./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef75293aeb91e37969e4557310245e0c38a479cd .............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef75293aeb91e37969e4557310245e0c38a479cd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:54:19,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:54:19,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:54:19,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:54:19,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:54:19,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:54:19,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:54:19,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:54:19,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:54:19,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:54:19,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:54:19,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:54:19,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:54:19,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:54:19,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:54:19,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:54:19,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:54:19,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:54:19,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:54:19,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:54:19,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:54:19,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:54:19,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:54:19,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:54:19,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:54:19,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:54:19,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:54:19,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:54:19,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:54:19,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:54:19,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:54:19,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:54:19,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:54:19,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:54:19,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:54:19,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:54:19,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:54:19,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:54:19,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:54:19,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:54:19,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:54:19,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2020-11-30 01:54:19,734 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:54:19,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:54:19,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:54:19,737 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:54:19,737 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:54:19,737 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:54:19,737 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 01:54:19,738 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:54:19,738 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:54:19,738 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 01:54:19,739 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 01:54:19,739 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:54:19,739 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 01:54:19,739 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 01:54:19,740 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 01:54:19,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:54:19,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:54:19,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:54:19,741 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:54:19,742 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:54:19,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:54:19,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:54:19,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:54:19,743 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 01:54:19,743 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 01:54:19,743 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 01:54:19,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:54:19,744 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:54:19,744 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:54:19,744 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:54:19,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:54:19,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:54:19,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:54:19,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:54:19,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:54:19,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:54:19,746 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 01:54:19,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:54:19,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:54:19,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:54:19,747 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-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef75293aeb91e37969e4557310245e0c38a479cd [2020-11-30 01:54:20,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:54:20,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:54:20,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:54:20,125 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:54:20,126 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:54:20,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2020-11-30 01:54:20,254 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/data/e24ea6be0/be210a31e7d14eda8b6999cd43467e5f/FLAG0bfa64564 [2020-11-30 01:54:20,921 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:54:20,922 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2020-11-30 01:54:20,936 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/data/e24ea6be0/be210a31e7d14eda8b6999cd43467e5f/FLAG0bfa64564 [2020-11-30 01:54:21,163 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/data/e24ea6be0/be210a31e7d14eda8b6999cd43467e5f [2020-11-30 01:54:21,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:54:21,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:54:21,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:54:21,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:54:21,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:54:21,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:54:21" (1/1) ... [2020-11-30 01:54:21,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62204ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:54:21, skipping insertion in model container [2020-11-30 01:54:21,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:54:21" (1/1) ... [2020-11-30 01:54:21,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:54:21,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:54:21,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:54:21,661 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) [2020-11-30 01:54:21,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a21e38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:54:21, skipping insertion in model container [2020-11-30 01:54:21,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:54:21,662 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 01:54:21,665 INFO L168 Benchmark]: Toolchain (without parser) took 495.71 ms. Allocated memory is still 92.3 MB. Free memory was 61.1 MB in the beginning and 69.6 MB in the end (delta: -8.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:54:21,666 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 92.3 MB. Free memory was 51.1 MB in the beginning and 51.1 MB in the end (delta: 38.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:54:21,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.85 ms. Allocated memory is still 92.3 MB. Free memory was 60.9 MB in the beginning and 69.6 MB in the end (delta: -8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:54:21,669 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 92.3 MB. Free memory was 51.1 MB in the beginning and 51.1 MB in the end (delta: 38.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 492.85 ms. Allocated memory is still 92.3 MB. Free memory was 60.9 MB in the beginning and 69.6 MB in the end (delta: -8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 515]: 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:54:24,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:54:24,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:54:24,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:54:24,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:54:24,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:54:24,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:54:24,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:54:24,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:54:24,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:54:24,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:54:24,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:54:24,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:54:24,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:54:24,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:54:24,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:54:24,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:54:24,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:54:24,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:54:24,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:54:24,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:54:24,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:54:24,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:54:24,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:54:24,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:54:24,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:54:24,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:54:24,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:54:24,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:54:24,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:54:24,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:54:24,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:54:24,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:54:24,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:54:24,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:54:24,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:54:24,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:54:24,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:54:24,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:54:24,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:54:24,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:54:24,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2020-11-30 01:54:24,664 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:54:24,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:54:24,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:54:24,668 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:54:24,668 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:54:24,669 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:54:24,669 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:54:24,669 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:54:24,670 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:54:24,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:54:24,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:54:24,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:54:24,674 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:54:24,674 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:54:24,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:54:24,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:54:24,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:54:24,675 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 01:54:24,676 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 01:54:24,676 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 01:54:24,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:54:24,677 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:54:24,677 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:54:24,677 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:54:24,677 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:54:24,678 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:54:24,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:54:24,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:54:24,700 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:54:24,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:54:24,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:54:24,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:54:24,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:54:24,701 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 01:54:24,702 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:54:24,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:54:24,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:54:24,703 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-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef75293aeb91e37969e4557310245e0c38a479cd [2020-11-30 01:54:25,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:54:25,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:54:25,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:54:25,198 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:54:25,201 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:54:25,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2020-11-30 01:54:25,296 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/data/6741e0b40/f3ca793d60354ee38d5cbab490dd2d7d/FLAG42b322604 [2020-11-30 01:54:25,999 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:54:26,003 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2020-11-30 01:54:26,028 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/data/6741e0b40/f3ca793d60354ee38d5cbab490dd2d7d/FLAG42b322604 [2020-11-30 01:54:26,186 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/data/6741e0b40/f3ca793d60354ee38d5cbab490dd2d7d [2020-11-30 01:54:26,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:54:26,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:54:26,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:54:26,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:54:26,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:54:26,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:54:26" (1/1) ... [2020-11-30 01:54:26,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f74d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:54:26, skipping insertion in model container [2020-11-30 01:54:26,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:54:26" (1/1) ... [2020-11-30 01:54:26,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:54:26,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:54:26,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:54:26,823 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-30 01:54:26,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:54:26,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:54:26,946 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:54:27,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:54:27,111 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:54:27,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:54:27 WrapperNode [2020-11-30 01:54:27,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:54:27,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:54:27,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:54:27,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:54:27,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:54:27" (1/1) ... [2020-11-30 01:54:27,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:54:27" (1/1) ... [2020-11-30 01:54:27,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:54:27,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:54:27,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:54:27,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:54:27,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:54:27" (1/1) ... [2020-11-30 01:54:27,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:54:27" (1/1) ... [2020-11-30 01:54:27,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:54:27" (1/1) ... [2020-11-30 01:54:27,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:54:27" (1/1) ... [2020-11-30 01:54:27,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:54:27" (1/1) ... [2020-11-30 01:54:27,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:54:27" (1/1) ... [2020-11-30 01:54:27,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:54:27" (1/1) ... [2020-11-30 01:54:27,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:54:27,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:54:27,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:54:27,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:54:27,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:54:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:54:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 01:54:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:54:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 01:54:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:54:27,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:54:27,972 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:54:27,973 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:54:27,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:54:27 BoogieIcfgContainer [2020-11-30 01:54:27,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:54:27,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:54:27,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:54:27,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:54:27,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:54:26" (1/3) ... [2020-11-30 01:54:27,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52faa708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:54:27, skipping insertion in model container [2020-11-30 01:54:27,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:54:27" (2/3) ... [2020-11-30 01:54:27,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52faa708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:54:27, skipping insertion in model container [2020-11-30 01:54:27,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:54:27" (3/3) ... [2020-11-30 01:54:27,991 INFO L111 eAbstractionObserver]: Analyzing ICFG array-realloc-1.i [2020-11-30 01:54:28,006 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:54:28,012 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2020-11-30 01:54:28,028 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-11-30 01:54:28,072 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:54:28,072 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-30 01:54:28,072 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:54:28,073 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:54:28,073 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:54:28,073 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:54:28,073 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:54:28,073 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:54:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-11-30 01:54:28,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 01:54:28,097 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:54:28,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-30 01:54:28,098 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-30 01:54:28,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:54:28,105 INFO L82 PathProgramCache]: Analyzing trace with hash 925656, now seen corresponding path program 1 times [2020-11-30 01:54:28,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:54:28,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [603600394] [2020-11-30 01:54:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 01:54:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:54:28,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:54:28,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:54:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:28,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:54:28,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:28,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [603600394] [2020-11-30 01:54:28,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:54:28,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 01:54:28,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220082948] [2020-11-30 01:54:28,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:54:28,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:54:28,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:54:28,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:54:28,344 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2020-11-30 01:54:28,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:54:28,469 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2020-11-30 01:54:28,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:54:28,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-30 01:54:28,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:54:28,480 INFO L225 Difference]: With dead ends: 31 [2020-11-30 01:54:28,480 INFO L226 Difference]: Without dead ends: 28 [2020-11-30 01:54:28,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:54:28,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-11-30 01:54:28,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-11-30 01:54:28,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-11-30 01:54:28,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2020-11-30 01:54:28,517 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 4 [2020-11-30 01:54:28,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:54:28,518 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2020-11-30 01:54:28,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:54:28,518 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2020-11-30 01:54:28,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-30 01:54:28,519 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:54:28,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-30 01:54:28,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 01:54:28,732 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-30 01:54:28,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:54:28,733 INFO L82 PathProgramCache]: Analyzing trace with hash 28695828, now seen corresponding path program 1 times [2020-11-30 01:54:28,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:54:28,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [501070797] [2020-11-30 01:54:28,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 01:54:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:54:28,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:54:28,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:54:28,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:28,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:54:28,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:28,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [501070797] [2020-11-30 01:54:28,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:54:28,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-30 01:54:28,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419065139] [2020-11-30 01:54:28,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:54:28,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:54:28,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:54:28,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:54:28,860 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 3 states. [2020-11-30 01:54:28,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:54:28,892 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2020-11-30 01:54:28,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:54:28,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-30 01:54:28,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:54:28,894 INFO L225 Difference]: With dead ends: 28 [2020-11-30 01:54:28,894 INFO L226 Difference]: Without dead ends: 28 [2020-11-30 01:54:28,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:54:28,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-11-30 01:54:28,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-11-30 01:54:28,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-11-30 01:54:28,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2020-11-30 01:54:28,900 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 5 [2020-11-30 01:54:28,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:54:28,900 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2020-11-30 01:54:28,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:54:28,901 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2020-11-30 01:54:28,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 01:54:28,901 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:54:28,901 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:54:29,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 01:54:29,103 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-30 01:54:29,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:54:29,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1806910252, now seen corresponding path program 1 times [2020-11-30 01:54:29,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:54:29,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [697243283] [2020-11-30 01:54:29,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 01:54:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:54:29,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:54:29,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:54:29,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:29,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:54:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:29,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [697243283] [2020-11-30 01:54:29,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:54:29,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-30 01:54:29,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650288694] [2020-11-30 01:54:29,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:54:29,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:54:29,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:54:29,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:54:29,247 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 3 states. [2020-11-30 01:54:29,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:54:29,328 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2020-11-30 01:54:29,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:54:29,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-11-30 01:54:29,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:54:29,330 INFO L225 Difference]: With dead ends: 42 [2020-11-30 01:54:29,331 INFO L226 Difference]: Without dead ends: 42 [2020-11-30 01:54:29,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:54:29,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-11-30 01:54:29,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 30. [2020-11-30 01:54:29,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-30 01:54:29,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2020-11-30 01:54:29,338 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 7 [2020-11-30 01:54:29,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:54:29,338 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2020-11-30 01:54:29,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:54:29,338 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-11-30 01:54:29,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 01:54:29,339 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:54:29,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:54:29,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 01:54:29,540 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-30 01:54:29,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:54:29,541 INFO L82 PathProgramCache]: Analyzing trace with hash 179688781, now seen corresponding path program 1 times [2020-11-30 01:54:29,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:54:29,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251142091] [2020-11-30 01:54:29,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-30 01:54:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:54:29,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 01:54:29,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:54:29,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:29,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:54:29,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:29,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1251142091] [2020-11-30 01:54:29,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:54:29,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-30 01:54:29,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254443087] [2020-11-30 01:54:29,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:54:29,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:54:29,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:54:29,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:54:29,726 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 5 states. [2020-11-30 01:54:29,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:54:29,908 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2020-11-30 01:54:29,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:54:29,910 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-11-30 01:54:29,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:54:29,911 INFO L225 Difference]: With dead ends: 64 [2020-11-30 01:54:29,911 INFO L226 Difference]: Without dead ends: 64 [2020-11-30 01:54:29,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:54:29,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-11-30 01:54:29,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 31. [2020-11-30 01:54:29,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-30 01:54:29,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2020-11-30 01:54:29,919 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 8 [2020-11-30 01:54:29,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:54:29,919 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2020-11-30 01:54:29,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:54:29,920 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2020-11-30 01:54:29,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 01:54:29,920 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:54:29,920 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:54:30,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 01:54:30,137 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-30 01:54:30,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:54:30,137 INFO L82 PathProgramCache]: Analyzing trace with hash 179690703, now seen corresponding path program 1 times [2020-11-30 01:54:30,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:54:30,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1209456454] [2020-11-30 01:54:30,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-30 01:54:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:54:30,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:54:30,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:54:30,313 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:54:30,314 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2020-11-30 01:54:30,315 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:54:30,355 INFO L625 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2020-11-30 01:54:30,366 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:54:30,366 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:5 [2020-11-30 01:54:30,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:30,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:54:30,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:30,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1209456454] [2020-11-30 01:54:30,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:54:30,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-30 01:54:30,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420182185] [2020-11-30 01:54:30,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:54:30,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:54:30,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:54:30,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:54:30,396 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand 4 states. [2020-11-30 01:54:30,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:54:30,582 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2020-11-30 01:54:30,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:54:30,583 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-11-30 01:54:30,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:54:30,584 INFO L225 Difference]: With dead ends: 38 [2020-11-30 01:54:30,584 INFO L226 Difference]: Without dead ends: 38 [2020-11-30 01:54:30,584 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:54:30,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-11-30 01:54:30,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 29. [2020-11-30 01:54:30,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-30 01:54:30,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2020-11-30 01:54:30,589 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 8 [2020-11-30 01:54:30,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:54:30,589 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2020-11-30 01:54:30,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:54:30,589 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2020-11-30 01:54:30,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 01:54:30,590 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:54:30,590 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:54:30,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-30 01:54:30,803 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-30 01:54:30,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:54:30,805 INFO L82 PathProgramCache]: Analyzing trace with hash 179690704, now seen corresponding path program 1 times [2020-11-30 01:54:30,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:54:30,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [499057742] [2020-11-30 01:54:30,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-30 01:54:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:54:30,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:54:30,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:54:31,030 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2020-11-30 01:54:31,030 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:54:31,050 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:54:31,051 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:54:31,051 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2020-11-30 01:54:31,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:31,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:54:31,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:31,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [499057742] [2020-11-30 01:54:31,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:54:31,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-11-30 01:54:31,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117955078] [2020-11-30 01:54:31,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-30 01:54:31,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:54:31,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-30 01:54:31,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-11-30 01:54:31,600 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 10 states. [2020-11-30 01:54:32,485 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-11-30 01:54:32,997 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-11-30 01:54:33,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:54:33,405 INFO L93 Difference]: Finished difference Result 100 states and 107 transitions. [2020-11-30 01:54:33,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-30 01:54:33,407 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 8 [2020-11-30 01:54:33,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:54:33,408 INFO L225 Difference]: With dead ends: 100 [2020-11-30 01:54:33,409 INFO L226 Difference]: Without dead ends: 100 [2020-11-30 01:54:33,410 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-11-30 01:54:33,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-11-30 01:54:33,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 43. [2020-11-30 01:54:33,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-11-30 01:54:33,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2020-11-30 01:54:33,418 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 8 [2020-11-30 01:54:33,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:54:33,418 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2020-11-30 01:54:33,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-30 01:54:33,418 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2020-11-30 01:54:33,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 01:54:33,419 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:54:33,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:54:33,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-30 01:54:33,638 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-30 01:54:33,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:54:33,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1274213166, now seen corresponding path program 1 times [2020-11-30 01:54:33,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:54:33,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360781892] [2020-11-30 01:54:33,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-30 01:54:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:54:33,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:54:33,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:54:33,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:33,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:54:33,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:33,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1360781892] [2020-11-30 01:54:33,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:54:33,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 01:54:33,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406312288] [2020-11-30 01:54:33,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:54:33,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:54:33,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:54:33,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:54:33,754 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand 3 states. [2020-11-30 01:54:33,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:54:33,773 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2020-11-30 01:54:33,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:54:33,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-30 01:54:33,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:54:33,776 INFO L225 Difference]: With dead ends: 42 [2020-11-30 01:54:33,776 INFO L226 Difference]: Without dead ends: 42 [2020-11-30 01:54:33,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:54:33,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-11-30 01:54:33,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-11-30 01:54:33,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-11-30 01:54:33,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2020-11-30 01:54:33,781 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 9 [2020-11-30 01:54:33,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:54:33,782 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2020-11-30 01:54:33,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:54:33,782 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2020-11-30 01:54:33,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 01:54:33,783 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:54:33,783 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:54:33,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-30 01:54:33,996 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-30 01:54:33,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:54:33,997 INFO L82 PathProgramCache]: Analyzing trace with hash 845902566, now seen corresponding path program 1 times [2020-11-30 01:54:33,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:54:33,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082749995] [2020-11-30 01:54:33,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-11-30 01:54:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:54:34,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 01:54:34,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:54:34,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:34,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:54:34,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:34,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082749995] [2020-11-30 01:54:34,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:54:34,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2020-11-30 01:54:34,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588090098] [2020-11-30 01:54:34,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:54:34,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:54:34,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:54:34,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:54:34,191 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand 5 states. [2020-11-30 01:54:34,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:54:34,229 INFO L93 Difference]: Finished difference Result 41 states and 49 transitions. [2020-11-30 01:54:34,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:54:34,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-11-30 01:54:34,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:54:34,233 INFO L225 Difference]: With dead ends: 41 [2020-11-30 01:54:34,233 INFO L226 Difference]: Without dead ends: 41 [2020-11-30 01:54:34,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:54:34,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-11-30 01:54:34,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-11-30 01:54:34,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-11-30 01:54:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2020-11-30 01:54:34,239 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 10 [2020-11-30 01:54:34,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:54:34,239 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2020-11-30 01:54:34,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:54:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-11-30 01:54:34,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 01:54:34,240 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:54:34,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:54:34,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-30 01:54:34,441 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-30 01:54:34,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:54:34,442 INFO L82 PathProgramCache]: Analyzing trace with hash 453175856, now seen corresponding path program 1 times [2020-11-30 01:54:34,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:54:34,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727920813] [2020-11-30 01:54:34,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-11-30 01:54:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:54:34,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:54:34,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:54:34,530 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-30 01:54:34,531 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:54:34,535 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:54:34,535 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:54:34,536 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-30 01:54:34,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:34,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:54:34,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:34,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [727920813] [2020-11-30 01:54:34,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:54:34,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 01:54:34,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092877156] [2020-11-30 01:54:34,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:54:34,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:54:34,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:54:34,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:54:34,563 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 3 states. [2020-11-30 01:54:34,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:54:34,621 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2020-11-30 01:54:34,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:54:34,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-11-30 01:54:34,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:54:34,623 INFO L225 Difference]: With dead ends: 46 [2020-11-30 01:54:34,623 INFO L226 Difference]: Without dead ends: 46 [2020-11-30 01:54:34,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:54:34,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-11-30 01:54:34,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-11-30 01:54:34,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-30 01:54:34,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2020-11-30 01:54:34,635 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 11 [2020-11-30 01:54:34,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:54:34,635 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2020-11-30 01:54:34,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:54:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2020-11-30 01:54:34,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:54:34,637 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:54:34,637 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:54:34,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-11-30 01:54:34,838 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-30 01:54:34,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:54:34,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1163549737, now seen corresponding path program 1 times [2020-11-30 01:54:34,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:54:34,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [524817814] [2020-11-30 01:54:34,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-11-30 01:54:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:54:34,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:54:34,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:54:34,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:34,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:54:35,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:35,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [524817814] [2020-11-30 01:54:35,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:54:35,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-30 01:54:35,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43009709] [2020-11-30 01:54:35,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:54:35,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:54:35,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:54:35,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:54:35,020 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand 6 states. [2020-11-30 01:54:35,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:54:35,076 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2020-11-30 01:54:35,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:54:35,078 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-11-30 01:54:35,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:54:35,078 INFO L225 Difference]: With dead ends: 40 [2020-11-30 01:54:35,078 INFO L226 Difference]: Without dead ends: 40 [2020-11-30 01:54:35,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:54:35,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-11-30 01:54:35,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-11-30 01:54:35,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-30 01:54:35,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2020-11-30 01:54:35,083 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 12 [2020-11-30 01:54:35,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:54:35,084 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2020-11-30 01:54:35,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:54:35,084 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2020-11-30 01:54:35,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:54:35,084 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:54:35,085 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:54:35,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-11-30 01:54:35,286 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-30 01:54:35,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:54:35,287 INFO L82 PathProgramCache]: Analyzing trace with hash 702945990, now seen corresponding path program 1 times [2020-11-30 01:54:35,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:54:35,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [691438093] [2020-11-30 01:54:35,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-11-30 01:54:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:54:35,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 01:54:35,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:54:35,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:35,577 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:54:35,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:35,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [691438093] [2020-11-30 01:54:35,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:54:35,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 3] imperfect sequences [] total 7 [2020-11-30 01:54:35,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025346670] [2020-11-30 01:54:35,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 01:54:35,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:54:35,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 01:54:35,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:54:35,620 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand 8 states. [2020-11-30 01:54:35,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:54:35,767 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2020-11-30 01:54:35,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:54:35,769 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-11-30 01:54:35,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:54:35,770 INFO L225 Difference]: With dead ends: 39 [2020-11-30 01:54:35,770 INFO L226 Difference]: Without dead ends: 39 [2020-11-30 01:54:35,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-11-30 01:54:35,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-11-30 01:54:35,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-11-30 01:54:35,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-30 01:54:35,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2020-11-30 01:54:35,775 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 13 [2020-11-30 01:54:35,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:54:35,775 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2020-11-30 01:54:35,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 01:54:35,775 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2020-11-30 01:54:35,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:54:35,776 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:54:35,776 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:54:35,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-11-30 01:54:35,977 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-30 01:54:35,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:54:35,977 INFO L82 PathProgramCache]: Analyzing trace with hash -559806010, now seen corresponding path program 1 times [2020-11-30 01:54:35,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:54:35,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132192251] [2020-11-30 01:54:35,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-11-30 01:54:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:54:36,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:54:36,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:54:36,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:36,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:54:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:36,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132192251] [2020-11-30 01:54:36,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:54:36,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-30 01:54:36,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749050888] [2020-11-30 01:54:36,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:54:36,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:54:36,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:54:36,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:54:36,094 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand 4 states. [2020-11-30 01:54:36,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:54:36,179 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2020-11-30 01:54:36,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:54:36,181 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-11-30 01:54:36,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:54:36,181 INFO L225 Difference]: With dead ends: 39 [2020-11-30 01:54:36,181 INFO L226 Difference]: Without dead ends: 39 [2020-11-30 01:54:36,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:54:36,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-11-30 01:54:36,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-11-30 01:54:36,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-30 01:54:36,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2020-11-30 01:54:36,185 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 16 [2020-11-30 01:54:36,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:54:36,186 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2020-11-30 01:54:36,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:54:36,186 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2020-11-30 01:54:36,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:54:36,187 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:54:36,187 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:54:36,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2020-11-30 01:54:36,405 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-30 01:54:36,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:54:36,405 INFO L82 PathProgramCache]: Analyzing trace with hash 373684842, now seen corresponding path program 1 times [2020-11-30 01:54:36,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:54:36,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1374882988] [2020-11-30 01:54:36,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-11-30 01:54:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:54:36,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 01:54:36,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:54:36,564 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:36,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:54:36,569 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:54:36,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1374882988] [2020-11-30 01:54:36,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:54:36,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2020-11-30 01:54:36,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169600397] [2020-11-30 01:54:36,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:54:36,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:54:36,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:54:36,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:54:36,575 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand 6 states. [2020-11-30 01:54:36,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:54:36,778 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2020-11-30 01:54:36,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:54:36,779 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-11-30 01:54:36,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:54:36,780 INFO L225 Difference]: With dead ends: 49 [2020-11-30 01:54:36,780 INFO L226 Difference]: Without dead ends: 49 [2020-11-30 01:54:36,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-11-30 01:54:36,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-30 01:54:36,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 39. [2020-11-30 01:54:36,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-30 01:54:36,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2020-11-30 01:54:36,784 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 17 [2020-11-30 01:54:36,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:54:36,784 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2020-11-30 01:54:36,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:54:36,784 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2020-11-30 01:54:36,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:54:36,785 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:54:36,785 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:54:36,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2020-11-30 01:54:36,996 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-30 01:54:36,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:54:36,996 INFO L82 PathProgramCache]: Analyzing trace with hash -2146275092, now seen corresponding path program 1 times [2020-11-30 01:54:36,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:54:36,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1345672992] [2020-11-30 01:54:36,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2020-11-30 01:54:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:54:37,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:54:37,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:54:37,106 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:54:37,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:54:37,108 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:54:37,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1345672992] [2020-11-30 01:54:37,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:54:37,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-30 01:54:37,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106047351] [2020-11-30 01:54:37,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:54:37,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:54:37,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:54:37,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:54:37,110 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 4 states. [2020-11-30 01:54:37,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:54:37,163 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2020-11-30 01:54:37,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:54:37,164 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-30 01:54:37,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:54:37,165 INFO L225 Difference]: With dead ends: 38 [2020-11-30 01:54:37,165 INFO L226 Difference]: Without dead ends: 38 [2020-11-30 01:54:37,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:54:37,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-11-30 01:54:37,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2020-11-30 01:54:37,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-11-30 01:54:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2020-11-30 01:54:37,168 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 17 [2020-11-30 01:54:37,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:54:37,169 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2020-11-30 01:54:37,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:54:37,169 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2020-11-30 01:54:37,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:54:37,170 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:54:37,170 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:54:37,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2020-11-30 01:54:37,380 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_FREE]=== [2020-11-30 01:54:37,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:54:37,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1949553038, now seen corresponding path program 1 times [2020-11-30 01:54:37,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:54:37,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60055314] [2020-11-30 01:54:37,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2020-11-30 01:54:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:54:37,493 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:54:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:54:37,536 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:54:37,581 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-30 01:54:37,581 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:54:37,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2020-11-30 01:54:37,810 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,811 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,811 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,812 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,812 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,813 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,813 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,813 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,814 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,814 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,815 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,815 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,815 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,816 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,816 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,817 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,817 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,817 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,818 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,818 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,818 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,819 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,819 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,820 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,820 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,820 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,821 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,821 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,821 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,822 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,822 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,823 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,823 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,823 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,823 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,824 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,824 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,825 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,825 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,825 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,825 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,826 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,826 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,826 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,827 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,827 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,827 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,828 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,828 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,828 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,829 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,829 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,829 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,829 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,830 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,830 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,830 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,831 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:54:37 BoogieIcfgContainer [2020-11-30 01:54:37,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:54:37,878 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:54:37,878 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:54:37,879 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:54:37,879 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:54:27" (3/4) ... [2020-11-30 01:54:37,881 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 01:54:37,885 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,886 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,886 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,889 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,889 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,890 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,892 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,893 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,893 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,893 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,894 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,894 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,894 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,894 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,895 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,895 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,895 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,895 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,895 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,896 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,896 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,896 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,896 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,897 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,897 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,897 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,897 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,898 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,898 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,898 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,899 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,899 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,899 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,899 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,900 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,900 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,900 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,900 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,904 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,905 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,905 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,905 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,905 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,906 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,906 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,906 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,906 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,907 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,907 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,907 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,907 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,908 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,908 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,908 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,908 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,908 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,909 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-11-30 01:54:37,909 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-11-30 01:54:37,979 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8f495dd9-0c6a-424f-bb76-8edd9ba3ae7b/bin/utaipan/witness.graphml [2020-11-30 01:54:37,980 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:54:37,981 INFO L168 Benchmark]: Toolchain (without parser) took 11787.84 ms. Allocated memory was 62.9 MB in the beginning and 100.7 MB in the end (delta: 37.7 MB). Free memory was 42.4 MB in the beginning and 63.7 MB in the end (delta: -21.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:54:37,982 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 62.9 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:54:37,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 915.31 ms. Allocated memory is still 62.9 MB. Free memory was 42.2 MB in the beginning and 34.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:54:37,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.82 ms. Allocated memory is still 62.9 MB. Free memory was 34.5 MB in the beginning and 32.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:54:37,983 INFO L168 Benchmark]: Boogie Preprocessor took 65.05 ms. Allocated memory is still 62.9 MB. Free memory was 32.6 MB in the beginning and 31.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:54:37,985 INFO L168 Benchmark]: RCFGBuilder took 707.45 ms. Allocated memory is still 62.9 MB. Free memory was 31.1 MB in the beginning and 34.3 MB in the end (delta: -3.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:54:37,986 INFO L168 Benchmark]: TraceAbstraction took 9898.55 ms. Allocated memory was 62.9 MB in the beginning and 100.7 MB in the end (delta: 37.7 MB). Free memory was 33.7 MB in the beginning and 69.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:54:37,986 INFO L168 Benchmark]: Witness Printer took 101.70 ms. Allocated memory is still 100.7 MB. Free memory was 69.0 MB in the beginning and 63.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:54:37,989 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 62.9 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 915.31 ms. Allocated memory is still 62.9 MB. Free memory was 42.2 MB in the beginning and 34.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.82 ms. Allocated memory is still 62.9 MB. Free memory was 34.5 MB in the beginning and 32.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.05 ms. Allocated memory is still 62.9 MB. Free memory was 32.6 MB in the beginning and 31.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 707.45 ms. Allocated memory is still 62.9 MB. Free memory was 31.1 MB in the beginning and 34.3 MB in the end (delta: -3.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9898.55 ms. Allocated memory was 62.9 MB in the beginning and 100.7 MB in the end (delta: 37.7 MB). Free memory was 33.7 MB in the beginning and 69.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. * Witness Printer took 101.70 ms. Allocated memory is still 100.7 MB. Free memory was 69.0 MB in the beginning and 63.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 538]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L512] int num; [L513] int ind, newsize, i = 1; VAL [i=1, ind=0, newsize=0, num=0] [L528] num = __VERIFIER_nondet_int() [L529] COND FALSE !(!(num > 0 && num < 100)) [L532] int *a = (int *)malloc(sizeof(int)); VAL [i=1, ind=0, newsize=0, num=1] [L533] COND FALSE !(a == ((void *)0)) [L536] newsize = 0 [L515] int *a = (int *)arg; [L516] int *b = ((void *)0); VAL [i=1, ind=0, newsize=0, num=1] [L517] COND TRUE newsize < num [L518] newsize = newsize + 1 [L519] b = realloc(a, sizeof(int) * newsize) [L520] b[newsize - 1] = i VAL [i=1, ind=0, newsize=1, num=1] [L521] a = b VAL [i=1, ind=0, newsize=1, num=1] [L517] COND FALSE !(newsize < num) VAL [i=1, ind=0, newsize=1, num=1] [L523] COND TRUE b != ((void *)0) VAL [i=1, ind=0, newsize=1, num=1] [L524] free(b) VAL [i=1, ind=0, newsize=1, num=1] [L524] free(b) VAL [i=1, ind=0, newsize=1, num=1] [L524] free(b) [L525] return 0; VAL [i=1, ind=0, newsize=1, num=1] [L538] free(a) VAL [i=1, ind=0, newsize=1, num=1] [L538] free(a) VAL [i=1, ind=0, newsize=1, num=1] [L538] free(a) VAL [i=1, ind=0, newsize=1, num=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.7s, OverallIterations: 15, TraceHistogramMax: 2, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 331 SDtfs, 712 SDslu, 297 SDs, 0 SdLazy, 356 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 281 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 123 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 262 ConstructedInterpolants, 10 QuantifiedInterpolants, 8900 SizeOfPredicates, 28 NumberOfNonLiveVariables, 749 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 PerfectInterpolantSequences, 32/32 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 proved your program to be incorrect! Received shutdown request...