./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/interleave_bits.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/interleave_bits.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 41cbcdfa6f09b615c08bb2dbf908be5e0a68dc8c6a10c0ba76a3c4e4c07e69fb --- 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-e04fb08 [2022-11-16 11:06:56,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:06:56,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:06:56,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:06:56,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:06:56,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:06:56,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:06:56,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:06:56,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:06:56,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:06:56,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:06:56,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:06:56,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:06:56,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:06:56,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:06:56,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:06:56,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:06:56,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:06:56,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:06:56,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:06:56,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:06:56,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:06:56,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:06:56,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:06:56,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:06:56,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:06:56,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:06:56,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:06:56,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:06:56,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:06:56,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:06:56,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:06:56,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:06:56,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:06:56,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:06:56,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:06:56,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:06:56,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:06:56,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:06:56,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:06:56,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:06:56,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:06:56,333 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:06:56,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:06:56,335 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:06:56,335 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:06:56,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:06:56,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:06:56,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:06:56,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:06:56,349 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:06:56,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:06:56,349 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:06:56,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:06:56,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:06:56,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:06:56,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:06:56,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:06:56,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:06:56,351 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:06:56,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:06:56,351 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:06:56,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:06:56,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:06:56,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:06:56,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:06:56,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:06:56,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:06:56,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:06:56,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:06:56,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:06:56,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:06:56,354 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:06:56,354 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:06:56,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:06:56,354 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_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41cbcdfa6f09b615c08bb2dbf908be5e0a68dc8c6a10c0ba76a3c4e4c07e69fb [2022-11-16 11:06:56,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:06:56,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:06:56,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:06:56,655 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:06:56,656 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:06:56,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/bitvector/interleave_bits.i [2022-11-16 11:06:56,718 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/data/eb2a0fcce/918aa20f18b54ca3b2af9d7f8122e744/FLAG45ddc995c [2022-11-16 11:06:57,236 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:06:57,237 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/sv-benchmarks/c/bitvector/interleave_bits.i [2022-11-16 11:06:57,245 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/data/eb2a0fcce/918aa20f18b54ca3b2af9d7f8122e744/FLAG45ddc995c [2022-11-16 11:06:57,727 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/data/eb2a0fcce/918aa20f18b54ca3b2af9d7f8122e744 [2022-11-16 11:06:57,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:06:57,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:06:57,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:06:57,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:06:57,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:06:57,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:06:57" (1/1) ... [2022-11-16 11:06:57,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d959caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:57, skipping insertion in model container [2022-11-16 11:06:57,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:06:57" (1/1) ... [2022-11-16 11:06:57,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:06:57,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:06:57,958 WARN L229 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_f1a8045a-1648-4356-a131-a2cf3e549353/sv-benchmarks/c/bitvector/interleave_bits.i[1175,1188] [2022-11-16 11:06:57,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:06:57,989 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:06:58,002 WARN L229 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_f1a8045a-1648-4356-a131-a2cf3e549353/sv-benchmarks/c/bitvector/interleave_bits.i[1175,1188] [2022-11-16 11:06:58,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:06:58,028 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:06:58,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:58 WrapperNode [2022-11-16 11:06:58,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:06:58,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:06:58,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:06:58,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:06:58,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:58" (1/1) ... [2022-11-16 11:06:58,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:58" (1/1) ... [2022-11-16 11:06:58,086 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2022-11-16 11:06:58,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:06:58,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:06:58,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:06:58,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:06:58,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:58" (1/1) ... [2022-11-16 11:06:58,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:58" (1/1) ... [2022-11-16 11:06:58,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:58" (1/1) ... [2022-11-16 11:06:58,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:58" (1/1) ... [2022-11-16 11:06:58,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:58" (1/1) ... [2022-11-16 11:06:58,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:58" (1/1) ... [2022-11-16 11:06:58,125 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:58" (1/1) ... [2022-11-16 11:06:58,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:58" (1/1) ... [2022-11-16 11:06:58,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:06:58,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:06:58,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:06:58,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:06:58,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:58" (1/1) ... [2022-11-16 11:06:58,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:06:58,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:06:58,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:06:58,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:06:58,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:06:58,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:06:58,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:06:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:06:58,303 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:06:58,306 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:06:58,788 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:06:58,794 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:06:58,794 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:06:58,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:06:58 BoogieIcfgContainer [2022-11-16 11:06:58,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:06:58,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:06:58,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:06:58,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:06:58,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:06:57" (1/3) ... [2022-11-16 11:06:58,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3221f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:06:58, skipping insertion in model container [2022-11-16 11:06:58,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:58" (2/3) ... [2022-11-16 11:06:58,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3221f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:06:58, skipping insertion in model container [2022-11-16 11:06:58,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:06:58" (3/3) ... [2022-11-16 11:06:58,805 INFO L112 eAbstractionObserver]: Analyzing ICFG interleave_bits.i [2022-11-16 11:06:58,831 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:06:58,831 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:06:58,913 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:06:58,921 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5129e48f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:06:58,922 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:06:58,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.7857142857142858) internal successors, (50), 29 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:06:58,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 11:06:58,934 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:06:58,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:06:58,935 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:06:58,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:06:58,941 INFO L85 PathProgramCache]: Analyzing trace with hash -548449376, now seen corresponding path program 1 times [2022-11-16 11:06:58,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:06:58,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135669467] [2022-11-16 11:06:58,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:58,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:06:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:06:59,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:06:59,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135669467] [2022-11-16 11:06:59,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135669467] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:06:59,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:06:59,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:06:59,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033177225] [2022-11-16 11:06:59,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:06:59,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:06:59,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:06:59,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:06:59,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:06:59,569 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.7857142857142858) internal successors, (50), 29 states have internal predecessors, (50), 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 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:06:59,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:06:59,626 INFO L93 Difference]: Finished difference Result 58 states and 98 transitions. [2022-11-16 11:06:59,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:06:59,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2022-11-16 11:06:59,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:06:59,638 INFO L225 Difference]: With dead ends: 58 [2022-11-16 11:06:59,639 INFO L226 Difference]: Without dead ends: 27 [2022-11-16 11:06:59,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:06:59,648 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:06:59,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:06:59,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-16 11:06:59,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-16 11:06:59,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.7307692307692308) internal successors, (45), 26 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:06:59,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 45 transitions. [2022-11-16 11:06:59,700 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 45 transitions. Word has length 16 [2022-11-16 11:06:59,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:06:59,701 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 45 transitions. [2022-11-16 11:06:59,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:06:59,702 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2022-11-16 11:06:59,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 11:06:59,704 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:06:59,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:06:59,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:06:59,705 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:06:59,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:06:59,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1058131909, now seen corresponding path program 1 times [2022-11-16 11:06:59,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:06:59,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481649654] [2022-11-16 11:06:59,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:59,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:06:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:06:59,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:06:59,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481649654] [2022-11-16 11:06:59,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481649654] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:06:59,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89107005] [2022-11-16 11:06:59,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:59,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:06:59,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:06:59,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:06:59,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:07:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:00,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 11:07:00,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:07:00,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:00,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:07:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:00,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89107005] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:07:00,149 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:07:00,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-16 11:07:00,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780221361] [2022-11-16 11:07:00,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:07:00,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:07:00,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:00,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:07:00,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:07:00,155 INFO L87 Difference]: Start difference. First operand 27 states and 45 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:00,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:07:00,213 INFO L93 Difference]: Finished difference Result 53 states and 91 transitions. [2022-11-16 11:07:00,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:07:00,214 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 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 17 [2022-11-16 11:07:00,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:07:00,215 INFO L225 Difference]: With dead ends: 53 [2022-11-16 11:07:00,215 INFO L226 Difference]: Without dead ends: 30 [2022-11-16 11:07:00,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:07:00,217 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:07:00,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:07:00,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-16 11:07:00,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-16 11:07:00,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.6551724137931034) internal successors, (48), 29 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:00,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 48 transitions. [2022-11-16 11:07:00,225 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 48 transitions. Word has length 17 [2022-11-16 11:07:00,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:07:00,225 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 48 transitions. [2022-11-16 11:07:00,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-11-16 11:07:00,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 11:07:00,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:07:00,227 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:00,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:07:00,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:07:00,433 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:07:00,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:00,434 INFO L85 PathProgramCache]: Analyzing trace with hash -98585376, now seen corresponding path program 2 times [2022-11-16 11:07:00,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:00,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904494758] [2022-11-16 11:07:00,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:00,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:00,672 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:00,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:00,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904494758] [2022-11-16 11:07:00,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904494758] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:07:00,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446532236] [2022-11-16 11:07:00,673 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:07:00,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:07:00,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:07:00,675 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:07:00,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 11:07:00,801 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:07:00,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:07:00,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 11:07:00,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:07:00,901 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:00,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:07:01,020 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:01,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446532236] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:07:01,021 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:07:01,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-11-16 11:07:01,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58192766] [2022-11-16 11:07:01,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:07:01,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:07:01,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:01,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:07:01,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:07:01,023 INFO L87 Difference]: Start difference. First operand 30 states and 48 transitions. Second operand has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 13 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) [2022-11-16 11:07:01,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:07:01,350 INFO L93 Difference]: Finished difference Result 59 states and 100 transitions. [2022-11-16 11:07:01,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:07:01,351 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 13 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 20 [2022-11-16 11:07:01,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:07:01,352 INFO L225 Difference]: With dead ends: 59 [2022-11-16 11:07:01,353 INFO L226 Difference]: Without dead ends: 36 [2022-11-16 11:07:01,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=110, Invalid=162, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:07:01,356 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:07:01,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 289 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:07:01,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-16 11:07:01,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-16 11:07:01,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.542857142857143) internal successors, (54), 35 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:01,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 54 transitions. [2022-11-16 11:07:01,370 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 54 transitions. Word has length 20 [2022-11-16 11:07:01,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:07:01,370 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 54 transitions. [2022-11-16 11:07:01,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 13 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) [2022-11-16 11:07:01,371 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2022-11-16 11:07:01,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 11:07:01,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:07:01,374 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:01,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:07:01,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:07:01,580 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:07:01,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:01,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1263641920, now seen corresponding path program 3 times [2022-11-16 11:07:01,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:01,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206571815] [2022-11-16 11:07:01,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:01,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:02,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:02,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206571815] [2022-11-16 11:07:02,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206571815] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:07:02,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669227697] [2022-11-16 11:07:02,214 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 11:07:02,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:07:02,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:07:02,216 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:07:02,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 11:07:02,444 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-16 11:07:02,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:07:02,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-16 11:07:02,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:07:02,563 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:02,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:07:02,916 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:02,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669227697] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:07:02,917 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:07:02,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2022-11-16 11:07:02,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232239416] [2022-11-16 11:07:02,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:07:02,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-16 11:07:02,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:02,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-16 11:07:02,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2022-11-16 11:07:02,919 INFO L87 Difference]: Start difference. First operand 36 states and 54 transitions. Second operand has 25 states, 25 states have (on average 1.6) internal successors, (40), 25 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:03,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:07:03,473 INFO L93 Difference]: Finished difference Result 65 states and 106 transitions. [2022-11-16 11:07:03,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 11:07:03,475 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.6) internal successors, (40), 25 states have internal predecessors, (40), 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 26 [2022-11-16 11:07:03,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:07:03,476 INFO L225 Difference]: With dead ends: 65 [2022-11-16 11:07:03,476 INFO L226 Difference]: Without dead ends: 42 [2022-11-16 11:07:03,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=246, Invalid=566, Unknown=0, NotChecked=0, Total=812 [2022-11-16 11:07:03,478 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:07:03,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 617 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:07:03,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-16 11:07:03,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-16 11:07:03,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 41 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:03,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 60 transitions. [2022-11-16 11:07:03,486 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 60 transitions. Word has length 26 [2022-11-16 11:07:03,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:07:03,487 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 60 transitions. [2022-11-16 11:07:03,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.6) internal successors, (40), 25 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:03,487 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2022-11-16 11:07:03,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 11:07:03,488 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:07:03,489 INFO L195 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:03,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:07:03,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:07:03,695 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:07:03,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:03,695 INFO L85 PathProgramCache]: Analyzing trace with hash 2053183648, now seen corresponding path program 4 times [2022-11-16 11:07:03,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:03,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651694880] [2022-11-16 11:07:03,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:03,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:03,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:07:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:03,937 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:07:03,937 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:07:03,938 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:07:03,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:07:03,944 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1] [2022-11-16 11:07:03,948 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:07:04,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:07:04 BoogieIcfgContainer [2022-11-16 11:07:04,007 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:07:04,008 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:07:04,008 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:07:04,008 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:07:04,009 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:06:58" (3/4) ... [2022-11-16 11:07:04,012 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:07:04,012 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:07:04,013 INFO L158 Benchmark]: Toolchain (without parser) took 6281.50ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 58.7MB in the beginning and 82.9MB in the end (delta: -24.2MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2022-11-16 11:07:04,013 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory was 75.4MB in the beginning and 75.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:07:04,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.52ms. Allocated memory is still 100.7MB. Free memory was 58.5MB in the beginning and 75.4MB in the end (delta: -16.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:07:04,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.37ms. Allocated memory is still 100.7MB. Free memory was 75.4MB in the beginning and 71.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:07:04,017 INFO L158 Benchmark]: Boogie Preprocessor took 44.26ms. Allocated memory is still 100.7MB. Free memory was 71.9MB in the beginning and 69.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:07:04,018 INFO L158 Benchmark]: RCFGBuilder took 664.55ms. Allocated memory is still 100.7MB. Free memory was 69.5MB in the beginning and 49.6MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 11:07:04,018 INFO L158 Benchmark]: TraceAbstraction took 5209.31ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 48.9MB in the beginning and 83.9MB in the end (delta: -35.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:07:04,018 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 125.8MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:07:04,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory was 75.4MB in the beginning and 75.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.52ms. Allocated memory is still 100.7MB. Free memory was 58.5MB in the beginning and 75.4MB in the end (delta: -16.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.37ms. Allocated memory is still 100.7MB. Free memory was 75.4MB in the beginning and 71.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.26ms. Allocated memory is still 100.7MB. Free memory was 71.9MB in the beginning and 69.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 664.55ms. Allocated memory is still 100.7MB. Free memory was 69.5MB in the beginning and 49.6MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5209.31ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 48.9MB in the beginning and 83.9MB in the end (delta: -35.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 125.8MB. Free memory is still 82.9MB. 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: 25]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 50, overapproximation of bitwiseOr at line 62. Possible FailurePath: [L42] unsigned short x = __VERIFIER_nondet_ushort(); [L43] unsigned short y = __VERIFIER_nondet_ushort(); [L44] unsigned int xx; [L45] unsigned int yy; [L46] unsigned int zz; [L47] unsigned int z = 0; [L48] unsigned int i = 0; VAL [i=0, z=0] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=1, z=3] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=2, z=3] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=3, z=3] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=4, z=3] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=5, z=3] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=6, z=3] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=7, z=3] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=8, z=3] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=9, z=3] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=10, z=3] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=11, z=3] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=12, z=3] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=13, z=3] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=14, z=3] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=15, z=3] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=16, z=3] [L49] COND FALSE !(i < sizeof(x) * 8) VAL [i=16, z=3] [L53] xx = x [L54] yy = y VAL [i=16, x=5, xx=5, y=4, yy=4, z=3] [L55] xx = (xx | (xx << 8u)) & 16711935U VAL [i=16, x=5, xx=0, y=4, yy=4, z=3] [L56] xx = (xx | (xx << 4u)) & 252645135U VAL [i=16, x=5, xx=0, y=4, yy=4, z=3] [L57] xx = (xx | (xx << 2u)) & 858993459U VAL [i=16, x=5, xx=0, y=4, yy=4, z=3] [L58] xx = (xx | (xx << 1u)) & 1431655765U VAL [i=16, x=5, xx=0, y=4, yy=4, z=3] [L59] yy = (yy | (yy << 8u)) & 16711935U VAL [i=16, x=5, xx=0, y=4, yy=0, z=3] [L60] yy = (yy | (yy << 4u)) & 252645135U VAL [i=16, x=5, xx=0, y=4, yy=0, z=3] [L61] yy = (yy | (yy << 2u)) & 858993459U VAL [i=16, x=5, xx=0, y=4, yy=0, z=3] [L62] yy = (yy | (yy << 1u)) & 1431655765U VAL [i=16, x=5, xx=0, y=4, yy=0, z=3] [L64] zz = xx | (yy << 1U) VAL [i=16, x=5, xx=0, y=4, yy=0, z=3, zz=0] [L66] CALL __VERIFIER_assert(z == zz) [L24] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L25] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 5, TraceHistogramMax: 16, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1164 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 988 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 205 IncrementalHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 176 mSDtfsCounter, 205 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 105 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=4, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 195 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 3 NumberOfNonLiveVariables, 291 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/198 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 11:07:04,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/interleave_bits.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 41cbcdfa6f09b615c08bb2dbf908be5e0a68dc8c6a10c0ba76a3c4e4c07e69fb --- 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-e04fb08 [2022-11-16 11:07:06,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:07:06,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:07:06,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:07:06,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:07:06,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:07:06,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:07:06,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:07:06,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:07:06,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:07:06,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:07:06,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:07:06,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:07:06,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:07:06,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:07:06,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:07:06,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:07:06,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:07:06,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:07:06,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:07:06,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:07:06,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:07:06,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:07:06,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:07:06,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:07:06,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:07:06,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:07:06,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:07:06,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:07:06,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:07:06,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:07:06,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:07:06,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:07:06,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:07:06,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:07:06,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:07:06,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:07:06,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:07:06,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:07:06,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:07:06,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:07:06,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-16 11:07:06,518 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:07:06,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:07:06,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:07:06,519 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:07:06,520 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:07:06,520 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:07:06,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:07:06,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:07:06,521 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:07:06,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:07:06,522 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:07:06,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:07:06,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:07:06,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:07:06,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:07:06,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:07:06,523 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:07:06,523 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:07:06,523 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:07:06,523 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:07:06,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:07:06,523 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:07:06,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:07:06,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:07:06,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:07:06,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:07:06,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:07:06,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:07:06,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:07:06,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:07:06,525 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:07:06,525 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:07:06,525 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:07:06,525 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:07:06,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:07:06,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:07:06,526 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_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41cbcdfa6f09b615c08bb2dbf908be5e0a68dc8c6a10c0ba76a3c4e4c07e69fb [2022-11-16 11:07:06,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:07:06,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:07:06,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:07:06,971 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:07:06,972 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:07:06,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/bitvector/interleave_bits.i [2022-11-16 11:07:07,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/data/8d968153e/38cf60d1d66d4239b635e0e87e02e911/FLAG530f423f2 [2022-11-16 11:07:07,632 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:07:07,633 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/sv-benchmarks/c/bitvector/interleave_bits.i [2022-11-16 11:07:07,641 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/data/8d968153e/38cf60d1d66d4239b635e0e87e02e911/FLAG530f423f2 [2022-11-16 11:07:07,970 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/data/8d968153e/38cf60d1d66d4239b635e0e87e02e911 [2022-11-16 11:07:07,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:07:07,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:07:07,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:07:07,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:07:07,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:07:07,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:07:07" (1/1) ... [2022-11-16 11:07:07,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c49874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:07, skipping insertion in model container [2022-11-16 11:07:07,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:07:07" (1/1) ... [2022-11-16 11:07:07,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:07:08,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:07:08,209 WARN L229 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_f1a8045a-1648-4356-a131-a2cf3e549353/sv-benchmarks/c/bitvector/interleave_bits.i[1175,1188] [2022-11-16 11:07:08,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:07:08,295 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:07:08,324 WARN L229 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_f1a8045a-1648-4356-a131-a2cf3e549353/sv-benchmarks/c/bitvector/interleave_bits.i[1175,1188] [2022-11-16 11:07:08,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:07:08,352 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:07:08,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:08 WrapperNode [2022-11-16 11:07:08,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:07:08,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:07:08,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:07:08,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:07:08,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:08" (1/1) ... [2022-11-16 11:07:08,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:08" (1/1) ... [2022-11-16 11:07:08,392 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2022-11-16 11:07:08,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:07:08,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:07:08,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:07:08,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:07:08,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:08" (1/1) ... [2022-11-16 11:07:08,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:08" (1/1) ... [2022-11-16 11:07:08,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:08" (1/1) ... [2022-11-16 11:07:08,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:08" (1/1) ... [2022-11-16 11:07:08,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:08" (1/1) ... [2022-11-16 11:07:08,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:08" (1/1) ... [2022-11-16 11:07:08,440 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:08" (1/1) ... [2022-11-16 11:07:08,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:08" (1/1) ... [2022-11-16 11:07:08,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:07:08,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:07:08,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:07:08,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:07:08,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:08" (1/1) ... [2022-11-16 11:07:08,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:07:08,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:07:08,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:07:08,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:07:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:07:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 11:07:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:07:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:07:08,586 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:07:08,587 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:07:08,722 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:07:08,727 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:07:08,728 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:07:08,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:07:08 BoogieIcfgContainer [2022-11-16 11:07:08,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:07:08,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:07:08,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:07:08,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:07:08,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:07:07" (1/3) ... [2022-11-16 11:07:08,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cadd392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:07:08, skipping insertion in model container [2022-11-16 11:07:08,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:08" (2/3) ... [2022-11-16 11:07:08,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cadd392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:07:08, skipping insertion in model container [2022-11-16 11:07:08,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:07:08" (3/3) ... [2022-11-16 11:07:08,739 INFO L112 eAbstractionObserver]: Analyzing ICFG interleave_bits.i [2022-11-16 11:07:08,762 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:07:08,762 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:07:08,824 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:07:08,832 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@494de39f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:07:08,832 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:07:08,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:08,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 11:07:08,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:07:08,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-16 11:07:08,845 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:07:08,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:08,851 INFO L85 PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times [2022-11-16 11:07:08,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:07:08,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989018078] [2022-11-16 11:07:08,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:08,865 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:07:08,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:07:08,871 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:07:08,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 11:07:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:08,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:07:08,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:07:09,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:09,010 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:07:09,011 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:07:09,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989018078] [2022-11-16 11:07:09,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [989018078] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:09,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:09,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:07:09,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958206283] [2022-11-16 11:07:09,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:09,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:09,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:07:09,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:09,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:09,081 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:09,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:07:09,134 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2022-11-16 11:07:09,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:09,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-11-16 11:07:09,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:07:09,144 INFO L225 Difference]: With dead ends: 20 [2022-11-16 11:07:09,144 INFO L226 Difference]: Without dead ends: 8 [2022-11-16 11:07:09,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:09,151 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:07:09,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:07:09,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-16 11:07:09,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-16 11:07:09,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:09,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2022-11-16 11:07:09,223 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2022-11-16 11:07:09,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:07:09,223 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2022-11-16 11:07:09,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:09,225 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2022-11-16 11:07:09,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 11:07:09,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:07:09,226 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:09,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:07:09,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:07:09,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:07:09,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:09,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1810510480, now seen corresponding path program 1 times [2022-11-16 11:07:09,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:07:09,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [924175854] [2022-11-16 11:07:09,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:09,441 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:07:09,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:07:09,443 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:07:09,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 11:07:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:09,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 11:07:09,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:07:09,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:09,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:07:09,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:09,628 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:07:09,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [924175854] [2022-11-16 11:07:09,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [924175854] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:07:09,629 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:07:09,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-16 11:07:09,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216232561] [2022-11-16 11:07:09,630 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:07:09,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:07:09,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:07:09,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:07:09,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:07:09,633 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:09,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:07:09,688 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2022-11-16 11:07:09,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:07:09,689 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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 7 [2022-11-16 11:07:09,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:07:09,690 INFO L225 Difference]: With dead ends: 15 [2022-11-16 11:07:09,690 INFO L226 Difference]: Without dead ends: 11 [2022-11-16 11:07:09,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:07:09,694 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:07:09,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:07:09,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-16 11:07:09,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-11-16 11:07:09,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-16 11:07:09,705 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2022-11-16 11:07:09,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:07:09,706 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2022-11-16 11:07:09,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:09,707 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-16 11:07:09,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 11:07:09,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:07:09,708 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:09,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:07:09,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:07:09,919 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:07:09,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:09,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1922847381, now seen corresponding path program 2 times [2022-11-16 11:07:09,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:07:09,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202904495] [2022-11-16 11:07:09,921 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:07:09,921 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:07:09,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:07:09,923 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:07:09,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-16 11:07:09,988 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:07:09,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:07:09,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 11:07:09,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:07:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:10,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:07:10,207 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:10,208 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:07:10,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1202904495] [2022-11-16 11:07:10,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1202904495] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:07:10,214 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:07:10,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-16 11:07:10,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506727435] [2022-11-16 11:07:10,215 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:07:10,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 11:07:10,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:07:10,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 11:07:10,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:07:10,221 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:10,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:07:10,465 INFO L93 Difference]: Finished difference Result 21 states and 26 transitions. [2022-11-16 11:07:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:07:10,468 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 10 [2022-11-16 11:07:10,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:07:10,468 INFO L225 Difference]: With dead ends: 21 [2022-11-16 11:07:10,468 INFO L226 Difference]: Without dead ends: 17 [2022-11-16 11:07:10,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-11-16 11:07:10,471 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:07:10,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:07:10,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-16 11:07:10,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-16 11:07:10,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:10,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2022-11-16 11:07:10,488 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 10 [2022-11-16 11:07:10,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:07:10,489 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2022-11-16 11:07:10,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:10,489 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2022-11-16 11:07:10,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 11:07:10,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:07:10,490 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:10,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:07:10,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:07:10,691 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:07:10,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:10,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1628318539, now seen corresponding path program 3 times [2022-11-16 11:07:10,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:07:10,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572442501] [2022-11-16 11:07:10,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 11:07:10,693 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:07:10,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:07:10,700 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:07:10,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/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 (5)] Waiting until timeout for monitored process [2022-11-16 11:07:10,806 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-16 11:07:10,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:07:10,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 11:07:10,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:07:11,039 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:11,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:07:11,629 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:11,630 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:07:11,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572442501] [2022-11-16 11:07:11,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1572442501] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:07:11,630 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:07:11,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2022-11-16 11:07:11,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526582191] [2022-11-16 11:07:11,631 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:07:11,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-16 11:07:11,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:07:11,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-16 11:07:11,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2022-11-16 11:07:11,632 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 24 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 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) [2022-11-16 11:07:13,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:07:13,216 INFO L93 Difference]: Finished difference Result 33 states and 44 transitions. [2022-11-16 11:07:13,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-16 11:07:13,218 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 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 16 [2022-11-16 11:07:13,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:07:13,218 INFO L225 Difference]: With dead ends: 33 [2022-11-16 11:07:13,218 INFO L226 Difference]: Without dead ends: 29 [2022-11-16 11:07:13,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=370, Invalid=820, Unknown=0, NotChecked=0, Total=1190 [2022-11-16 11:07:13,220 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 35 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:07:13,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 19 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:07:13,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-16 11:07:13,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-16 11:07:13,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 28 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:13,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2022-11-16 11:07:13,238 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 16 [2022-11-16 11:07:13,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:07:13,239 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2022-11-16 11:07:13,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 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) [2022-11-16 11:07:13,240 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2022-11-16 11:07:13,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 11:07:13,242 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:07:13,242 INFO L195 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:13,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/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 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:07:13,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:07:13,461 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:07:13,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:13,463 INFO L85 PathProgramCache]: Analyzing trace with hash 26919211, now seen corresponding path program 4 times [2022-11-16 11:07:13,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:07:13,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95096722] [2022-11-16 11:07:13,467 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 11:07:13,467 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:07:13,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:07:13,470 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:07:13,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-16 11:07:13,623 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 11:07:13,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:07:13,633 WARN L261 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-16 11:07:13,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:07:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:15,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:08:04,535 WARN L833 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~x~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~y~0#1| (_ BitVec 16))) (let ((.cse0 ((_ zero_extend 16) |ULTIMATE.start_main_~y~0#1|)) (.cse1 ((_ zero_extend 16) |ULTIMATE.start_main_~x~0#1|))) (= (bvor (bvor (bvor (bvshl (bvand .cse0 (_ bv16384 32)) (_ bv15 32)) (bvshl (bvand .cse1 (_ bv16384 32)) (_ bv14 32))) (bvor (bvor (bvor (bvor (bvshl (bvand .cse1 (_ bv2048 32)) (_ bv11 32)) (bvshl (bvand .cse0 (_ bv2048 32)) (_ bv12 32))) (bvor (bvor (bvshl (bvand .cse0 (_ bv1024 32)) (_ bv11 32)) (bvshl (bvand .cse1 (_ bv1024 32)) (_ bv10 32))) (bvor (bvor (bvor (bvor (bvshl (bvand .cse0 (_ bv128 32)) (_ bv8 32)) (bvshl (bvand .cse1 (_ bv128 32)) (_ bv7 32))) (bvor (bvor (bvor (bvor (bvshl (bvand (_ bv16 32) .cse1) (_ bv4 32)) (bvshl (bvand .cse0 (_ bv16 32)) (_ bv5 32))) (bvor (bvor (bvshl (bvand .cse0 (_ bv8 32)) (_ bv4 32)) (bvshl (bvand .cse1 (_ bv8 32)) (_ bv3 32))) (bvor (bvor (bvshl (bvand .cse0 (_ bv4 32)) (_ bv3 32)) (bvshl (bvand .cse1 (_ bv4 32)) (_ bv2 32))) (bvor (bvor (_ bv0 32) (bvor (bvshl (bvand .cse0 (_ bv1 32)) (_ bv1 32)) (bvshl (bvand .cse1 (_ bv1 32)) (_ bv0 32)))) (bvor (bvshl (bvand .cse1 (_ bv2 32)) (_ bv1 32)) (bvshl (bvand .cse0 (_ bv2 32)) (_ bv2 32))))))) (bvor (bvshl (bvand .cse0 (_ bv32 32)) (_ bv6 32)) (bvshl (bvand .cse1 (_ bv32 32)) (_ bv5 32)))) (bvor (bvshl (bvand .cse0 (_ bv64 32)) (_ bv7 32)) (bvshl (bvand .cse1 (_ bv64 32)) (_ bv6 32))))) (bvor (bvshl (bvand (_ bv256 32) .cse1) (_ bv8 32)) (bvshl (bvand .cse0 (_ bv256 32)) (_ bv9 32)))) (bvor (bvshl (bvand .cse1 (_ bv512 32)) (_ bv9 32)) (bvshl (bvand .cse0 (_ bv512 32)) (_ bv10 32)))))) (bvor (bvshl (bvand .cse1 (_ bv4096 32)) (_ bv12 32)) (bvshl (bvand .cse0 (_ bv4096 32)) (_ bv13 32)))) (bvor (bvshl (bvand .cse0 (_ bv8192 32)) (_ bv14 32)) (bvshl (bvand .cse1 (_ bv8192 32)) (_ bv13 32))))) (bvor (bvshl (bvand .cse0 (_ bv32768 32)) (_ bv16 32)) (bvshl (bvand .cse1 (_ bv32768 32)) (_ bv15 32)))) (let ((.cse31 (bvadd (_ bv15 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse29 (bvadd (_ bv14 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse4 (bvadd (_ bv13 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse3 (bvadd (_ bv12 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse2 (bvshl (_ bv1 32) .cse3))) (bvor (bvshl (bvand .cse1 .cse2) .cse3) (bvshl (bvand .cse0 .cse2) .cse4))) (let ((.cse6 (bvadd (_ bv11 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse5 (bvshl (_ bv1 32) .cse6))) (bvor (bvshl (bvand .cse0 .cse5) .cse3) (bvshl (bvand .cse1 .cse5) .cse6))) (let ((.cse8 (bvadd (_ bv10 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse7 (bvshl (_ bv1 32) .cse8))) (bvor (bvshl (bvand .cse1 .cse7) .cse8) (bvshl (bvand .cse0 .cse7) .cse6))) (let ((.cse26 (bvadd (_ bv9 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse10 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse11 (bvadd (_ bv7 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse9 (bvshl (_ bv1 32) .cse11))) (bvor (bvshl (bvand .cse0 .cse9) .cse10) (bvshl (bvand .cse1 .cse9) .cse11))) (let ((.cse13 (bvadd (_ bv6 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse14 (bvadd (_ bv5 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse12 (bvshl (_ bv1 32) .cse14))) (bvor (bvshl (bvand .cse0 .cse12) .cse13) (bvshl (bvand .cse1 .cse12) .cse14))) (let ((.cse16 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse15 (bvshl (_ bv1 32) .cse16))) (bvor (bvshl (bvand .cse0 .cse15) .cse14) (bvshl (bvand .cse1 .cse15) .cse16))) (let ((.cse18 (bvadd (_ bv3 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse17 (bvshl (_ bv1 32) .cse18))) (bvor (bvshl (bvand .cse0 .cse17) .cse16) (bvshl (bvand .cse1 .cse17) .cse18))) (let ((.cse22 (bvadd (_ bv2 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse20 (bvadd (_ bv1 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (bvor |c_ULTIMATE.start_main_~z~0#1| (let ((.cse19 (bvshl (_ bv1 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (bvshl (bvand .cse0 .cse19) .cse20) (bvshl (bvand .cse1 .cse19) |c_ULTIMATE.start_main_~i~0#1|)))) (let ((.cse21 (bvshl (_ bv1 32) .cse20))) (bvor (bvshl (bvand .cse1 .cse21) .cse20) (bvshl (bvand .cse0 .cse21) .cse22))))) (let ((.cse23 (bvshl (_ bv1 32) .cse22))) (bvor (bvshl (bvand .cse1 .cse23) .cse22) (bvshl (bvand .cse0 .cse23) .cse18))))))))))) (let ((.cse24 (bvshl (_ bv1 32) .cse13))) (bvor (bvshl (bvand .cse0 .cse24) .cse11) (bvshl (bvand .cse1 .cse24) .cse13))))))) (let ((.cse25 (bvshl (_ bv1 32) .cse10))) (bvor (bvshl (bvand .cse1 .cse25) .cse10) (bvshl (bvand .cse0 .cse25) .cse26))))) (let ((.cse27 (bvshl (_ bv1 32) .cse26))) (bvor (bvshl (bvand .cse1 .cse27) .cse26) (bvshl (bvand .cse0 .cse27) .cse8))))))))))) (let ((.cse28 (bvshl (_ bv1 32) .cse4))) (bvor (bvshl (bvand .cse28 .cse1) .cse4) (bvshl (bvand .cse0 .cse28) .cse29))))) (let ((.cse30 (bvshl (_ bv1 32) .cse29))) (bvor (bvshl (bvand .cse1 .cse30) .cse29) (bvshl (bvand .cse0 .cse30) .cse31))))) (let ((.cse32 (bvshl (_ bv1 32) .cse31))) (bvor (bvshl (bvand .cse32 .cse0) (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~i~0#1|)) (bvshl (bvand .cse32 .cse1) .cse31)))))))) is different from false [2022-11-16 11:08:04,608 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 16 not checked. [2022-11-16 11:08:04,608 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:08:04,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95096722] [2022-11-16 11:08:04,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [95096722] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:08:04,609 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:08:04,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2022-11-16 11:08:04,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323198637] [2022-11-16 11:08:04,610 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:08:04,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-11-16 11:08:04,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:08:04,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-11-16 11:08:04,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=951, Unknown=1, NotChecked=68, Total=1332 [2022-11-16 11:08:04,612 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 37 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 37 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:07,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:08:07,391 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2022-11-16 11:08:07,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-16 11:08:07,392 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 37 states have internal predecessors, (41), 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 22 [2022-11-16 11:08:07,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:08:07,392 INFO L225 Difference]: With dead ends: 29 [2022-11-16 11:08:07,392 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:08:07,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 49.9s TimeCoverageRelationStatistics Valid=332, Invalid=1003, Unknown=1, NotChecked=70, Total=1406 [2022-11-16 11:08:07,394 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 6 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:08:07,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 18 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 325 Invalid, 0 Unknown, 19 Unchecked, 2.5s Time] [2022-11-16 11:08:07,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:08:07,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:08:07,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:07,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:08:07,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2022-11-16 11:08:07,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:08:07,397 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:08:07,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 37 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:07,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:08:07,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:08:07,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:08:07,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/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)] Forceful destruction successful, exit code 0 [2022-11-16 11:08:07,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:08:07,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:08:08,948 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:08:08,948 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-11-16 11:08:08,948 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 67) no Hoare annotation was computed. [2022-11-16 11:08:08,948 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:08:08,948 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:08:08,948 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:08:08,949 INFO L899 garLoopResultBuilder]: For program point L24(lines 24 26) no Hoare annotation was computed. [2022-11-16 11:08:08,949 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 25) no Hoare annotation was computed. [2022-11-16 11:08:08,949 INFO L902 garLoopResultBuilder]: At program point L24-2(lines 23 28) the Hoare annotation is: true [2022-11-16 11:08:08,950 INFO L895 garLoopResultBuilder]: At program point L49-2(lines 49 52) the Hoare annotation is: (let ((.cse6 ((_ zero_extend 16) |ULTIMATE.start_main_~x~0#1|)) (.cse5 ((_ zero_extend 16) |ULTIMATE.start_main_~y~0#1|))) (let ((.cse12 (bvor (bvor (_ bv0 32) (bvor (bvshl (bvand .cse5 (_ bv1 32)) (_ bv1 32)) (bvshl (bvand .cse6 (_ bv1 32)) (_ bv0 32)))) (bvor (bvshl (bvand .cse6 (_ bv2 32)) (_ bv1 32)) (bvshl (bvand .cse5 (_ bv2 32)) (_ bv2 32)))))) (let ((.cse1 (bvor (bvor (bvshl (bvand .cse5 (_ bv4 32)) (_ bv3 32)) (bvshl (bvand .cse6 (_ bv4 32)) (_ bv2 32))) .cse12))) (let ((.cse13 (bvor (bvor (bvshl (bvand (_ bv16 32) .cse6) (_ bv4 32)) (bvshl (bvand .cse5 (_ bv16 32)) (_ bv5 32))) (bvor (bvor (bvshl (bvand .cse5 (_ bv8 32)) (_ bv4 32)) (bvshl (bvand .cse6 (_ bv8 32)) (_ bv3 32))) .cse1)))) (let ((.cse7 (bvor .cse13 (bvor (bvshl (bvand .cse5 (_ bv32 32)) (_ bv6 32)) (bvshl (bvand .cse6 (_ bv32 32)) (_ bv5 32)))))) (let ((.cse11 (bvor (bvor (bvshl (bvand .cse5 (_ bv128 32)) (_ bv8 32)) (bvshl (bvand .cse6 (_ bv128 32)) (_ bv7 32))) (bvor .cse7 (bvor (bvshl (bvand .cse5 (_ bv64 32)) (_ bv7 32)) (bvshl (bvand .cse6 (_ bv64 32)) (_ bv6 32))))))) (let ((.cse2 (bvor .cse11 (bvor (bvshl (bvand (_ bv256 32) .cse6) (_ bv8 32)) (bvshl (bvand .cse5 (_ bv256 32)) (_ bv9 32)))))) (let ((.cse3 (bvor .cse2 (bvor (bvshl (bvand .cse6 (_ bv512 32)) (_ bv9 32)) (bvshl (bvand .cse5 (_ bv512 32)) (_ bv10 32)))))) (let ((.cse9 (bvor (bvor (bvshl (bvand .cse5 (_ bv1024 32)) (_ bv11 32)) (bvshl (bvand .cse6 (_ bv1024 32)) (_ bv10 32))) .cse3))) (let ((.cse10 (bvor (bvor (bvshl (bvand .cse6 (_ bv2048 32)) (_ bv11 32)) (bvshl (bvand .cse5 (_ bv2048 32)) (_ bv12 32))) .cse9))) (let ((.cse8 (bvor .cse10 (bvor (bvshl (bvand .cse6 (_ bv4096 32)) (_ bv12 32)) (bvshl (bvand .cse5 (_ bv4096 32)) (_ bv13 32)))))) (let ((.cse0 (bvor (bvor (bvshl (bvand .cse5 (_ bv16384 32)) (_ bv15 32)) (bvshl (bvand .cse6 (_ bv16384 32)) (_ bv14 32))) (bvor .cse8 (bvor (bvshl (bvand .cse5 (_ bv8192 32)) (_ bv14 32)) (bvshl (bvand .cse6 (_ bv8192 32)) (_ bv13 32)))))) (.cse4 (let ((.cse15 (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~i~0#1|))) (let ((.cse14 (bvshl (_ bv1 32) .cse15))) (bvor (bvshl (bvand .cse6 .cse14) .cse15) (bvshl (bvand .cse5 .cse14) |ULTIMATE.start_main_~i~0#1|)))))) (or (and (= |ULTIMATE.start_main_~i~0#1| (_ bv15 32)) (= |ULTIMATE.start_main_~z~0#1| .cse0)) (and (= |ULTIMATE.start_main_~z~0#1| .cse1) (= |ULTIMATE.start_main_~i~0#1| (_ bv3 32))) (and (= |ULTIMATE.start_main_~i~0#1| (_ bv9 32)) (= |ULTIMATE.start_main_~z~0#1| .cse2)) (and (= |ULTIMATE.start_main_~i~0#1| (_ bv10 32)) (= |ULTIMATE.start_main_~z~0#1| .cse3)) (and (= |ULTIMATE.start_main_~i~0#1| (_ bv1 32)) (= (bvor .cse4 (_ bv0 32)) |ULTIMATE.start_main_~z~0#1|)) (= |ULTIMATE.start_main_~z~0#1| (bvor .cse0 (bvor (bvshl (bvand .cse5 (_ bv32768 32)) (_ bv16 32)) (bvshl (bvand .cse6 (_ bv32768 32)) (_ bv15 32))))) (and (= (bvor .cse7 .cse4) |ULTIMATE.start_main_~z~0#1|) (= |ULTIMATE.start_main_~i~0#1| (_ bv7 32))) (and (= |ULTIMATE.start_main_~z~0#1| (bvor .cse8 .cse4)) (= (_ bv14 32) |ULTIMATE.start_main_~i~0#1|)) (and (= |ULTIMATE.start_main_~i~0#1| (_ bv11 32)) (= |ULTIMATE.start_main_~z~0#1| .cse9)) (and (= |ULTIMATE.start_main_~i~0#1| (_ bv12 32)) (= |ULTIMATE.start_main_~z~0#1| .cse10)) (and (= |ULTIMATE.start_main_~i~0#1| (_ bv8 32)) (= |ULTIMATE.start_main_~z~0#1| .cse11)) (and (= .cse7 |ULTIMATE.start_main_~z~0#1|) (= |ULTIMATE.start_main_~i~0#1| (_ bv6 32))) (and (= |ULTIMATE.start_main_~z~0#1| .cse12) (= |ULTIMATE.start_main_~i~0#1| (_ bv2 32))) (and (= |ULTIMATE.start_main_~i~0#1| (_ bv0 32)) (= |ULTIMATE.start_main_~z~0#1| (_ bv0 32))) (and (= .cse8 |ULTIMATE.start_main_~z~0#1|) (= |ULTIMATE.start_main_~i~0#1| (_ bv13 32))) (and (= .cse13 |ULTIMATE.start_main_~z~0#1|) (= |ULTIMATE.start_main_~i~0#1| (_ bv5 32))) (and (= |ULTIMATE.start_main_~z~0#1| (bvor .cse1 .cse4)) (= (_ bv4 32) |ULTIMATE.start_main_~i~0#1|))))))))))))))) [2022-11-16 11:08:08,950 INFO L899 garLoopResultBuilder]: For program point L49-3(lines 49 52) no Hoare annotation was computed. [2022-11-16 11:08:08,953 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1] [2022-11-16 11:08:08,955 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:08:08,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:08:08 BoogieIcfgContainer [2022-11-16 11:08:09,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:08:09,000 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:08:09,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:08:09,001 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:08:09,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:07:08" (3/4) ... [2022-11-16 11:08:09,004 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:08:09,013 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-16 11:08:09,013 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 11:08:09,014 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:08:09,014 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:08:09,055 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:08:09,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:08:09,056 INFO L158 Benchmark]: Toolchain (without parser) took 61078.60ms. Allocated memory was 79.7MB in the beginning and 98.6MB in the end (delta: 18.9MB). Free memory was 62.5MB in the beginning and 42.6MB in the end (delta: 19.8MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2022-11-16 11:08:09,056 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 79.7MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:08:09,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.27ms. Allocated memory is still 79.7MB. Free memory was 62.2MB in the beginning and 62.1MB in the end (delta: 33.3kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:08:09,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.52ms. Allocated memory is still 79.7MB. Free memory was 62.1MB in the beginning and 60.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:08:09,057 INFO L158 Benchmark]: Boogie Preprocessor took 53.25ms. Allocated memory is still 79.7MB. Free memory was 60.6MB in the beginning and 59.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:08:09,058 INFO L158 Benchmark]: RCFGBuilder took 282.85ms. Allocated memory is still 79.7MB. Free memory was 59.3MB in the beginning and 48.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:08:09,058 INFO L158 Benchmark]: TraceAbstraction took 60267.78ms. Allocated memory was 79.7MB in the beginning and 98.6MB in the end (delta: 18.9MB). Free memory was 47.9MB in the beginning and 45.8MB in the end (delta: 2.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2022-11-16 11:08:09,059 INFO L158 Benchmark]: Witness Printer took 54.73ms. Allocated memory is still 98.6MB. Free memory was 45.8MB in the beginning and 42.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:08:09,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 79.7MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.27ms. Allocated memory is still 79.7MB. Free memory was 62.2MB in the beginning and 62.1MB in the end (delta: 33.3kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.52ms. Allocated memory is still 79.7MB. Free memory was 62.1MB in the beginning and 60.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.25ms. Allocated memory is still 79.7MB. Free memory was 60.6MB in the beginning and 59.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 282.85ms. Allocated memory is still 79.7MB. Free memory was 59.3MB in the beginning and 48.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 60267.78ms. Allocated memory was 79.7MB in the beginning and 98.6MB in the end (delta: 18.9MB). Free memory was 47.9MB in the beginning and 45.8MB in the end (delta: 2.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Witness Printer took 54.73ms. Allocated memory is still 98.6MB. Free memory was 45.8MB in the beginning and 42.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 25]: 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: 60.1s, OverallIterations: 5, TraceHistogramMax: 16, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 103 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 19 IncrementalHoareTripleChecker+Unchecked, 73 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 503 IncrementalHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 30 mSDtfsCounter, 503 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 89 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 52.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=4, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 25 NumberOfFragments, 2061 HoareAnnotationTreeSize, 2 FomulaSimplifications, 1461 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 381 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 52.2s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 107 ConstructedInterpolants, 1 QuantifiedInterpolants, 10061 SizeOfPredicates, 13 NumberOfNonLiveVariables, 203 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 120/404 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: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: ((((((((((((((((i == 15bv32 && z == ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16384bv32), 15bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 16384bv32), 14bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2048bv32), 11bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2048bv32), 12bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1024bv32), 11bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1024bv32), 10bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 128bv32), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 128bv32), 7bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32)))), ~bvor32(~bvshl32(~bvand32(256bv32, ~zero_extendFrom16To32(x)), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 256bv32), 9bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 512bv32), 9bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 512bv32), 10bv32))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4096bv32), 12bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4096bv32), 13bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8192bv32), 14bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8192bv32), 13bv32))))) || (z == ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))) && i == 3bv32)) || (i == 9bv32 && z == ~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 128bv32), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 128bv32), 7bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32)))), ~bvor32(~bvshl32(~bvand32(256bv32, ~zero_extendFrom16To32(x)), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 256bv32), 9bv32))))) || (i == 10bv32 && z == ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 128bv32), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 128bv32), 7bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32)))), ~bvor32(~bvshl32(~bvand32(256bv32, ~zero_extendFrom16To32(x)), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 256bv32), 9bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 512bv32), 9bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 512bv32), 10bv32))))) || (i == 1bv32 && ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), i)), 0bv32) == z)) || z == ~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16384bv32), 15bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 16384bv32), 14bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2048bv32), 11bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2048bv32), 12bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1024bv32), 11bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1024bv32), 10bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 128bv32), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 128bv32), 7bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32)))), ~bvor32(~bvshl32(~bvand32(256bv32, ~zero_extendFrom16To32(x)), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 256bv32), 9bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 512bv32), 9bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 512bv32), 10bv32))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4096bv32), 12bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4096bv32), 13bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8192bv32), 14bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8192bv32), 13bv32)))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32768bv32), 16bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32768bv32), 15bv32)))) || (~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), i))) == z && i == 7bv32)) || (z == ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2048bv32), 11bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2048bv32), 12bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1024bv32), 11bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1024bv32), 10bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 128bv32), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 128bv32), 7bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32)))), ~bvor32(~bvshl32(~bvand32(256bv32, ~zero_extendFrom16To32(x)), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 256bv32), 9bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 512bv32), 9bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 512bv32), 10bv32))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4096bv32), 12bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4096bv32), 13bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), i))) && 14bv32 == i)) || (i == 11bv32 && z == ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1024bv32), 11bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1024bv32), 10bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 128bv32), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 128bv32), 7bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32)))), ~bvor32(~bvshl32(~bvand32(256bv32, ~zero_extendFrom16To32(x)), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 256bv32), 9bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 512bv32), 9bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 512bv32), 10bv32)))))) || (i == 12bv32 && z == ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2048bv32), 11bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2048bv32), 12bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1024bv32), 11bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1024bv32), 10bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 128bv32), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 128bv32), 7bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32)))), ~bvor32(~bvshl32(~bvand32(256bv32, ~zero_extendFrom16To32(x)), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 256bv32), 9bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 512bv32), 9bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 512bv32), 10bv32))))))) || (i == 8bv32 && z == ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 128bv32), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 128bv32), 7bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32)))))) || (~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))) == z && i == 6bv32)) || (z == ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32))) && i == 2bv32)) || (i == 0bv32 && z == 0bv32)) || (~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2048bv32), 11bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2048bv32), 12bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1024bv32), 11bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1024bv32), 10bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 128bv32), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 128bv32), 7bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32)))), ~bvor32(~bvshl32(~bvand32(256bv32, ~zero_extendFrom16To32(x)), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 256bv32), 9bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 512bv32), 9bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 512bv32), 10bv32))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4096bv32), 12bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4096bv32), 13bv32))) == z && i == 13bv32)) || (~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))) == z && i == 5bv32)) || (z == ~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), i))) && 4bv32 == i) RESULT: Ultimate proved your program to be correct! [2022-11-16 11:08:09,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a8045a-1648-4356-a131-a2cf3e549353/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE