12-14 09:06:43,402 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 323 [2022-12-14 09:06:43,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:06:43,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:06:43,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:06:43,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:06:43,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:43" (1/1) ... [2022-12-14 09:06:43,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:43" (1/1) ... [2022-12-14 09:06:43,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:43" (1/1) ... [2022-12-14 09:06:43,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:43" (1/1) ... [2022-12-14 09:06:43,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:43" (1/1) ... [2022-12-14 09:06:43,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:43" (1/1) ... [2022-12-14 09:06:43,424 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:43" (1/1) ... [2022-12-14 09:06:43,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:43" (1/1) ... [2022-12-14 09:06:43,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:06:43,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:06:43,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:06:43,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:06:43,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:43" (1/1) ... [2022-12-14 09:06:43,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:06:43,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:06:43,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:06:43,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:06:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:06:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:06:43,583 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:06:43,585 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:06:43,977 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:06:43,994 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:06:43,994 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 09:06:43,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:06:43 BoogieIcfgContainer [2022-12-14 09:06:43,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:06:43,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:06:43,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:06:44,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:06:44,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:06:43" (1/3) ... [2022-12-14 09:06:44,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205f18cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:06:44, skipping insertion in model container [2022-12-14 09:06:44,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:43" (2/3) ... [2022-12-14 09:06:44,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205f18cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:06:44, skipping insertion in model container [2022-12-14 09:06:44,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:06:43" (3/3) ... [2022-12-14 09:06:44,006 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v6.c [2022-12-14 09:06:44,022 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:06:44,022 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 09:06:44,062 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:06:44,068 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;@2e88ede3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:06:44,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 09:06:44,072 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) [2022-12-14 09:06:44,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 09:06:44,076 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:06:44,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 09:06:44,077 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:06:44,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:06:44,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-12-14 09:06:44,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:06:44,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546491172] [2022-12-14 09:06:44,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:06:44,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:06:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:06:44,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 09:06:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:06:44,326 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 09:06:44,327 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 09:06:44,328 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 09:06:44,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:06:44,332 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 09:06:44,335 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 09:06:44,349 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 09:06:44,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 09:06:44 BoogieIcfgContainer [2022-12-14 09:06:44,357 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 09:06:44,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 09:06:44,362 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 09:06:44,362 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 09:06:44,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:06:43" (3/4) ... [2022-12-14 09:06:44,366 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 09:06:44,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 09:06:44,367 INFO L158 Benchmark]: Toolchain (without parser) took 1254.00ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 101.9MB in the beginning and 142.7MB in the end (delta: -40.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:06:44,367 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory was 89.0MB in the beginning and 88.9MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:06:44,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.95ms. Allocated memory is still 144.7MB. Free memory was 101.9MB in the beginning and 85.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 09:06:44,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.82ms. Allocated memory is still 144.7MB. Free memory was 85.7MB in the beginning and 82.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 09:06:44,369 INFO L158 Benchmark]: Boogie Preprocessor took 24.74ms. Allocated memory is still 144.7MB. Free memory was 82.0MB in the beginning and 79.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:06:44,370 INFO L158 Benchmark]: RCFGBuilder took 568.53ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 79.9MB in the beginning and 104.7MB in the end (delta: -24.8MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-12-14 09:06:44,370 INFO L158 Benchmark]: TraceAbstraction took 357.54ms. Allocated memory is still 174.1MB. Free memory was 103.6MB in the beginning and 77.2MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 09:06:44,370 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 174.1MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:06:44,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory was 89.0MB in the beginning and 88.9MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.95ms. Allocated memory is still 144.7MB. Free memory was 101.9MB in the beginning and 85.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.82ms. Allocated memory is still 144.7MB. Free memory was 85.7MB in the beginning and 82.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.74ms. Allocated memory is still 144.7MB. Free memory was 82.0MB in the beginning and 79.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 568.53ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 79.9MB in the beginning and 104.7MB in the end (delta: -24.8MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * TraceAbstraction took 357.54ms. Allocated memory is still 174.1MB. Free memory was 103.6MB in the beginning and 77.2MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 174.1MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 151, overapproximation of bitwiseAnd at line 116. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L28] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L31] const SORT_1 var_9 = 0; [L32] const SORT_5 var_22 = 0; [L33] const SORT_5 var_31 = 1; [L34] const SORT_1 var_109 = 1; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_5 input_6; [L40] SORT_5 input_7; [L41] SORT_5 input_8; [L42] SORT_5 input_35; [L43] SORT_5 input_37; [L44] SORT_5 input_39; [L45] SORT_5 input_51; [L47] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] SORT_5 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] SORT_5 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] SORT_5 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L54] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_5 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L58] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L59] SORT_5 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L60] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L61] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L64] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L65] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] SORT_1 init_11_arg_1 = var_9; [L69] state_10 = init_11_arg_1 [L70] SORT_1 init_13_arg_1 = var_9; [L71] state_12 = init_13_arg_1 [L72] SORT_1 init_19_arg_1 = var_9; [L73] state_18 = init_19_arg_1 [L74] SORT_5 init_24_arg_1 = var_22; [L75] state_23 = init_24_arg_1 [L76] SORT_1 init_27_arg_1 = var_9; [L77] state_26 = init_27_arg_1 [L78] SORT_5 init_42_arg_1 = var_22; [L79] state_41 = init_42_arg_1 [L80] SORT_5 init_44_arg_1 = var_22; [L81] state_43 = init_44_arg_1 [L82] SORT_1 init_46_arg_1 = var_9; [L83] state_45 = init_46_arg_1 [L84] SORT_1 init_48_arg_1 = var_9; [L85] state_47 = init_48_arg_1 [L86] SORT_1 init_50_arg_1 = var_9; [L87] state_49 = init_50_arg_1 [L88] SORT_5 init_54_arg_1 = var_22; [L89] state_53 = init_54_arg_1 [L90] SORT_1 init_56_arg_1 = var_9; [L91] state_55 = init_56_arg_1 [L92] SORT_5 init_58_arg_1 = var_22; [L93] state_57 = init_58_arg_1 [L94] SORT_1 init_60_arg_1 = var_9; [L95] state_59 = init_60_arg_1 [L96] SORT_1 init_63_arg_1 = var_9; [L97] state_62 = init_63_arg_1 [L98] SORT_1 init_65_arg_1 = var_9; [L99] state_64 = init_65_arg_1 [L100] SORT_1 init_67_arg_1 = var_9; [L101] state_66 = init_67_arg_1 [L102] SORT_1 init_69_arg_1 = var_9; [L103] state_68 = init_69_arg_1 [L104] SORT_1 init_71_arg_1 = var_9; [L105] state_70 = init_71_arg_1 [L106] SORT_1 init_73_arg_1 = var_9; [L107] state_72 = init_73_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_22=0, var_31=1, var_9=0] [L110] input_2 = __VERIFIER_nondet_uchar() [L111] input_3 = __VERIFIER_nondet_uchar() [L112] input_4 = __VERIFIER_nondet_uchar() [L113] input_6 = __VERIFIER_nondet_uchar() [L114] input_7 = __VERIFIER_nondet_uchar() [L115] input_8 = __VERIFIER_nondet_uchar() [L116] input_8 = input_8 & mask_SORT_5 [L117] input_35 = __VERIFIER_nondet_uchar() [L118] input_37 = __VERIFIER_nondet_uchar() [L119] input_39 = __VERIFIER_nondet_uchar() [L120] input_51 = __VERIFIER_nondet_uchar() [L123] SORT_1 var_16_arg_0 = state_10; [L124] SORT_5 var_16 = var_16_arg_0 >> 0; [L125] var_16 = var_16 & mask_SORT_5 [L126] SORT_1 var_15_arg_0 = state_10; [L127] SORT_1 var_15_arg_1 = state_12; [L128] SORT_1 var_15 = var_15_arg_0 + var_15_arg_1; [L129] SORT_1 var_14_arg_0 = state_10; [L130] SORT_1 var_14_arg_1 = state_12; [L131] SORT_1 var_14 = var_14_arg_0 - var_14_arg_1; [L132] SORT_5 var_17_arg_0 = var_16; [L133] SORT_1 var_17_arg_1 = var_15; [L134] SORT_1 var_17_arg_2 = var_14; [L135] SORT_1 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L136] SORT_1 var_21_arg_0 = var_17; [L137] SORT_1 var_21_arg_1 = state_18; [L138] SORT_1 var_21 = var_21_arg_0 + var_21_arg_1; [L139] SORT_1 var_20_arg_0 = var_17; [L140] SORT_1 var_20_arg_1 = state_18; [L141] SORT_1 var_20 = var_20_arg_0 - var_20_arg_1; [L142] SORT_5 var_25_arg_0 = state_23; [L143] SORT_1 var_25_arg_1 = var_21; [L144] SORT_1 var_25_arg_2 = var_20; [L145] SORT_1 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; [L146] var_25 = var_25 & mask_SORT_1 [L147] SORT_1 var_28_arg_0 = var_25; [L148] SORT_1 var_28_arg_1 = state_26; [L149] SORT_5 var_28 = var_28_arg_0 == var_28_arg_1; [L150] SORT_5 var_32_arg_0 = var_28; [L151] SORT_5 var_32 = ~var_32_arg_0; [L152] SORT_5 var_33_arg_0 = var_31; [L153] SORT_5 var_33_arg_1 = var_32; [L154] SORT_5 var_33 = var_33_arg_0 & var_33_arg_1; [L155] var_33 = var_33 & mask_SORT_5 [L156] SORT_5 bad_34_arg_0 = var_33; [L157] CALL __VERIFIER_assert(!(bad_34_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 0.1s 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 [2022-12-14 09:06:44,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh --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 67e059c33a41ae8b9e2c5cf27b32223caaf1b02cd8d48df759d586382f492369 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 09:06:46,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:06:46,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:06:46,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:06:46,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:06:46,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:06:46,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:06:46,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:06:46,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:06:46,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:06:46,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:06:46,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:06:46,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:06:46,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:06:46,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:06:46,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:06:46,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:06:46,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:06:46,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:06:46,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:06:46,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:06:46,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:06:46,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:06:46,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:06:46,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:06:46,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:06:46,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:06:46,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:06:46,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:06:46,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:06:46,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:06:46,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:06:46,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:06:46,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:06:46,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:06:46,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:06:46,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:06:46,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:06:46,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:06:46,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:06:46,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:06:46,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 09:06:46,097 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:06:46,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:06:46,097 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:06:46,097 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:06:46,098 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:06:46,098 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:06:46,098 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:06:46,099 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:06:46,099 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:06:46,099 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:06:46,099 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:06:46,099 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:06:46,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:06:46,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:06:46,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:06:46,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:06:46,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:06:46,101 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 09:06:46,101 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 09:06:46,101 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 09:06:46,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:06:46,101 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:06:46,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:06:46,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:06:46,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 09:06:46,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:06:46,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:06:46,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:06:46,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:06:46,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:06:46,103 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 09:06:46,103 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 09:06:46,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:06:46,103 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:06:46,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 09:06:46,104 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_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e059c33a41ae8b9e2c5cf27b32223caaf1b02cd8d48df759d586382f492369 [2022-12-14 09:06:46,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:06:46,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:06:46,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:06:46,364 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:06:46,365 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:06:46,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c [2022-12-14 09:06:48,918 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:06:49,066 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:06:49,066 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c [2022-12-14 09:06:49,073 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/data/14b486c36/8f1e394eeb004f439e75723e991a97a8/FLAG1a630aaa3 [2022-12-14 09:06:49,084 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/data/14b486c36/8f1e394eeb004f439e75723e991a97a8 [2022-12-14 09:06:49,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:06:49,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:06:49,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:06:49,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:06:49,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:06:49,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:06:49" (1/1) ... [2022-12-14 09:06:49,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb2afda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:49, skipping insertion in model container [2022-12-14 09:06:49,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:06:49" (1/1) ... [2022-12-14 09:06:49,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:06:49,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:06:49,243 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_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c[1107,1120] [2022-12-14 09:06:49,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:06:49,303 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:06:49,311 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_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c[1107,1120] [2022-12-14 09:06:49,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:06:49,351 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:06:49,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:49 WrapperNode [2022-12-14 09:06:49,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:06:49,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:06:49,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:06:49,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:06:49,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:49" (1/1) ... [2022-12-14 09:06:49,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:49" (1/1) ... [2022-12-14 09:06:49,387 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 323 [2022-12-14 09:06:49,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:06:49,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:06:49,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:06:49,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:06:49,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:49" (1/1) ... [2022-12-14 09:06:49,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:49" (1/1) ... [2022-12-14 09:06:49,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:49" (1/1) ... [2022-12-14 09:06:49,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:49" (1/1) ... [2022-12-14 09:06:49,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:49" (1/1) ... [2022-12-14 09:06:49,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:49" (1/1) ... [2022-12-14 09:06:49,422 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:49" (1/1) ... [2022-12-14 09:06:49,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:49" (1/1) ... [2022-12-14 09:06:49,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:06:49,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:06:49,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:06:49,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:06:49,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:49" (1/1) ... [2022-12-14 09:06:49,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:06:49,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:06:49,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:06:49,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:06:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:06:49,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:06:49,605 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:06:49,607 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:06:49,869 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:06:49,875 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:06:49,875 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 09:06:49,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:06:49 BoogieIcfgContainer [2022-12-14 09:06:49,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:06:49,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:06:49,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:06:49,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:06:49,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:06:49" (1/3) ... [2022-12-14 09:06:49,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b671e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:06:49, skipping insertion in model container [2022-12-14 09:06:49,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:06:49" (2/3) ... [2022-12-14 09:06:49,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b671e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:06:49, skipping insertion in model container [2022-12-14 09:06:49,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:06:49" (3/3) ... [2022-12-14 09:06:49,891 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v6.c [2022-12-14 09:06:49,909 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:06:49,909 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 09:06:49,956 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:06:49,962 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;@70ee6ff2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:06:49,963 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 09:06:49,966 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:06:49,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 09:06:49,972 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:06:49,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 09:06:49,973 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:06:49,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:06:49,978 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-14 09:06:49,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:06:49,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468378133] [2022-12-14 09:06:49,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:06:49,992 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:06:49,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:06:49,993 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:06:49,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 09:06:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:06:50,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 38 conjunts are in the unsatisfiable core [2022-12-14 09:06:50,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:06:50,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:06:50,320 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:06:50,320 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:06:50,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [468378133] [2022-12-14 09:06:50,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [468378133] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:06:50,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:06:50,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:06:50,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671894828] [2022-12-14 09:06:50,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:06:50,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:06:50,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:06:50,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:06:50,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:06:50,351 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:06:50,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:06:50,411 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-14 09:06:50,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:06:50,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 09:06:50,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:06:50,418 INFO L225 Difference]: With dead ends: 20 [2022-12-14 09:06:50,418 INFO L226 Difference]: Without dead ends: 11 [2022-12-14 09:06:50,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:06:50,431 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:06:50,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:06:50,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-14 09:06:50,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-14 09:06:50,467 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) [2022-12-14 09:06:50,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-14 09:06:50,468 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-14 09:06:50,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:06:50,468 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-14 09:06:50,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:06:50,469 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-14 09:06:50,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 09:06:50,469 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:06:50,469 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-14 09:06:50,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:06:50,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:06:50,670 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:06:50,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:06:50,671 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-14 09:06:50,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:06:50,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1378076695] [2022-12-14 09:06:50,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:06:50,672 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:06:50,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:06:50,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:06:50,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/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 [2022-12-14 09:06:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:06:50,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 86 conjunts are in the unsatisfiable core [2022-12-14 09:06:50,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:06:51,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:06:51,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:06:54,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:06:54,089 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:06:54,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1378076695] [2022-12-14 09:06:54,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1378076695] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:06:54,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [112191769] [2022-12-14 09:06:54,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:06:54,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 09:06:54,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 09:06:54,091 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 09:06:54,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-12-14 09:06:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:06:54,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 98 conjunts are in the unsatisfiable core [2022-12-14 09:06:54,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:06:54,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:06:54,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:06:57,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:06:57,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [112191769] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:06:57,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553396557] [2022-12-14 09:06:57,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:06:57,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:06:57,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:06:57,342 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:06:57,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 09:06:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:06:57,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 99 conjunts are in the unsatisfiable core [2022-12-14 09:06:57,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:06:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:06:57,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:06:59,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:06:59,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553396557] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:06:59,948 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 09:06:59,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 17 [2022-12-14 09:06:59,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875127518] [2022-12-14 09:06:59,949 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 09:06:59,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-14 09:06:59,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:06:59,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-14 09:06:59,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-12-14 09:06:59,951 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 17 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:07:00,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:07:00,214 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-12-14 09:07:00,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 09:07:00,215 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 17 states have internal predecessors, (28), 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 [2022-12-14 09:07:00,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:07:00,215 INFO L225 Difference]: With dead ends: 16 [2022-12-14 09:07:00,215 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 09:07:00,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 23 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2022-12-14 09:07:00,217 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:07:00,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 22 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:07:00,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 09:07:00,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-12-14 09:07:00,220 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) [2022-12-14 09:07:00,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-12-14 09:07:00,221 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-12-14 09:07:00,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:07:00,221 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-12-14 09:07:00,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:07:00,221 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-12-14 09:07:00,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 09:07:00,222 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:07:00,222 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-12-14 09:07:00,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 09:07:00,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/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)] Ended with exit code 0 [2022-12-14 09:07:00,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2022-12-14 09:07:00,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/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_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 09:07:00,825 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:07:00,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:07:00,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-12-14 09:07:00,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:07:00,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1959054849] [2022-12-14 09:07:00,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 09:07:00,832 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:07:00,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:07:00,836 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:07:00,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/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 [2022-12-14 09:07:00,970 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 09:07:00,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:07:00,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 149 conjunts are in the unsatisfiable core [2022-12-14 09:07:00,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:07:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:07:01,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:07:20,736 WARN L233 SmtUtils]: Spent 14.42s on a formula simplification. DAG size of input: 349 DAG size of output: 227 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:07:22,455 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:07:22,455 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:07:22,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1959054849] [2022-12-14 09:07:22,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1959054849] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:07:22,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [391577298] [2022-12-14 09:07:22,455 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 09:07:22,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 09:07:22,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 09:07:22,456 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 09:07:22,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-12-14 09:07:22,695 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 09:07:22,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:07:22,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 165 conjunts are in the unsatisfiable core [2022-12-14 09:07:22,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:07:23,398 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:07:23,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:07:45,230 WARN L233 SmtUtils]: Spent 7.56s on a formula simplification. DAG size of input: 427 DAG size of output: 280 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:07:54,352 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:07:54,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [391577298] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:07:54,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660898579] [2022-12-14 09:07:54,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 09:07:54,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:07:54,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:07:54,354 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:07:54,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 09:07:54,461 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 09:07:54,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:07:54,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 152 conjunts are in the unsatisfiable core [2022-12-14 09:07:54,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:07:55,199 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:07:55,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:08:10,583 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:08:10,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660898579] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:08:10,583 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 09:08:10,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 9, 7, 7] total 26 [2022-12-14 09:08:10,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924712282] [2022-12-14 09:08:10,584 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 09:08:10,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-14 09:08:10,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:08:10,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-14 09:08:10,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=523, Unknown=8, NotChecked=0, Total=650 [2022-12-14 09:08:10,587 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 26 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 26 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:08:11,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:08:11,247 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-12-14 09:08:11,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 09:08:11,247 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 26 states have internal predecessors, (43), 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 [2022-12-14 09:08:11,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:08:11,247 INFO L225 Difference]: With dead ends: 19 [2022-12-14 09:08:11,247 INFO L226 Difference]: Without dead ends: 17 [2022-12-14 09:08:11,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 30 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 57.1s TimeCoverageRelationStatistics Valid=190, Invalid=672, Unknown=8, NotChecked=0, Total=870 [2022-12-14 09:08:11,249 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 23 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:08:11,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 45 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 09:08:11,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-14 09:08:11,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-12-14 09:08:11,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:08:11,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-12-14 09:08:11,252 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-12-14 09:08:11,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:08:11,252 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-12-14 09:08:11,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 26 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:08:11,252 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-12-14 09:08:11,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 09:08:11,252 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:08:11,252 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-12-14 09:08:11,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2022-12-14 09:08:11,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 09:08:11,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/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 [2022-12-14 09:08:11,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:08:11,854 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:08:11,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:08:11,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-12-14 09:08:11,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:08:11,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1836903554] [2022-12-14 09:08:11,859 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 09:08:11,859 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:08:11,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:08:11,862 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:08:11,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/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 (9)] Waiting until timeout for monitored process [2022-12-14 09:08:13,112 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-14 09:08:13,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:08:13,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 206 conjunts are in the unsatisfiable core [2022-12-14 09:08:13,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:08:15,501 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:08:15,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:09:07,162 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:09:07,163 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:09:07,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1836903554] [2022-12-14 09:09:07,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1836903554] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:09:07,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [317732649] [2022-12-14 09:09:07,163 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 09:09:07,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 09:09:07,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 09:09:07,164 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 09:09:07,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2022-12-14 09:09:07,799 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-14 09:09:07,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:09:07,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 241 conjunts are in the unsatisfiable core [2022-12-14 09:09:07,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:09:09,854 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:09:09,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:09:39,141 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:09:39,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [317732649] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:09:39,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943131178] [2022-12-14 09:09:39,142 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 09:09:39,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:09:39,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:09:39,143 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:09:39,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-14 09:09:40,410 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-14 09:09:40,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:09:40,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 217 conjunts are in the unsatisfiable core [2022-12-14 09:09:40,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:09:58,029 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:09:58,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:10:31,871 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:10:31,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943131178] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:10:31,871 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 09:10:31,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10, 10, 8, 8] total 28 [2022-12-14 09:10:31,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435758436] [2022-12-14 09:10:31,872 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 09:10:31,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-14 09:10:31,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:10:31,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-14 09:10:31,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=625, Unknown=20, NotChecked=0, Total=756 [2022-12-14 09:10:31,873 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 28 states, 28 states have (on average 1.75) internal successors, (49), 28 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:10:42,129 WARN L233 SmtUtils]: Spent 9.85s on a formula simplification. DAG size of input: 318 DAG size of output: 216 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:11:08,064 WARN L233 SmtUtils]: Spent 16.21s on a formula simplification. DAG size of input: 539 DAG size of output: 264 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:11:08,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:11:08,144 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-12-14 09:11:08,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:11:08,146 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.75) internal successors, (49), 28 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 09:11:08,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:11:08,146 INFO L225 Difference]: With dead ends: 15 [2022-12-14 09:11:08,146 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 09:11:08,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 43 SyntacticMatches, 9 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 118.3s TimeCoverageRelationStatistics Valid=185, Invalid=722, Unknown=23, NotChecked=0, Total=930 [2022-12-14 09:11:08,147 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 17 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:11:08,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 22 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 09:11:08,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 09:11:08,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 09:11:08,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:11:08,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 09:11:08,149 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-12-14 09:11:08,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:11:08,149 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 09:11:08,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.75) internal successors, (49), 28 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:11:08,149 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 09:11:08,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 09:11:08,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 09:11:08,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/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 (9)] Ended with exit code 0 [2022-12-14 09:11:08,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2022-12-14 09:11:08,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-14 09:11:08,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:11:08,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 09:11:09,942 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 09:11:09,943 INFO L895 garLoopResultBuilder]: At program point L108-2(lines 108 316) the Hoare annotation is: (let ((.cse7 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse28 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~state_64~0#1|)))) (.cse0 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_5~0#1|))) (let ((.cse32 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) .cse28)) .cse0)) (_ bv0 8))) (.cse30 (bvneg ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~state_72~0#1|))))) (.cse29 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~state_68~0#1|)))) (.cse31 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) |ULTIMATE.start_main_~state_59~0#1|) (bvneg ((_ zero_extend 24) |ULTIMATE.start_main_~state_55~0#1|)))))))))))))) (let ((.cse2 (= (_ bv1 8) |ULTIMATE.start_main_~var_109~0#1|)) (.cse14 (= |ULTIMATE.start_main_~var_22~0#1| (_ bv0 8))) (.cse15 (exists ((|ULTIMATE.start_main_~var_115_arg_2~0#1| (_ BitVec 8))) (let ((.cse37 ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_115_arg_2~0#1|)))) (and (= .cse37 |ULTIMATE.start_main_~state_45~0#1|) (= .cse37 |ULTIMATE.start_main_~state_62~0#1|))))) (.cse22 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_5~0#1|)) (.cse23 (= (_ bv1 8) |ULTIMATE.start_main_~var_31~0#1|)) (.cse24 (or (not .cse32) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse30 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse29) .cse28)))))))))) .cse7))) .cse31))) (.cse25 (exists ((|ULTIMATE.start_main_~var_91_arg_2~0#1| (_ BitVec 8))) (let ((.cse36 ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_91_arg_2~0#1|)))) (and (= .cse36 |ULTIMATE.start_main_~state_41~0#1|) (= .cse36 |ULTIMATE.start_main_~state_53~0#1|))))) (.cse26 (= (bvadd (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (_ bv0 8))) (.cse27 (exists ((|ULTIMATE.start_main_~input_3~0#1| (_ BitVec 8))) (let ((.cse35 ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_3~0#1|)))) (and (= |ULTIMATE.start_main_~state_66~0#1| .cse35) (= |ULTIMATE.start_main_~state_47~0#1| .cse35))))) (.cse9 (= (_ bv0 8) |ULTIMATE.start_main_~state_23~0#1|))) (or (let ((.cse6 ((_ zero_extend 24) |ULTIMATE.start_main_~state_18~0#1|)) (.cse13 ((_ zero_extend 24) |ULTIMATE.start_main_~state_10~0#1|))) (let ((.cse4 (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) .cse13)) .cse0)))) (.cse8 ((_ zero_extend 24) |ULTIMATE.start_main_~state_26~0#1|)) (.cse10 (bvneg .cse6)) (.cse11 (not .cse9)) (.cse12 ((_ zero_extend 24) |ULTIMATE.start_main_~state_12~0#1|))) (and (exists ((|ULTIMATE.start_main_~var_91_arg_2~0#1| (_ BitVec 8))) (let ((.cse1 ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_91_arg_2~0#1|)))))) (and (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) .cse1))) |ULTIMATE.start_main_~state_57~0#1|) (= .cse1 |ULTIMATE.start_main_~state_43~0#1|)))) .cse2 (exists ((|ULTIMATE.start_main_~var_99_arg_2~0#1| (_ BitVec 8))) (let ((.cse3 ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_99_arg_2~0#1|)))) (and (= .cse3 |ULTIMATE.start_main_~state_70~0#1|) (= .cse3 |ULTIMATE.start_main_~state_49~0#1|)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) (or .cse4 (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse12 .cse13))))))) (and (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse5 .cse6))))) .cse7))) .cse8) .cse9) (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse5 .cse10))))) .cse7))) .cse8) .cse11)))) .cse14 .cse15 (or (exists ((|ULTIMATE.start_main_~var_115_arg_2~0#1| (_ BitVec 8))) (let ((.cse16 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_115_arg_2~0#1|))))) (and (= ((_ extract 7 0) .cse16) |ULTIMATE.start_main_~state_64~0#1|) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) .cse16))) .cse7))) (_ bv1 32))) (exists ((|ULTIMATE.start_main_~input_3~0#1| (_ BitVec 8))) (let ((.cse17 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_3~0#1|))))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse17) .cse16)))))) |ULTIMATE.start_main_~state_59~0#1|) (= ((_ extract 7 0) .cse17) |ULTIMATE.start_main_~state_68~0#1|))))))) (exists ((|ULTIMATE.start_main_~var_115_arg_2~0#1| (_ BitVec 8))) (let ((.cse19 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_115_arg_2~0#1|))))) (and (exists ((|ULTIMATE.start_main_~input_3~0#1| (_ BitVec 8))) (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_3~0#1|))))) (and (= ((_ extract 7 0) .cse18) |ULTIMATE.start_main_~state_68~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse18 .cse19)))))) |ULTIMATE.start_main_~state_59~0#1|)))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) .cse19))) .cse7))) (_ bv1 32)) (= ((_ extract 7 0) .cse19) |ULTIMATE.start_main_~state_64~0#1|))))) (or (exists ((|ULTIMATE.start_main_~var_91_arg_2~0#1| (_ BitVec 8))) (let ((.cse20 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_91_arg_2~0#1|))))))) (and (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) .cse20)) .cse0)) |ULTIMATE.start_main_~state_23~0#1|) (= ((_ extract 7 0) (bvand .cse0 .cse20)) (_ bv0 8))))) (exists ((|ULTIMATE.start_main_~var_91_arg_2~0#1| (_ BitVec 8))) (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_91_arg_2~0#1|))))))) (and (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) .cse21)) .cse0)) |ULTIMATE.start_main_~state_23~0#1|) (not (= ((_ extract 7 0) (bvand .cse0 .cse21)) (_ bv0 8))))))) .cse22 .cse23 .cse24 .cse25 (= |ULTIMATE.start_main_~var_9~0#1| (_ bv0 8)) .cse26 (exists ((|v_ULTIMATE.start_main_#t~nondet25#1_18| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet25#1_18|) .cse0)) |ULTIMATE.start_main_~input_8~0#1|)) .cse27 (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse28 .cse29))))) .cse30))))) .cse7))) .cse31) .cse32) (or (not .cse4) (let ((.cse33 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse12) .cse13))))))) (and (or (= .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse33 .cse6))))) .cse7)))) .cse9) (or (= .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse33 .cse10))))) .cse7)))) .cse11))))))) (let ((.cse34 ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_9~0#1|)))) (and .cse2 (= |ULTIMATE.start_main_~var_9~0#1| |ULTIMATE.start_main_~state_49~0#1|) .cse14 .cse15 (= |ULTIMATE.start_main_~state_10~0#1| |ULTIMATE.start_main_~state_12~0#1|) .cse22 .cse23 .cse24 .cse25 (= |ULTIMATE.start_main_~var_22~0#1| |ULTIMATE.start_main_~state_41~0#1|) (= |ULTIMATE.start_main_~state_26~0#1| |ULTIMATE.start_main_~state_10~0#1|) .cse26 (= .cse34 |ULTIMATE.start_main_~state_72~0#1|) .cse27 (= |ULTIMATE.start_main_~var_9~0#1| |ULTIMATE.start_main_~state_70~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_18~0#1|) (= |ULTIMATE.start_main_~var_9~0#1| |ULTIMATE.start_main_~state_12~0#1|) (= |ULTIMATE.start_main_~var_9~0#1| |ULTIMATE.start_main_~state_68~0#1|) (= |ULTIMATE.start_main_~var_9~0#1| |ULTIMATE.start_main_~state_62~0#1|) (= |ULTIMATE.start_main_~var_22~0#1| |ULTIMATE.start_main_~state_43~0#1|) (= .cse34 |ULTIMATE.start_main_~state_64~0#1|) (= |ULTIMATE.start_main_~var_9~0#1| |ULTIMATE.start_main_~state_66~0#1|) (= |ULTIMATE.start_main_~var_22~0#1| |ULTIMATE.start_main_~state_57~0#1|) (= |ULTIMATE.start_main_~var_9~0#1| |ULTIMATE.start_main_~state_18~0#1|) .cse9 (= .cse34 |ULTIMATE.start_main_~state_59~0#1|))))))) [2022-12-14 09:11:09,943 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 09:11:09,943 INFO L899 garLoopResultBuilder]: For program point L108-3(lines 108 316) no Hoare annotation was computed. [2022-12-14 09:11:09,943 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 22 318) the Hoare annotation is: false [2022-12-14 09:11:09,943 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-14 09:11:09,943 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-14 09:11:09,944 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-12-14 09:11:09,944 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-12-14 09:11:09,944 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-12-14 09:11:09,944 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-12-14 09:11:09,946 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2022-12-14 09:11:09,947 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 09:11:09,957 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,958 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,958 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_99_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,958 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_99_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,958 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,958 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,958 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,959 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,959 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:09,959 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,959 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:09,959 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:09,959 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:09,959 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,960 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,960 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,960 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,960 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,960 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,960 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,961 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,961 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,961 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet25#1_18,QUANTIFIED] [2022-12-14 09:11:09,961 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:09,961 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:09,961 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,962 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,962 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,962 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,962 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:09,962 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:09,974 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,974 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,974 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_99_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,974 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_99_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,975 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,975 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,975 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,975 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,975 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:09,975 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,976 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:09,976 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:09,976 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:09,976 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,976 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,977 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,977 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,977 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,977 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,977 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,978 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,978 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,978 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet25#1_18,QUANTIFIED] [2022-12-14 09:11:09,978 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:09,978 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:09,978 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,979 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,979 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,979 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:09,979 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:09,979 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:09,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 09:11:09 BoogieIcfgContainer [2022-12-14 09:11:09,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 09:11:09,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 09:11:09,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 09:11:09,983 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 09:11:09,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:06:49" (3/4) ... [2022-12-14 09:11:09,986 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 09:11:09,996 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 09:11:09,996 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 09:11:09,997 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 09:11:10,015 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((\exists ULTIMATE.start_main_~var_91_arg_2~0#1 : bv8 :: ~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0])[7:0]))[7:0] == state_57 && ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0])[7:0] == state_43) && 1bv8 == var_109) && (\exists ULTIMATE.start_main_~var_99_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(ULTIMATE.start_main_~var_99_arg_2~0#1)[7:0] == state_70 && ~zero_extendFrom8To32(ULTIMATE.start_main_~var_99_arg_2~0#1)[7:0] == state_49)) && cond == 1bv32) && (0bv8 == ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(state_10)[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0] || ((~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(state_12), ~zero_extendFrom8To32(state_10))[7:0])[7:0]), ~zero_extendFrom8To32(state_18))[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == ~zero_extendFrom8To32(state_26) || 0bv8 == state_23) && (~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(state_12), ~zero_extendFrom8To32(state_10))[7:0])[7:0]), ~bvneg128(~zero_extendFrom8To32(state_18)))[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == ~zero_extendFrom8To32(state_26) || !(0bv8 == state_23))))) && var_22 == 0bv8) && (\exists ULTIMATE.start_main_~var_115_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0] == state_45 && ~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0] == state_62)) && ((\exists ULTIMATE.start_main_~var_115_arg_2~0#1 : bv8 :: (~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0])[7:0] == state_64 && !(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvand32(1bv32, ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == 1bv32)) && (\exists ULTIMATE.start_main_~input_3~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~bvneg128(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~input_3~0#1)[7:0])), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == state_59 && ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~input_3~0#1)[7:0])[7:0] == state_68)) || (\exists ULTIMATE.start_main_~var_115_arg_2~0#1 : bv8 :: ((\exists ULTIMATE.start_main_~input_3~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~input_3~0#1)[7:0])[7:0] == state_68 && ~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~input_3~0#1)[7:0]), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == state_59) && ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvand32(1bv32, ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == 1bv32) && ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0])[7:0] == state_64))) && ((\exists ULTIMATE.start_main_~var_91_arg_2~0#1 : bv8 :: ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0])[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0] == state_23 && ~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0])[7:0]))[7:0] == 0bv8) || (\exists ULTIMATE.start_main_~var_91_arg_2~0#1 : bv8 :: ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0])[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0] == state_23 && !(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0])[7:0]))[7:0] == 0bv8)))) && 1bv8 == mask_SORT_5) && 1bv8 == var_31) && (!(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(state_64)[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0] == 0bv8) || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~bvneg128(~zero_extendFrom8To32(~zero_extendFrom8To32(state_72)[7:0])), ~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~bvneg128(~zero_extendFrom8To32(~zero_extendFrom8To32(state_68)[7:0])), ~zero_extendFrom8To32(~zero_extendFrom8To32(state_64)[7:0]))[7:0])[7:0]))[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_1), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(state_59), ~bvneg128(~zero_extendFrom8To32(state_55)))[7:0])[7:0])[7:0]))[7:0]))) && (\exists ULTIMATE.start_main_~var_91_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0] == state_41 && ~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0] == state_53)) && var_9 == 0bv8) && ~bvadd128(1bv8, mask_SORT_1) == 0bv8) && (\exists v_ULTIMATE.start_main_#t~nondet25#1_18 : bv8 :: ~bvand32(~zero_extendFrom8To32(v_ULTIMATE.start_main_#t~nondet25#1_18), ~zero_extendFrom8To32(mask_SORT_5))[7:0] == input_8)) && (\exists ULTIMATE.start_main_~input_3~0#1 : bv8 :: state_66 == ~zero_extendFrom8To32(ULTIMATE.start_main_~input_3~0#1)[7:0] && state_47 == ~zero_extendFrom8To32(ULTIMATE.start_main_~input_3~0#1)[7:0])) && (~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(~zero_extendFrom8To32(state_64)[7:0]), ~zero_extendFrom8To32(~zero_extendFrom8To32(state_68)[7:0]))[7:0])[7:0]), ~bvneg128(~zero_extendFrom8To32(~zero_extendFrom8To32(state_72)[7:0])))[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_1), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(state_59), ~bvneg128(~zero_extendFrom8To32(state_55)))[7:0])[7:0])[7:0]))[7:0]) || ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(state_64)[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0] == 0bv8)) && (!(0bv8 == ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(state_10)[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0]) || ((~zero_extendFrom8To32(state_26) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~bvneg128(~zero_extendFrom8To32(state_12)), ~zero_extendFrom8To32(state_10))[7:0])[7:0]), ~zero_extendFrom8To32(state_18))[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) || 0bv8 == state_23) && (~zero_extendFrom8To32(state_26) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~bvneg128(~zero_extendFrom8To32(state_12)), ~zero_extendFrom8To32(state_10))[7:0])[7:0]), ~bvneg128(~zero_extendFrom8To32(state_18)))[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) || !(0bv8 == state_23))))) || (((((((((((((((((((((((((1bv8 == var_109 && var_9 == state_49) && var_22 == 0bv8) && (\exists ULTIMATE.start_main_~var_115_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0] == state_45 && ~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0] == state_62)) && state_10 == state_12) && 1bv8 == mask_SORT_5) && 1bv8 == var_31) && (!(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(state_64)[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0] == 0bv8) || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~bvneg128(~zero_extendFrom8To32(~zero_extendFrom8To32(state_72)[7:0])), ~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~bvneg128(~zero_extendFrom8To32(~zero_extendFrom8To32(state_68)[7:0])), ~zero_extendFrom8To32(~zero_extendFrom8To32(state_64)[7:0]))[7:0])[7:0]))[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_1), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(state_59), ~bvneg128(~zero_extendFrom8To32(state_55)))[7:0])[7:0])[7:0]))[7:0]))) && (\exists ULTIMATE.start_main_~var_91_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0] == state_41 && ~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0] == state_53)) && var_22 == state_41) && state_26 == state_10) && ~bvadd128(1bv8, mask_SORT_1) == 0bv8) && ~zero_extendFrom8To32(var_9)[7:0] == state_72) && (\exists ULTIMATE.start_main_~input_3~0#1 : bv8 :: state_66 == ~zero_extendFrom8To32(ULTIMATE.start_main_~input_3~0#1)[7:0] && state_47 == ~zero_extendFrom8To32(ULTIMATE.start_main_~input_3~0#1)[7:0])) && var_9 == state_70) && 0bv8 == state_18) && var_9 == state_12) && var_9 == state_68) && var_9 == state_62) && var_22 == state_43) && ~zero_extendFrom8To32(var_9)[7:0] == state_64) && var_9 == state_66) && var_22 == state_57) && var_9 == state_18) && 0bv8 == state_23) && ~zero_extendFrom8To32(var_9)[7:0] == state_59) [2022-12-14 09:11:10,042 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 09:11:10,042 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 09:11:10,043 INFO L158 Benchmark]: Toolchain (without parser) took 260955.99ms. Allocated memory was 83.9MB in the beginning and 176.2MB in the end (delta: 92.3MB). Free memory was 57.3MB in the beginning and 107.1MB in the end (delta: -49.8MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2022-12-14 09:11:10,043 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory is still 31.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:11:10,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.18ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 40.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 09:11:10,044 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.18ms. Allocated memory is still 83.9MB. Free memory was 40.8MB in the beginning and 37.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:11:10,044 INFO L158 Benchmark]: Boogie Preprocessor took 38.88ms. Allocated memory is still 83.9MB. Free memory was 37.7MB in the beginning and 62.0MB in the end (delta: -24.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-12-14 09:11:10,044 INFO L158 Benchmark]: RCFGBuilder took 449.78ms. Allocated memory is still 83.9MB. Free memory was 62.0MB in the beginning and 34.8MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 09:11:10,044 INFO L158 Benchmark]: TraceAbstraction took 260103.00ms. Allocated memory was 83.9MB in the beginning and 176.2MB in the end (delta: 92.3MB). Free memory was 34.1MB in the beginning and 113.4MB in the end (delta: -79.3MB). Peak memory consumption was 93.8MB. Max. memory is 16.1GB. [2022-12-14 09:11:10,044 INFO L158 Benchmark]: Witness Printer took 59.29ms. Allocated memory is still 176.2MB. Free memory was 113.4MB in the beginning and 107.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 09:11:10,046 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory is still 31.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.18ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 40.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.18ms. Allocated memory is still 83.9MB. Free memory was 40.8MB in the beginning and 37.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.88ms. Allocated memory is still 83.9MB. Free memory was 37.7MB in the beginning and 62.0MB in the end (delta: -24.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * RCFGBuilder took 449.78ms. Allocated memory is still 83.9MB. Free memory was 62.0MB in the beginning and 34.8MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 260103.00ms. Allocated memory was 83.9MB in the beginning and 176.2MB in the end (delta: 92.3MB). Free memory was 34.1MB in the beginning and 113.4MB in the end (delta: -79.3MB). Peak memory consumption was 93.8MB. Max. memory is 16.1GB. * Witness Printer took 59.29ms. Allocated memory is still 176.2MB. Free memory was 113.4MB in the beginning and 107.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_99_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_99_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet25#1_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_99_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_99_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet25#1_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#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: 260.0s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 37.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 102 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 15 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 195 GetRequests, 98 SyntacticMatches, 19 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 180.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 27, 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, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 698 HoareAnnotationTreeSize, 2 FomulaSimplifications, 34 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 1514 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 215.1s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 184 ConstructedInterpolants, 100 QuantifiedInterpolants, 56416 SizeOfPredicates, 1421 NumberOfNonLiveVariables, 4488 ConjunctsInSsa, 1451 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 5/144 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant [2022-12-14 09:11:10,050 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,050 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,051 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_99_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,051 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_99_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,051 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,051 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,051 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,051 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,051 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:10,051 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,051 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:10,051 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:10,052 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:10,052 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,052 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,052 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,052 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,052 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,052 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,052 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,052 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,052 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,052 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet25#1_18,QUANTIFIED] [2022-12-14 09:11:10,052 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:10,053 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:10,053 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,053 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,053 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,053 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,053 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:10,053 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:10,054 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,054 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,055 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_99_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,055 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_99_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,055 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,055 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,055 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,055 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,055 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:10,055 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,055 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:10,055 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:10,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:10,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet25#1_18,QUANTIFIED] [2022-12-14 09:11:10,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:10,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:10,057 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,057 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_115_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,057 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,057 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_91_arg_2~0#1,QUANTIFIED] [2022-12-14 09:11:10,057 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] [2022-12-14 09:11:10,057 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~input_3~0#1,QUANTIFIED] Derived loop invariant: (((((((((((((((((((\exists ULTIMATE.start_main_~var_91_arg_2~0#1 : bv8 :: ~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0])[7:0]))[7:0] == state_57 && ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0])[7:0] == state_43) && 1bv8 == var_109) && (\exists ULTIMATE.start_main_~var_99_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(ULTIMATE.start_main_~var_99_arg_2~0#1)[7:0] == state_70 && ~zero_extendFrom8To32(ULTIMATE.start_main_~var_99_arg_2~0#1)[7:0] == state_49)) && cond == 1bv32) && (0bv8 == ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(state_10)[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0] || ((~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(state_12), ~zero_extendFrom8To32(state_10))[7:0])[7:0]), ~zero_extendFrom8To32(state_18))[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == ~zero_extendFrom8To32(state_26) || 0bv8 == state_23) && (~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(state_12), ~zero_extendFrom8To32(state_10))[7:0])[7:0]), ~bvneg128(~zero_extendFrom8To32(state_18)))[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == ~zero_extendFrom8To32(state_26) || !(0bv8 == state_23))))) && var_22 == 0bv8) && (\exists ULTIMATE.start_main_~var_115_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0] == state_45 && ~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0] == state_62)) && ((\exists ULTIMATE.start_main_~var_115_arg_2~0#1 : bv8 :: (~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0])[7:0] == state_64 && !(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvand32(1bv32, ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == 1bv32)) && (\exists ULTIMATE.start_main_~input_3~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~bvneg128(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~input_3~0#1)[7:0])), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == state_59 && ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~input_3~0#1)[7:0])[7:0] == state_68)) || (\exists ULTIMATE.start_main_~var_115_arg_2~0#1 : bv8 :: ((\exists ULTIMATE.start_main_~input_3~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~input_3~0#1)[7:0])[7:0] == state_68 && ~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~input_3~0#1)[7:0]), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == state_59) && ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvand32(1bv32, ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == 1bv32) && ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0])[7:0] == state_64))) && ((\exists ULTIMATE.start_main_~var_91_arg_2~0#1 : bv8 :: ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0])[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0] == state_23 && ~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0])[7:0]))[7:0] == 0bv8) || (\exists ULTIMATE.start_main_~var_91_arg_2~0#1 : bv8 :: ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0])[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0] == state_23 && !(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0])[7:0]))[7:0] == 0bv8)))) && 1bv8 == mask_SORT_5) && 1bv8 == var_31) && (!(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(state_64)[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0] == 0bv8) || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~bvneg128(~zero_extendFrom8To32(~zero_extendFrom8To32(state_72)[7:0])), ~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~bvneg128(~zero_extendFrom8To32(~zero_extendFrom8To32(state_68)[7:0])), ~zero_extendFrom8To32(~zero_extendFrom8To32(state_64)[7:0]))[7:0])[7:0]))[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_1), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(state_59), ~bvneg128(~zero_extendFrom8To32(state_55)))[7:0])[7:0])[7:0]))[7:0]))) && (\exists ULTIMATE.start_main_~var_91_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0] == state_41 && ~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0] == state_53)) && var_9 == 0bv8) && ~bvadd128(1bv8, mask_SORT_1) == 0bv8) && (\exists v_ULTIMATE.start_main_#t~nondet25#1_18 : bv8 :: ~bvand32(~zero_extendFrom8To32(v_ULTIMATE.start_main_#t~nondet25#1_18), ~zero_extendFrom8To32(mask_SORT_5))[7:0] == input_8)) && (\exists ULTIMATE.start_main_~input_3~0#1 : bv8 :: state_66 == ~zero_extendFrom8To32(ULTIMATE.start_main_~input_3~0#1)[7:0] && state_47 == ~zero_extendFrom8To32(ULTIMATE.start_main_~input_3~0#1)[7:0])) && (~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(~zero_extendFrom8To32(state_64)[7:0]), ~zero_extendFrom8To32(~zero_extendFrom8To32(state_68)[7:0]))[7:0])[7:0]), ~bvneg128(~zero_extendFrom8To32(~zero_extendFrom8To32(state_72)[7:0])))[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_1), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(state_59), ~bvneg128(~zero_extendFrom8To32(state_55)))[7:0])[7:0])[7:0]))[7:0]) || ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(state_64)[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0] == 0bv8)) && (!(0bv8 == ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(state_10)[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0]) || ((~zero_extendFrom8To32(state_26) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~bvneg128(~zero_extendFrom8To32(state_12)), ~zero_extendFrom8To32(state_10))[7:0])[7:0]), ~zero_extendFrom8To32(state_18))[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) || 0bv8 == state_23) && (~zero_extendFrom8To32(state_26) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~bvneg128(~zero_extendFrom8To32(state_12)), ~zero_extendFrom8To32(state_10))[7:0])[7:0]), ~bvneg128(~zero_extendFrom8To32(state_18)))[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) || !(0bv8 == state_23))))) || (((((((((((((((((((((((((1bv8 == var_109 && var_9 == state_49) && var_22 == 0bv8) && (\exists ULTIMATE.start_main_~var_115_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0] == state_45 && ~zero_extendFrom8To32(ULTIMATE.start_main_~var_115_arg_2~0#1)[7:0] == state_62)) && state_10 == state_12) && 1bv8 == mask_SORT_5) && 1bv8 == var_31) && (!(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(state_64)[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0] == 0bv8) || ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~bvneg128(~zero_extendFrom8To32(~zero_extendFrom8To32(state_72)[7:0])), ~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~bvneg128(~zero_extendFrom8To32(~zero_extendFrom8To32(state_68)[7:0])), ~zero_extendFrom8To32(~zero_extendFrom8To32(state_64)[7:0]))[7:0])[7:0]))[7:0])[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_1), ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvadd128(~zero_extendFrom8To32(state_59), ~bvneg128(~zero_extendFrom8To32(state_55)))[7:0])[7:0])[7:0]))[7:0]))) && (\exists ULTIMATE.start_main_~var_91_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0] == state_41 && ~zero_extendFrom8To32(ULTIMATE.start_main_~var_91_arg_2~0#1)[7:0] == state_53)) && var_22 == state_41) && state_26 == state_10) && ~bvadd128(1bv8, mask_SORT_1) == 0bv8) && ~zero_extendFrom8To32(var_9)[7:0] == state_72) && (\exists ULTIMATE.start_main_~input_3~0#1 : bv8 :: state_66 == ~zero_extendFrom8To32(ULTIMATE.start_main_~input_3~0#1)[7:0] && state_47 == ~zero_extendFrom8To32(ULTIMATE.start_main_~input_3~0#1)[7:0])) && var_9 == state_70) && 0bv8 == state_18) && var_9 == state_12) && var_9 == state_68) && var_9 == state_62) && var_22 == state_43) && ~zero_extendFrom8To32(var_9)[7:0] == state_64) && var_9 == state_66) && var_22 == state_57) && var_9 == state_18) && 0bv8 == state_23) && ~zero_extendFrom8To32(var_9)[7:0] == state_59) RESULT: Ultimate proved your program to be correct! [2022-12-14 09:11:10,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43756c8-fa0e-4cbe-aaf9-df34fe47b950/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE