./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a94ea84ce989fbbbaf2c8eaba75d5160290d15621b4e8c8582440d0d85685d8d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:28:11,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:28:11,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:28:11,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:28:11,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:28:11,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:28:11,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:28:11,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:28:11,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:28:11,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:28:11,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:28:11,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:28:11,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:28:11,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:28:11,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:28:11,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:28:11,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:28:11,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:28:11,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:28:11,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:28:11,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:28:11,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:28:11,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:28:11,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:28:11,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:28:11,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:28:11,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:28:11,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:28:11,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:28:11,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:28:11,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:28:11,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:28:11,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:28:11,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:28:11,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:28:11,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:28:11,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:28:11,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:28:11,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:28:11,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:28:11,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:28:11,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 14:28:11,282 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:28:11,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:28:11,284 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:28:11,284 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:28:11,284 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:28:11,285 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:28:11,285 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:28:11,285 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:28:11,286 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:28:11,286 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:28:11,287 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:28:11,287 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:28:11,288 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:28:11,288 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:28:11,288 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:28:11,289 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:28:11,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:28:11,290 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:28:11,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:28:11,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:28:11,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:28:11,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:28:11,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:28:11,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:28:11,292 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:28:11,292 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:28:11,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:28:11,292 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:28:11,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:28:11,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:28:11,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:28:11,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:28:11,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:28:11,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:28:11,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:28:11,297 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:28:11,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:28:11,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:28:11,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:28:11,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:28:11,298 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a94ea84ce989fbbbaf2c8eaba75d5160290d15621b4e8c8582440d0d85685d8d [2021-11-19 14:28:11,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:28:11,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:28:11,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:28:11,705 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:28:11,706 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:28:11,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c [2021-11-19 14:28:11,813 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/data/3c23296bb/602b2dfbd7ad477fa72bb8d068e55a4d/FLAG9c3a70914 [2021-11-19 14:28:12,487 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:28:12,488 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c [2021-11-19 14:28:12,519 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/data/3c23296bb/602b2dfbd7ad477fa72bb8d068e55a4d/FLAG9c3a70914 [2021-11-19 14:28:12,721 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/data/3c23296bb/602b2dfbd7ad477fa72bb8d068e55a4d [2021-11-19 14:28:12,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:28:12,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:28:12,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:28:12,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:28:12,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:28:12,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:28:12" (1/1) ... [2021-11-19 14:28:12,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783cf662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:28:12, skipping insertion in model container [2021-11-19 14:28:12,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:28:12" (1/1) ... [2021-11-19 14:28:12,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:28:12,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:28:13,302 WARN L230 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_58fde600-0d6e-4f3b-bf23-d02eded68ce0/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c[65523,65536] [2021-11-19 14:28:13,325 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:28:13,348 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 14:28:13,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5bfd5ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:28:13, skipping insertion in model container [2021-11-19 14:28:13,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:28:13,349 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:28:13,352 INFO L158 Benchmark]: Toolchain (without parser) took 625.08ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 42.7MB in the beginning and 70.2MB in the end (delta: -27.4MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2021-11-19 14:28:13,352 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:28:13,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 617.09ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 42.5MB in the beginning and 70.2MB in the end (delta: -27.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2021-11-19 14:28:13,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 617.09ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 42.5MB in the beginning and 70.2MB in the end (delta: -27.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1050]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a94ea84ce989fbbbaf2c8eaba75d5160290d15621b4e8c8582440d0d85685d8d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:28:15,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:28:15,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:28:15,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:28:15,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:28:15,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:28:15,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:28:15,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:28:15,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:28:15,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:28:15,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:28:15,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:28:15,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:28:15,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:28:15,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:28:15,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:28:15,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:28:15,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:28:15,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:28:15,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:28:15,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:28:15,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:28:15,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:28:15,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:28:15,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:28:15,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:28:15,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:28:15,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:28:15,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:28:15,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:28:15,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:28:15,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:28:15,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:28:15,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:28:15,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:28:15,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:28:15,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:28:15,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:28:15,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:28:15,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:28:15,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:28:15,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-19 14:28:16,004 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:28:16,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:28:16,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:28:16,006 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:28:16,006 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:28:16,006 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:28:16,007 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:28:16,007 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:28:16,007 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:28:16,007 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:28:16,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:28:16,010 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:28:16,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:28:16,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:28:16,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:28:16,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:28:16,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:28:16,011 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:28:16,012 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:28:16,012 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:28:16,012 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:28:16,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:28:16,012 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:28:16,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:28:16,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:28:16,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:28:16,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:28:16,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:28:16,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:28:16,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:28:16,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:28:16,015 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:28:16,015 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:28:16,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:28:16,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:28:16,016 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:28:16,016 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_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a94ea84ce989fbbbaf2c8eaba75d5160290d15621b4e8c8582440d0d85685d8d [2021-11-19 14:28:16,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:28:16,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:28:16,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:28:16,523 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:28:16,524 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:28:16,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c [2021-11-19 14:28:16,613 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/data/c5d524d9d/626f8f2510c44c5bb692b55bf90c7535/FLAGe1b06f813 [2021-11-19 14:28:17,431 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:28:17,432 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c [2021-11-19 14:28:17,454 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/data/c5d524d9d/626f8f2510c44c5bb692b55bf90c7535/FLAGe1b06f813 [2021-11-19 14:28:17,578 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/data/c5d524d9d/626f8f2510c44c5bb692b55bf90c7535 [2021-11-19 14:28:17,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:28:17,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:28:17,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:28:17,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:28:17,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:28:17,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:28:17" (1/1) ... [2021-11-19 14:28:17,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a100efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:28:17, skipping insertion in model container [2021-11-19 14:28:17,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:28:17" (1/1) ... [2021-11-19 14:28:17,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:28:17,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:28:18,298 WARN L230 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_58fde600-0d6e-4f3b-bf23-d02eded68ce0/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c[65523,65536] [2021-11-19 14:28:18,321 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:28:18,361 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:28:18,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:28:18,553 WARN L230 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_58fde600-0d6e-4f3b-bf23-d02eded68ce0/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c[65523,65536] [2021-11-19 14:28:18,556 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:28:18,566 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:28:18,662 WARN L230 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_58fde600-0d6e-4f3b-bf23-d02eded68ce0/sv-benchmarks/c/openssl/s3_clnt.blast.01.i.cil-1.c[65523,65536] [2021-11-19 14:28:18,666 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:28:18,691 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:28:18,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:28:18 WrapperNode [2021-11-19 14:28:18,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:28:18,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:28:18,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:28:18,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:28:18,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:28:18" (1/1) ... [2021-11-19 14:28:18,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:28:18" (1/1) ... [2021-11-19 14:28:18,838 INFO L137 Inliner]: procedures = 36, calls = 217, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 693 [2021-11-19 14:28:18,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:28:18,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:28:18,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:28:18,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:28:18,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:28:18" (1/1) ... [2021-11-19 14:28:18,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:28:18" (1/1) ... [2021-11-19 14:28:18,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:28:18" (1/1) ... [2021-11-19 14:28:18,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:28:18" (1/1) ... [2021-11-19 14:28:18,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:28:18" (1/1) ... [2021-11-19 14:28:18,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:28:18" (1/1) ... [2021-11-19 14:28:18,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:28:18" (1/1) ... [2021-11-19 14:28:18,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:28:18,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:28:18,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:28:18,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:28:18,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:28:18" (1/1) ... [2021-11-19 14:28:18,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:28:19,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:28:19,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:28:19,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:28:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:28:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:28:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:28:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:28:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:28:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:28:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:28:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:28:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:28:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:28:19,344 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:28:19,346 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:28:19,364 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 14:28:28,819 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-19 14:28:28,819 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-19 14:28:28,819 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:28:28,829 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:28:28,829 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 14:28:28,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:28:28 BoogieIcfgContainer [2021-11-19 14:28:28,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:28:28,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:28:28,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:28:28,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:28:28,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:28:17" (1/3) ... [2021-11-19 14:28:28,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7cab27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:28:28, skipping insertion in model container [2021-11-19 14:28:28,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:28:18" (2/3) ... [2021-11-19 14:28:28,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7cab27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:28:28, skipping insertion in model container [2021-11-19 14:28:28,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:28:28" (3/3) ... [2021-11-19 14:28:28,841 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.01.i.cil-1.c [2021-11-19 14:28:28,847 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:28:28,848 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:28:28,904 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:28:28,910 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:28:28,911 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:28:28,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 129 states have (on average 1.689922480620155) internal successors, (218), 130 states have internal predecessors, (218), 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) [2021-11-19 14:28:28,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 14:28:28,943 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:28:28,944 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:28:28,944 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:28:28,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:28:28,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1457703966, now seen corresponding path program 1 times [2021-11-19 14:28:28,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:28:28,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [870854304] [2021-11-19 14:28:28,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:28:28,965 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:28:28,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:28:28,981 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:28:28,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:28:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:28:29,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:28:29,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:28:29,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:28:29,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:28:29,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:28:29,757 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:28:29,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [870854304] [2021-11-19 14:28:29,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [870854304] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:28:29,758 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:28:29,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:28:29,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737993079] [2021-11-19 14:28:29,761 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:28:29,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:28:29,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:28:29,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:28:29,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:28:29,799 INFO L87 Difference]: Start difference. First operand has 131 states, 129 states have (on average 1.689922480620155) internal successors, (218), 130 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2021-11-19 14:28:30,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:28:30,052 INFO L93 Difference]: Finished difference Result 496 states and 829 transitions. [2021-11-19 14:28:30,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:28:30,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 24 [2021-11-19 14:28:30,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:28:30,068 INFO L225 Difference]: With dead ends: 496 [2021-11-19 14:28:30,068 INFO L226 Difference]: Without dead ends: 321 [2021-11-19 14:28:30,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:28:30,076 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 361 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:28:30,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [361 Valid, 588 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:28:30,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-11-19 14:28:30,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2021-11-19 14:28:30,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 320 states have (on average 1.49375) internal successors, (478), 320 states have internal predecessors, (478), 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) [2021-11-19 14:28:30,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 478 transitions. [2021-11-19 14:28:30,156 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 478 transitions. Word has length 24 [2021-11-19 14:28:30,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:28:30,157 INFO L470 AbstractCegarLoop]: Abstraction has 321 states and 478 transitions. [2021-11-19 14:28:30,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2021-11-19 14:28:30,157 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 478 transitions. [2021-11-19 14:28:30,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-19 14:28:30,162 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:28:30,162 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:28:30,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:28:30,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:28:30,376 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:28:30,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:28:30,377 INFO L85 PathProgramCache]: Analyzing trace with hash 908084980, now seen corresponding path program 1 times [2021-11-19 14:28:30,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:28:30,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548963870] [2021-11-19 14:28:30,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:28:30,380 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:28:30,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:28:30,381 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:28:30,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:28:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:28:30,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:28:30,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:28:31,061 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:28:31,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:28:31,433 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:28:31,433 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:28:31,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548963870] [2021-11-19 14:28:31,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548963870] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:28:31,434 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:28:31,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:28:31,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46083280] [2021-11-19 14:28:31,435 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:28:31,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:28:31,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:28:31,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:28:31,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:28:31,438 INFO L87 Difference]: Start difference. First operand 321 states and 478 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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) [2021-11-19 14:28:33,468 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:28:33,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:28:33,649 INFO L93 Difference]: Finished difference Result 836 states and 1249 transitions. [2021-11-19 14:28:33,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:28:33,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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 65 [2021-11-19 14:28:33,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:28:33,658 INFO L225 Difference]: With dead ends: 836 [2021-11-19 14:28:33,658 INFO L226 Difference]: Without dead ends: 625 [2021-11-19 14:28:33,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:28:33,666 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 254 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:28:33,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 761 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 14:28:33,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2021-11-19 14:28:33,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 525. [2021-11-19 14:28:33,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 524 states have (on average 1.4866412213740459) internal successors, (779), 524 states have internal predecessors, (779), 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) [2021-11-19 14:28:33,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 779 transitions. [2021-11-19 14:28:33,743 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 779 transitions. Word has length 65 [2021-11-19 14:28:33,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:28:33,744 INFO L470 AbstractCegarLoop]: Abstraction has 525 states and 779 transitions. [2021-11-19 14:28:33,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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) [2021-11-19 14:28:33,749 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 779 transitions. [2021-11-19 14:28:33,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-19 14:28:33,767 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:28:33,767 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:28:33,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:28:33,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:28:33,978 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:28:33,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:28:33,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1159650437, now seen corresponding path program 1 times [2021-11-19 14:28:33,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:28:33,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [639811601] [2021-11-19 14:28:33,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:28:33,981 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:28:33,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:28:33,985 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:28:34,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:28:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:28:34,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:28:34,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:28:34,784 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:28:34,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:28:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:28:35,260 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:28:35,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [639811601] [2021-11-19 14:28:35,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [639811601] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:28:35,261 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:28:35,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:28:35,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570164188] [2021-11-19 14:28:35,261 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:28:35,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:28:35,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:28:35,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:28:35,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:28:35,263 INFO L87 Difference]: Start difference. First operand 525 states and 779 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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) [2021-11-19 14:28:37,290 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:28:37,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:28:37,476 INFO L93 Difference]: Finished difference Result 1248 states and 1856 transitions. [2021-11-19 14:28:37,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:28:37,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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 104 [2021-11-19 14:28:37,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:28:37,484 INFO L225 Difference]: With dead ends: 1248 [2021-11-19 14:28:37,485 INFO L226 Difference]: Without dead ends: 833 [2021-11-19 14:28:37,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:28:37,487 INFO L933 BasicCegarLoop]: 450 mSDtfsCounter, 263 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:28:37,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [263 Valid, 905 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 14:28:37,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2021-11-19 14:28:37,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 732. [2021-11-19 14:28:37,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 731 states have (on average 1.481532147742818) internal successors, (1083), 731 states have internal predecessors, (1083), 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) [2021-11-19 14:28:37,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1083 transitions. [2021-11-19 14:28:37,524 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1083 transitions. Word has length 104 [2021-11-19 14:28:37,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:28:37,524 INFO L470 AbstractCegarLoop]: Abstraction has 732 states and 1083 transitions. [2021-11-19 14:28:37,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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) [2021-11-19 14:28:37,525 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1083 transitions. [2021-11-19 14:28:37,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-19 14:28:37,528 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:28:37,529 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:28:37,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:28:37,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:28:37,744 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:28:37,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:28:37,745 INFO L85 PathProgramCache]: Analyzing trace with hash 876212838, now seen corresponding path program 1 times [2021-11-19 14:28:37,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:28:37,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1045555829] [2021-11-19 14:28:37,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:28:37,747 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:28:37,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:28:37,748 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:28:37,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fde600-0d6e-4f3b-bf23-d02eded68ce0/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:28:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:28:38,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:28:38,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:29:02,079 WARN L227 SmtUtils]: Spent 23.53s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 14:29:02,080 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:29:02,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 4938 treesize of output 4458 [2021-11-19 14:29:42,466 WARN L227 SmtUtils]: Spent 40.31s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 14:29:42,466 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:29:42,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 4439 treesize of output 4067