./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8 --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 60a24c4f5e174a9ae46b1f077c5e18d0598bd760 ............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8 --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 60a24c4f5e174a9ae46b1f077c5e18d0598bd760 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:56:44,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:56:44,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:56:44,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:56:44,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:56:44,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:56:44,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:56:44,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:56:44,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:56:44,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:56:44,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:56:44,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:56:44,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:56:44,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:56:44,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:56:44,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:56:44,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:56:44,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:56:44,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:56:44,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:56:44,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:56:44,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:56:44,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:56:44,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:56:44,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:56:44,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:56:44,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:56:44,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:56:44,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:56:44,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:56:44,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:56:44,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:56:44,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:56:44,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:56:44,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:56:44,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:56:44,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:56:44,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:56:44,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:56:44,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:56:44,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:56:44,627 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-13 06:56:44,686 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:56:44,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:56:44,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:56:44,688 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:56:44,689 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:56:44,689 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:56:44,689 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:56:44,689 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:56:44,690 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:56:44,690 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:56:44,690 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:56:44,691 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:56:44,691 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:56:44,691 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:56:44,692 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:56:44,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 06:56:44,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 06:56:44,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:56:44,693 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:56:44,694 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 06:56:44,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:56:44,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:56:44,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:56:44,695 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 06:56:44,695 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 06:56:44,695 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 06:56:44,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:56:44,696 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:56:44,696 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:56:44,697 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:56:44,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:56:44,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:56:44,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:56:44,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:56:44,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:56:44,699 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:56:44,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:56:44,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:56:44,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:56:44,700 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60a24c4f5e174a9ae46b1f077c5e18d0598bd760 [2021-10-13 06:56:45,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:56:45,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:56:45,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:56:45,141 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:56:45,142 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:56:45,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2021-10-13 06:56:45,243 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/data/07e5f5a09/8d90651418c0481dae401da84f9c5193/FLAG9a9f179a5 [2021-10-13 06:56:46,055 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:56:46,056 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2021-10-13 06:56:46,087 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/data/07e5f5a09/8d90651418c0481dae401da84f9c5193/FLAG9a9f179a5 [2021-10-13 06:56:46,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/data/07e5f5a09/8d90651418c0481dae401da84f9c5193 [2021-10-13 06:56:46,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:56:46,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:56:46,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:56:46,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:56:46,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:56:46,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:56:46" (1/1) ... [2021-10-13 06:56:46,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d54bfd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:46, skipping insertion in model container [2021-10-13 06:56:46,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:56:46" (1/1) ... [2021-10-13 06:56:46,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:56:46,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:56:46,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:56:46,845 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 06:56:46,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@db460db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:46, skipping insertion in model container [2021-10-13 06:56:46,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:56:46,846 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 06:56:46,849 INFO L168 Benchmark]: Toolchain (without parser) took 538.85 ms. Allocated memory is still 121.6 MB. Free memory was 83.7 MB in the beginning and 94.0 MB in the end (delta: -10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 06:56:46,850 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 121.6 MB. Free memory was 91.9 MB in the beginning and 91.9 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:56:46,851 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.57 ms. Allocated memory is still 121.6 MB. Free memory was 83.5 MB in the beginning and 94.0 MB in the end (delta: -10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 06:56:46,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 121.6 MB. Free memory was 91.9 MB in the beginning and 91.9 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 535.57 ms. Allocated memory is still 121.6 MB. Free memory was 83.5 MB in the beginning and 94.0 MB in the end (delta: -10.4 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: 643]: 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 0.2.1-dev-4e77c04 [2021-10-13 06:56:49,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:56:49,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:56:49,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:56:49,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:56:49,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:56:49,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:56:49,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:56:49,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:56:49,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:56:49,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:56:49,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:56:49,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:56:49,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:56:49,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:56:49,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:56:49,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:56:49,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:56:49,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:56:49,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:56:49,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:56:49,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:56:49,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:56:49,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:56:49,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:56:49,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:56:49,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:56:49,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:56:49,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:56:49,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:56:49,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:56:49,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:56:49,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:56:49,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:56:49,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:56:49,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:56:49,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:56:49,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:56:49,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:56:49,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:56:49,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:56:49,944 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-13 06:56:50,002 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:56:50,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:56:50,004 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:56:50,004 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:56:50,004 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:56:50,005 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:56:50,005 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:56:50,005 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:56:50,006 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:56:50,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 06:56:50,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 06:56:50,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:56:50,010 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:56:50,010 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 06:56:50,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:56:50,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:56:50,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:56:50,011 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 06:56:50,012 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 06:56:50,012 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 06:56:50,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:56:50,012 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:56:50,013 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 06:56:50,013 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 06:56:50,013 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:56:50,014 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:56:50,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:56:50,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 06:56:50,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:56:50,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:56:50,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:56:50,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:56:50,016 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 06:56:50,016 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 06:56:50,017 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:56:50,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:56:50,017 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60a24c4f5e174a9ae46b1f077c5e18d0598bd760 [2021-10-13 06:56:50,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:56:50,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:56:50,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:56:50,386 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:56:50,387 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:56:50,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2021-10-13 06:56:50,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/data/9143216ba/dde969919a204cb4978f7b0890efb35b/FLAGa7a1ca509 [2021-10-13 06:56:51,074 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:56:51,075 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2021-10-13 06:56:51,093 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/data/9143216ba/dde969919a204cb4978f7b0890efb35b/FLAGa7a1ca509 [2021-10-13 06:56:51,378 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/data/9143216ba/dde969919a204cb4978f7b0890efb35b [2021-10-13 06:56:51,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:56:51,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:56:51,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:56:51,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:56:51,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:56:51,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:56:51" (1/1) ... [2021-10-13 06:56:51,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b52a6e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:51, skipping insertion in model container [2021-10-13 06:56:51,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:56:51" (1/1) ... [2021-10-13 06:56:51,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:56:51,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:56:51,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:56:51,830 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 06:56:51,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:56:51,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:56:51,880 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:56:51,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:56:52,002 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:56:52,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:52 WrapperNode [2021-10-13 06:56:52,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:56:52,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:56:52,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:56:52,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:56:52,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:52" (1/1) ... [2021-10-13 06:56:52,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:52" (1/1) ... [2021-10-13 06:56:52,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:56:52,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:56:52,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:56:52,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:56:52,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:52" (1/1) ... [2021-10-13 06:56:52,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:52" (1/1) ... [2021-10-13 06:56:52,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:52" (1/1) ... [2021-10-13 06:56:52,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:52" (1/1) ... [2021-10-13 06:56:52,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:52" (1/1) ... [2021-10-13 06:56:52,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:52" (1/1) ... [2021-10-13 06:56:52,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:52" (1/1) ... [2021-10-13 06:56:52,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:56:52,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:56:52,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:56:52,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:56:52,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:52" (1/1) ... [2021-10-13 06:56:52,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:56:52,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:56:52,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:56:52,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:56:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-13 06:56:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-13 06:56:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-10-13 06:56:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 06:56:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:56:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 06:56:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 06:56:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 06:56:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 06:56:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-10-13 06:56:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:56:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:56:52,680 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:56:52,680 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 06:56:52,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:56:52 BoogieIcfgContainer [2021-10-13 06:56:52,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:56:52,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:56:52,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:56:52,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:56:52,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:56:51" (1/3) ... [2021-10-13 06:56:52,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e55d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:56:52, skipping insertion in model container [2021-10-13 06:56:52,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:52" (2/3) ... [2021-10-13 06:56:52,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e55d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:56:52, skipping insertion in model container [2021-10-13 06:56:52,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:56:52" (3/3) ... [2021-10-13 06:56:52,690 INFO L111 eAbstractionObserver]: Analyzing ICFG test-memleak_nexttime.i [2021-10-13 06:56:52,695 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:56:52,696 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-10-13 06:56:52,743 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:56:52,750 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 06:56:52,750 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-10-13 06:56:52,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 23 states have (on average 1.7826086956521738) internal successors, (41), 37 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:56:52,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 06:56:52,798 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:56:52,798 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-13 06:56:52,799 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-13 06:56:52,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:56:52,804 INFO L82 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2021-10-13 06:56:52,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:56:52,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215164024] [2021-10-13 06:56:52,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:56:52,830 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:56:52,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:56:52,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:56:52,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 06:56:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:56:52,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:56:52,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:56:53,145 INFO L354 Elim1Store]: treesize reduction 77, result has 29.4 percent of original size [2021-10-13 06:56:53,146 INFO L388 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 3 case distinctions, treesize of input 15 treesize of output 37 [2021-10-13 06:56:53,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-13 06:56:53,591 INFO L354 Elim1Store]: treesize reduction 42, result has 33.3 percent of original size [2021-10-13 06:56:53,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 23 treesize of output 35 [2021-10-13 06:56:53,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:56:53,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:56:53,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2021-10-13 06:56:55,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:56:55,816 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:56:55,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1215164024] [2021-10-13 06:56:55,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1215164024] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:56:55,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:56:55,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-13 06:56:55,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539880474] [2021-10-13 06:56:55,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:56:55,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:56:55,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:56:55,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=18, Unknown=1, NotChecked=0, Total=30 [2021-10-13 06:56:55,861 INFO L87 Difference]: Start difference. First operand has 38 states, 23 states have (on average 1.7826086956521738) internal successors, (41), 37 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:56:56,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:56:56,182 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2021-10-13 06:56:56,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:56:56,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-10-13 06:56:56,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:56:56,192 INFO L225 Difference]: With dead ends: 36 [2021-10-13 06:56:56,192 INFO L226 Difference]: Without dead ends: 34 [2021-10-13 06:56:56,194 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2143.0ms TimeCoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2021-10-13 06:56:56,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-13 06:56:56,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-10-13 06:56:56,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.6818181818181819) internal successors, (37), 33 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:56:56,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2021-10-13 06:56:56,228 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 3 [2021-10-13 06:56:56,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:56:56,228 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2021-10-13 06:56:56,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:56:56,229 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2021-10-13 06:56:56,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 06:56:56,229 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:56:56,230 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-13 06:56:56,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-13 06:56:56,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:56:56,438 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-13 06:56:56,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:56:56,439 INFO L82 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2021-10-13 06:56:56,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:56:56,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425762402] [2021-10-13 06:56:56,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:56:56,440 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:56:56,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:56:56,447 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:56:56,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 06:56:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:56:56,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 06:56:56,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:56:56,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-13 06:56:56,549 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-13 06:56:56,550 INFO L388 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 1 case distinctions, treesize of input 9 treesize of output 14 [2021-10-13 06:56:56,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:56:56,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:56:56,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:56:56,589 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:56:56,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425762402] [2021-10-13 06:56:56,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425762402] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:56:56,590 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:56:56,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 06:56:56,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599957849] [2021-10-13 06:56:56,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:56:56,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:56:56,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:56:56,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:56:56,594 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:56:56,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:56:56,683 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2021-10-13 06:56:56,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:56:56,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-13 06:56:56,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:56:56,685 INFO L225 Difference]: With dead ends: 33 [2021-10-13 06:56:56,685 INFO L226 Difference]: Without dead ends: 33 [2021-10-13 06:56:56,686 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:56:56,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-13 06:56:56,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-13 06:56:56,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 32 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:56:56,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2021-10-13 06:56:56,690 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 4 [2021-10-13 06:56:56,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:56:56,690 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2021-10-13 06:56:56,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:56:56,691 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2021-10-13 06:56:56,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 06:56:56,691 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:56:56,691 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-13 06:56:56,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 06:56:56,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:56:56,900 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-13 06:56:56,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:56:56,901 INFO L82 PathProgramCache]: Analyzing trace with hash 28692770, now seen corresponding path program 1 times [2021-10-13 06:56:56,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:56:56,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874866390] [2021-10-13 06:56:56,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:56:56,902 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:56:56,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:56:56,903 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:56:56,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 06:56:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:56:56,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 06:56:56,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:56:57,059 INFO L354 Elim1Store]: treesize reduction 33, result has 40.0 percent of original size [2021-10-13 06:56:57,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 42 [2021-10-13 06:56:57,151 INFO L354 Elim1Store]: treesize reduction 77, result has 29.4 percent of original size [2021-10-13 06:56:57,151 INFO L388 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 3 case distinctions, treesize of input 42 treesize of output 63 [2021-10-13 06:56:57,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 62 [2021-10-13 06:56:57,749 INFO L354 Elim1Store]: treesize reduction 85, result has 43.0 percent of original size [2021-10-13 06:56:57,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 62 treesize of output 115 [2021-10-13 06:56:57,865 INFO L354 Elim1Store]: treesize reduction 7, result has 85.7 percent of original size [2021-10-13 06:56:57,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 112 treesize of output 145 [2021-10-13 06:57:00,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:57:00,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:57:00,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2021-10-13 06:57:00,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:57:00,582 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:57:00,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874866390] [2021-10-13 06:57:00,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874866390] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:57:00,582 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:57:00,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-13 06:57:00,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066845371] [2021-10-13 06:57:00,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:57:00,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:57:00,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:57:00,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:57:00,584 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:05,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:57:05,290 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2021-10-13 06:57:05,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 06:57:05,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-10-13 06:57:05,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:57:05,292 INFO L225 Difference]: With dead ends: 31 [2021-10-13 06:57:05,293 INFO L226 Difference]: Without dead ends: 31 [2021-10-13 06:57:05,293 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 354.1ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:57:05,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-13 06:57:05,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-13 06:57:05,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 30 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:05,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2021-10-13 06:57:05,298 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 5 [2021-10-13 06:57:05,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:57:05,298 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2021-10-13 06:57:05,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:05,298 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2021-10-13 06:57:05,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 06:57:05,299 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:57:05,299 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 06:57:05,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 06:57:05,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:57:05,510 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-13 06:57:05,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:57:05,510 INFO L82 PathProgramCache]: Analyzing trace with hash 889475910, now seen corresponding path program 1 times [2021-10-13 06:57:05,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:57:05,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [320055460] [2021-10-13 06:57:05,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:57:05,512 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:57:05,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:57:05,513 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:57:05,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 06:57:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:57:05,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 06:57:05,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:57:05,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-10-13 06:57:05,669 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-13 06:57:05,670 INFO L388 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 20 treesize of output 21 [2021-10-13 06:57:05,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2021-10-13 06:57:05,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:57:05,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:57:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:57:06,078 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:57:06,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [320055460] [2021-10-13 06:57:06,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [320055460] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:57:06,079 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:57:06,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 06:57:06,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602367923] [2021-10-13 06:57:06,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:57:06,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:57:06,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:57:06,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:57:06,081 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:06,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:57:06,316 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2021-10-13 06:57:06,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:57:06,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-13 06:57:06,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:57:06,318 INFO L225 Difference]: With dead ends: 30 [2021-10-13 06:57:06,318 INFO L226 Difference]: Without dead ends: 30 [2021-10-13 06:57:06,318 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 102.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:57:06,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-13 06:57:06,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-13 06:57:06,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.5) internal successors, (33), 29 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:06,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2021-10-13 06:57:06,326 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 6 [2021-10-13 06:57:06,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:57:06,326 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2021-10-13 06:57:06,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:06,327 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2021-10-13 06:57:06,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 06:57:06,327 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:57:06,328 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:57:06,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-13 06:57:06,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:57:06,537 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-13 06:57:06,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:57:06,538 INFO L82 PathProgramCache]: Analyzing trace with hash -811376880, now seen corresponding path program 1 times [2021-10-13 06:57:06,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:57:06,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1950128436] [2021-10-13 06:57:06,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:57:06,538 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:57:06,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:57:06,539 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:57:06,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 06:57:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:57:06,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 06:57:06,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:57:06,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:57:06,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:57:06,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:57:06,856 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:57:06,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1950128436] [2021-10-13 06:57:06,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1950128436] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:57:06,856 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:57:06,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 06:57:06,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160181042] [2021-10-13 06:57:06,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:57:06,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:57:06,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:57:06,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:57:06,858 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:07,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:57:07,070 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2021-10-13 06:57:07,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:57:07,071 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-13 06:57:07,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:57:07,072 INFO L225 Difference]: With dead ends: 34 [2021-10-13 06:57:07,072 INFO L226 Difference]: Without dead ends: 34 [2021-10-13 06:57:07,073 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 103.3ms TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:57:07,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-13 06:57:07,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-10-13 06:57:07,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 33 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:07,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2021-10-13 06:57:07,077 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 12 [2021-10-13 06:57:07,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:57:07,078 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2021-10-13 06:57:07,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:07,078 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2021-10-13 06:57:07,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 06:57:07,079 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:57:07,079 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:57:07,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 06:57:07,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:57:07,281 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-13 06:57:07,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:57:07,282 INFO L82 PathProgramCache]: Analyzing trace with hash -277697776, now seen corresponding path program 1 times [2021-10-13 06:57:07,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:57:07,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [416918428] [2021-10-13 06:57:07,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:57:07,282 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:57:07,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:57:07,283 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:57:07,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 06:57:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:57:07,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:57:07,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:57:07,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:57:07,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:57:07,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:57:07,911 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:57:07,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [416918428] [2021-10-13 06:57:07,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [416918428] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:57:07,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1803512447] [2021-10-13 06:57:07,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:57:07,912 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 06:57:07,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 06:57:07,916 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 06:57:07,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-13 06:57:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:57:08,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:57:08,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:57:08,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:57:08,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:57:08,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:57:08,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1803512447] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:57:08,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364698079] [2021-10-13 06:57:08,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:57:08,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 06:57:08,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:57:08,296 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 06:57:08,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-13 06:57:08,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:57:08,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 06:57:08,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:57:08,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 06:57:08,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:57:08,716 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 06:57:08,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364698079] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:57:08,716 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-10-13 06:57:08,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [6, 6, 6, 6] total 13 [2021-10-13 06:57:08,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926229665] [2021-10-13 06:57:08,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:57:08,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:57:08,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:57:08,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-10-13 06:57:08,719 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:08,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:57:08,844 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2021-10-13 06:57:08,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:57:08,845 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-13 06:57:08,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:57:08,846 INFO L225 Difference]: With dead ends: 36 [2021-10-13 06:57:08,846 INFO L226 Difference]: Without dead ends: 36 [2021-10-13 06:57:08,847 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 420.9ms TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-10-13 06:57:08,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-13 06:57:08,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-13 06:57:08,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 35 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:08,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2021-10-13 06:57:08,851 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 14 [2021-10-13 06:57:08,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:57:08,851 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2021-10-13 06:57:08,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:08,852 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2021-10-13 06:57:08,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 06:57:08,852 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:57:08,852 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:57:08,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 06:57:09,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-13 06:57:09,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-13 06:57:09,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 06:57:09,469 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-13 06:57:09,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:57:09,471 INFO L82 PathProgramCache]: Analyzing trace with hash -77863314, now seen corresponding path program 1 times [2021-10-13 06:57:09,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:57:09,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [830952681] [2021-10-13 06:57:09,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:57:09,472 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:57:09,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:57:09,473 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:57:09,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 06:57:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:57:09,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:57:09,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:57:09,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:57:09,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:57:10,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:57:10,081 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:57:10,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [830952681] [2021-10-13 06:57:10,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [830952681] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:57:10,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [852109632] [2021-10-13 06:57:10,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:57:10,082 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 06:57:10,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 06:57:10,084 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 06:57:10,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-10-13 06:57:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:57:10,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:57:10,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:57:10,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:57:10,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:57:10,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:57:10,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [852109632] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:57:10,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752435211] [2021-10-13 06:57:10,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:57:10,485 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 06:57:10,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:57:10,493 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 06:57:10,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-13 06:57:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:57:10,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:57:10,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:57:10,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:57:10,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:57:10,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:57:10,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752435211] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:57:10,832 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 06:57:10,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 10 [2021-10-13 06:57:10,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164895405] [2021-10-13 06:57:10,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 06:57:10,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:57:10,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 06:57:10,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-10-13 06:57:10,834 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:11,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:57:11,291 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2021-10-13 06:57:11,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 06:57:11,291 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-13 06:57:11,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:57:11,292 INFO L225 Difference]: With dead ends: 40 [2021-10-13 06:57:11,292 INFO L226 Difference]: Without dead ends: 40 [2021-10-13 06:57:11,292 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 312.4ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-10-13 06:57:11,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-13 06:57:11,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-10-13 06:57:11,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 32 states have (on average 1.34375) internal successors, (43), 39 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:11,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2021-10-13 06:57:11,297 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 15 [2021-10-13 06:57:11,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:57:11,298 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2021-10-13 06:57:11,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:11,298 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2021-10-13 06:57:11,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 06:57:11,299 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:57:11,299 INFO L512 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:57:11,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 06:57:11,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-10-13 06:57:11,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-13 06:57:11,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 06:57:11,902 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-13 06:57:11,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:57:11,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1212605842, now seen corresponding path program 2 times [2021-10-13 06:57:11,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:57:11,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1705544642] [2021-10-13 06:57:11,902 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 06:57:11,903 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:57:11,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:57:11,903 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:57:11,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-13 06:57:12,043 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-13 06:57:12,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 06:57:12,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 06:57:12,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:57:12,263 INFO L354 Elim1Store]: treesize reduction 77, result has 29.4 percent of original size [2021-10-13 06:57:12,264 INFO L388 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 3 case distinctions, treesize of input 15 treesize of output 37 [2021-10-13 06:57:12,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-13 06:57:12,720 INFO L354 Elim1Store]: treesize reduction 42, result has 33.3 percent of original size [2021-10-13 06:57:12,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 23 treesize of output 35 [2021-10-13 06:57:13,345 INFO L354 Elim1Store]: treesize reduction 20, result has 28.6 percent of original size [2021-10-13 06:57:13,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 31 [2021-10-13 06:57:13,585 INFO L354 Elim1Store]: treesize reduction 26, result has 44.7 percent of original size [2021-10-13 06:57:13,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 52 [2021-10-13 06:57:13,985 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 06:57:13,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:57:16,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 39 [2021-10-13 06:57:16,328 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 06:57:16,328 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:57:16,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1705544642] [2021-10-13 06:57:16,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1705544642] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:57:16,329 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:57:16,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2021-10-13 06:57:16,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997847903] [2021-10-13 06:57:16,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 06:57:16,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:57:16,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 06:57:16,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=60, Unknown=1, NotChecked=0, Total=90 [2021-10-13 06:57:16,331 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:29,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:57:29,091 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2021-10-13 06:57:29,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:57:29,092 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-13 06:57:29,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:57:29,092 INFO L225 Difference]: With dead ends: 39 [2021-10-13 06:57:29,092 INFO L226 Difference]: Without dead ends: 39 [2021-10-13 06:57:29,093 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2702.4ms TimeCoverageRelationStatistics Valid=51, Invalid=104, Unknown=1, NotChecked=0, Total=156 [2021-10-13 06:57:29,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-10-13 06:57:29,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-10-13 06:57:29,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 32 states have (on average 1.3125) internal successors, (42), 38 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:29,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2021-10-13 06:57:29,098 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 17 [2021-10-13 06:57:29,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:57:29,099 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2021-10-13 06:57:29,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:29,099 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2021-10-13 06:57:29,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 06:57:29,100 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:57:29,100 INFO L512 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:57:29,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-13 06:57:29,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:57:29,305 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-13 06:57:29,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:57:29,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1378074960, now seen corresponding path program 1 times [2021-10-13 06:57:29,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:57:29,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669202357] [2021-10-13 06:57:29,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:57:29,307 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:57:29,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:57:29,309 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:57:29,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 06:57:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:57:29,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 06:57:29,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:57:29,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-13 06:57:29,653 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-13 06:57:29,653 INFO L388 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 15 [2021-10-13 06:57:30,370 INFO L354 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2021-10-13 06:57:30,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 40 [2021-10-13 06:57:30,731 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 06:57:30,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:57:31,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2021-10-13 06:57:31,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 297 treesize of output 291 [2021-10-13 06:57:32,422 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 06:57:32,422 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:57:32,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669202357] [2021-10-13 06:57:32,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669202357] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:57:32,423 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:57:32,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 06:57:32,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564674254] [2021-10-13 06:57:32,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 06:57:32,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:57:32,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 06:57:32,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:57:32,424 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:33,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:57:33,579 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2021-10-13 06:57:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:57:33,581 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-13 06:57:33,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:57:33,581 INFO L225 Difference]: With dead ends: 38 [2021-10-13 06:57:33,581 INFO L226 Difference]: Without dead ends: 38 [2021-10-13 06:57:33,582 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1125.2ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-10-13 06:57:33,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-13 06:57:33,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-10-13 06:57:33,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 32 states have (on average 1.28125) internal successors, (41), 37 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:33,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2021-10-13 06:57:33,585 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 19 [2021-10-13 06:57:33,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:57:33,585 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2021-10-13 06:57:33,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:33,586 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2021-10-13 06:57:33,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 06:57:33,587 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:57:33,587 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:57:33,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-13 06:57:33,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:57:33,793 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-13 06:57:33,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:57:33,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1689464347, now seen corresponding path program 1 times [2021-10-13 06:57:33,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:57:33,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2129154084] [2021-10-13 06:57:33,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:57:33,795 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:57:33,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:57:33,796 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:57:33,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-13 06:57:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:57:34,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:57:34,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:57:34,166 INFO L388 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 [2021-10-13 06:57:34,296 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-13 06:57:34,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:57:34,447 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-13 06:57:34,447 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:57:34,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2129154084] [2021-10-13 06:57:34,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2129154084] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:57:34,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:57:34,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 06:57:34,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572856479] [2021-10-13 06:57:34,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:57:34,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:57:34,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:57:34,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:57:34,449 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:34,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:57:34,550 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2021-10-13 06:57:34,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:57:34,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-13 06:57:34,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:57:34,551 INFO L225 Difference]: With dead ends: 37 [2021-10-13 06:57:34,551 INFO L226 Difference]: Without dead ends: 37 [2021-10-13 06:57:34,552 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:57:34,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-13 06:57:34,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-10-13 06:57:34,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.25) internal successors, (40), 36 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:34,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2021-10-13 06:57:34,555 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 28 [2021-10-13 06:57:34,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:57:34,555 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2021-10-13 06:57:34,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:34,555 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2021-10-13 06:57:34,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 06:57:34,556 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:57:34,556 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:57:34,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-13 06:57:34,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:57:34,766 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-13 06:57:34,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:57:34,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1689464348, now seen corresponding path program 1 times [2021-10-13 06:57:34,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:57:34,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356820171] [2021-10-13 06:57:34,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:57:34,767 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:57:34,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:57:34,768 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:57:34,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-13 06:57:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:57:35,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 06:57:35,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:57:35,081 INFO L388 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 [2021-10-13 06:57:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-13 06:57:35,346 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:57:35,755 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-13 06:57:35,755 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:57:35,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [356820171] [2021-10-13 06:57:35,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [356820171] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:57:35,756 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:57:35,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 06:57:35,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951894362] [2021-10-13 06:57:35,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:57:35,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:57:35,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:57:35,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:57:35,757 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:35,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:57:35,881 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2021-10-13 06:57:35,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:57:35,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-13 06:57:35,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:57:35,883 INFO L225 Difference]: With dead ends: 36 [2021-10-13 06:57:35,883 INFO L226 Difference]: Without dead ends: 36 [2021-10-13 06:57:35,884 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 69.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:57:35,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-13 06:57:35,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-13 06:57:35,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 32 states have (on average 1.21875) internal successors, (39), 35 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:35,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2021-10-13 06:57:35,895 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 28 [2021-10-13 06:57:35,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:57:35,896 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2021-10-13 06:57:35,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:57:35,896 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2021-10-13 06:57:35,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 06:57:35,898 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:57:35,898 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:57:35,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-10-13 06:57:36,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:57:36,113 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2021-10-13 06:57:36,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:57:36,113 INFO L82 PathProgramCache]: Analyzing trace with hash 833787226, now seen corresponding path program 1 times [2021-10-13 06:57:36,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:57:36,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1811617910] [2021-10-13 06:57:36,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:57:36,114 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:57:36,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:57:36,115 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:57:36,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-13 06:57:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:57:36,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-13 06:57:36,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:57:36,754 INFO L354 Elim1Store]: treesize reduction 77, result has 29.4 percent of original size [2021-10-13 06:57:36,754 INFO L388 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 3 case distinctions, treesize of input 15 treesize of output 37 [2021-10-13 06:57:37,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-13 06:57:37,293 INFO L354 Elim1Store]: treesize reduction 42, result has 33.3 percent of original size [2021-10-13 06:57:37,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 23 treesize of output 35 [2021-10-13 06:57:38,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-10-13 06:57:38,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 06:57:38,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 06:57:38,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 06:57:38,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-10-13 06:57:39,135 INFO L354 Elim1Store]: treesize reduction 20, result has 28.6 percent of original size [2021-10-13 06:57:39,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 59 [2021-10-13 06:57:39,412 INFO L354 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-10-13 06:57:39,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 57 [2021-10-13 06:57:40,048 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-10-13 06:57:40,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 35 [2021-10-13 06:57:40,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 06:57:40,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 06:57:40,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 06:57:40,711 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-10-13 06:57:40,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 22 [2021-10-13 06:57:40,932 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-13 06:57:40,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2021-10-13 06:57:41,012 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 06:57:41,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:57:41,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 06:57:41,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-13 06:57:42,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 06:57:42,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-13 06:57:49,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 06:57:49,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-10-13 06:57:57,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 06:57:57,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-10-13 06:58:14,728 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~#p~1.base_32|))) (= (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_32|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1)) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-13 06:58:16,797 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))) (= (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_32|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1)) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-13 06:58:18,946 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr12|) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr12| |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))))) is different from false [2021-10-13 06:58:50,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 06:58:50,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-10-13 06:58:52,398 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_5))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))))) is different from false [2021-10-13 06:58:52,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 06:58:52,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-10-13 06:58:54,551 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_104| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_6) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_104|) v_DerPreprocessor_5))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))))) is different from false [2021-10-13 06:58:54,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 06:58:54,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-10-13 06:58:56,787 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_7 (_ BitVec 32)) (v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_111| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_104| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_7) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_111|) v_DerPreprocessor_6) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_104|) v_DerPreprocessor_5))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))))) is different from false [2021-10-13 06:58:56,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 06:58:56,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-10-13 06:58:59,047 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_8 (_ BitVec 32)) (v_DerPreprocessor_7 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_118| (_ BitVec 32)) (v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_111| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_104| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_8) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_118|) v_DerPreprocessor_7) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_111|) v_DerPreprocessor_6) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_104|) v_DerPreprocessor_5))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))))) is different from false [2021-10-13 06:59:01,248 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_8 (_ BitVec 32)) (v_DerPreprocessor_7 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_118| (_ BitVec 32)) (v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_111| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_104| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| v_DerPreprocessor_8) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_118|) v_DerPreprocessor_7) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_111|) v_DerPreprocessor_6) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_104|) v_DerPreprocessor_5))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_97| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-13 06:59:06,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122337 treesize of output 121309 [2021-10-13 06:59:17,775 WARN L207 SmtUtils]: Spent 10.81 s on a formula simplification. DAG size of input: 438 DAG size of output: 438 [2021-10-13 06:59:17,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117209 treesize of output 117201 [2021-10-13 06:59:18,345 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:59:18,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1811617910] [2021-10-13 06:59:18,346 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-10-13 06:59:18,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [955458611] [2021-10-13 06:59:18,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:59:18,347 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 06:59:18,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 06:59:18,357 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 06:59:18,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2021-10-13 06:59:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:59:19,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-13 06:59:19,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:59:19,576 INFO L354 Elim1Store]: treesize reduction 77, result has 29.4 percent of original size [2021-10-13 06:59:19,576 INFO L388 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 3 case distinctions, treesize of input 15 treesize of output 37 [2021-10-13 06:59:19,914 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-13 06:59:19,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-10-13 06:59:24,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 06:59:24,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 06:59:24,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 06:59:24,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 06:59:25,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-10-13 06:59:25,405 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-13 06:59:25,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 30 [2021-10-13 06:59:25,553 INFO L354 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-10-13 06:59:25,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 55 [2021-10-13 06:59:26,059 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-10-13 06:59:26,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 35 [2021-10-13 06:59:26,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 06:59:26,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 06:59:26,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 06:59:26,466 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-10-13 06:59:26,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 22 [2021-10-13 06:59:26,635 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-13 06:59:26,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2021-10-13 06:59:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-13 06:59:26,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:59:26,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 06:59:26,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-13 06:59:49,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 06:59:49,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-13 07:00:13,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:00:13,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-10-13 07:00:38,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:00:38,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-10-13 07:01:19,618 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_10 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_34| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| (_ BitVec 32))) (or (= (_ bv0 32) (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_34| (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_34|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_12) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| v_DerPreprocessor_11) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| v_DerPreprocessor_10) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| v_DerPreprocessor_9)) |c_~#a~0.base|) |c_~#a~0.offset|)) (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~#p~1.base_34|))))))) is different from false [2021-10-13 07:01:21,686 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_10 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_34| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_34|))))))) (= (_ bv0 32) (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_34| (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_34|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_12) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| v_DerPreprocessor_11) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| v_DerPreprocessor_10) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| v_DerPreprocessor_9)) |c_~#a~0.base|) |c_~#a~0.offset|)))) is different from false [2021-10-13 07:01:23,799 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_10 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_34| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_34|))))))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr12|) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr12| |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_34| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_34|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_12) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| v_DerPreprocessor_11) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| v_DerPreprocessor_10) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| v_DerPreprocessor_9))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-13 07:01:25,887 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_10 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_34| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_34|))))))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_34| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_34|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_12) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| v_DerPreprocessor_11) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| v_DerPreprocessor_10) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| v_DerPreprocessor_9))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-13 07:01:25,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:01:25,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-10-13 07:01:27,999 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_10 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_34| (_ BitVec 32)) (v_DerPreprocessor_13 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| (_ BitVec 32))) (or (= (_ bv0 32) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_13))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_34| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_34|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| v_DerPreprocessor_12) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| v_DerPreprocessor_11) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| v_DerPreprocessor_10) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| v_DerPreprocessor_9))) |c_~#a~0.base|) |c_~#a~0.offset|)) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_34|))))))))) is different from false [2021-10-13 07:01:28,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:01:28,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-10-13 07:01:30,145 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_34| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164| (_ BitVec 32)) (v_DerPreprocessor_13 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| (_ BitVec 32)) (v_DerPreprocessor_14 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_34|))))))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_14) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164|) v_DerPreprocessor_13))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_34| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_34|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| v_DerPreprocessor_12) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| v_DerPreprocessor_11) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| v_DerPreprocessor_10) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| v_DerPreprocessor_9))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-13 07:01:30,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:01:30,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-10-13 07:01:32,320 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_171| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_34| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164| (_ BitVec 32)) (v_DerPreprocessor_13 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| (_ BitVec 32)) (v_DerPreprocessor_14 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| (_ BitVec 32)) (v_DerPreprocessor_15 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_34|))))))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_15) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_171|) v_DerPreprocessor_14) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164|) v_DerPreprocessor_13))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_34| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_34|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| v_DerPreprocessor_12) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| v_DerPreprocessor_11) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| v_DerPreprocessor_10) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| v_DerPreprocessor_9))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-13 07:01:32,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:01:32,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-10-13 07:01:34,564 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_171| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_34| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164| (_ BitVec 32)) (v_DerPreprocessor_13 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| (_ BitVec 32)) (v_DerPreprocessor_14 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_178| (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| (_ BitVec 32)) (v_DerPreprocessor_15 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_16) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_178|) v_DerPreprocessor_15) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_171|) v_DerPreprocessor_14) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164|) v_DerPreprocessor_13))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_34| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_34|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| v_DerPreprocessor_12) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| v_DerPreprocessor_11) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| v_DerPreprocessor_10) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| v_DerPreprocessor_9))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_34|))))))))) is different from false [2021-10-13 07:01:35,586 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:01:35,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 166 treesize of output 170 [2021-10-13 07:01:41,637 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_171| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_34| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164| (_ BitVec 32)) (v_DerPreprocessor_13 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| (_ BitVec 32)) (v_DerPreprocessor_14 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_178| (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| (_ BitVec 32)) (v_DerPreprocessor_15 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_16) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_178|) v_DerPreprocessor_15) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_171|) v_DerPreprocessor_14) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164|) v_DerPreprocessor_13))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_34| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_34|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| v_DerPreprocessor_12) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| v_DerPreprocessor_11) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| v_DerPreprocessor_10) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| v_DerPreprocessor_9))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (= |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| |v_ULTIMATE.start_main_~#p~1.base_34|))) (forall ((|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_171| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164| (_ BitVec 32)) (v_DerPreprocessor_13 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| (_ BitVec 32)) (v_DerPreprocessor_14 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_178| (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| (_ BitVec 32)) (v_DerPreprocessor_15 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| (_ BitVec 32))) (= (select (select (let ((.cse2 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse3 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_16) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_178|) v_DerPreprocessor_15) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_171|) v_DerPreprocessor_14) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_164|) v_DerPreprocessor_13))) (store .cse3 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse3) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse2 |c_ULTIMATE.start_foo_~#p~0.base| (store (store (store (store (select .cse2 |c_ULTIMATE.start_foo_~#p~0.base|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_157| v_DerPreprocessor_12) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_149| v_DerPreprocessor_11) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| v_DerPreprocessor_10) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| v_DerPreprocessor_9))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-13 07:01:42,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21741 treesize of output 21577 [2021-10-13 07:01:44,726 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-10-13 07:01:44,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662100719] [2021-10-13 07:01:44,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:44,727 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:01:44,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:01:44,727 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:01:44,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-13 07:01:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:01:45,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-13 07:01:45,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:01:45,357 INFO L354 Elim1Store]: treesize reduction 77, result has 29.4 percent of original size [2021-10-13 07:01:45,358 INFO L388 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 3 case distinctions, treesize of input 15 treesize of output 37 [2021-10-13 07:01:45,665 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-13 07:01:45,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2021-10-13 07:01:46,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 07:01:46,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 07:01:46,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 07:01:46,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 07:01:46,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-10-13 07:01:46,688 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-13 07:01:46,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 32 [2021-10-13 07:01:46,902 INFO L354 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-10-13 07:01:46,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 61 [2021-10-13 07:01:47,471 INFO L354 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2021-10-13 07:01:47,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 35 [2021-10-13 07:01:47,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 07:01:47,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 07:01:47,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-13 07:01:47,880 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-10-13 07:01:47,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 22 [2021-10-13 07:01:48,008 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-13 07:01:48,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2021-10-13 07:01:48,016 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-13 07:01:48,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:01:48,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:01:48,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-13 07:02:04,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:02:04,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-13 07:02:32,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:02:32,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-10-13 07:03:01,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:03:01,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-10-13 07:03:40,371 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_36| (_ BitVec 32)) (v_DerPreprocessor_20 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_209| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32))) (or (= (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_36| (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_36|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_20) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_209| v_DerPreprocessor_11) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| v_DerPreprocessor_10) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| v_DerPreprocessor_9)) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_~#p~1.base_36|))))) is different from false [2021-10-13 07:03:42,432 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_36| (_ BitVec 32)) (v_DerPreprocessor_20 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_209| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_36|)))) (= (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_36| (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#p~1.base_36|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_20) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_209| v_DerPreprocessor_11) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| v_DerPreprocessor_10) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| v_DerPreprocessor_9)) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-13 07:03:44,563 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_36| (_ BitVec 32)) (v_DerPreprocessor_20 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_209| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_36|)))) (= (_ bv0 32) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr12|) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr12| |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_36| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_36|) |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| v_DerPreprocessor_20) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_209| v_DerPreprocessor_11) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_142| v_DerPreprocessor_10) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_135| v_DerPreprocessor_9))) |c_~#a~0.base|) |c_~#a~0.offset|)))) is different from false [2021-10-13 07:04:08,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:04:08,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-10-13 07:04:11,048 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_21))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-13 07:04:11,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:04:11,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-10-13 07:04:13,233 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_224| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (_ bv0 32) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_22) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_224|) v_DerPreprocessor_21))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|)) (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))))) is different from false [2021-10-13 07:04:13,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:04:13,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-10-13 07:04:15,463 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_231| (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_224| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_23) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_231|) v_DerPreprocessor_22) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_224|) v_DerPreprocessor_21))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))))) is different from false [2021-10-13 07:04:15,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:04:15,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-10-13 07:04:17,779 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_238| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_231| (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_224| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_24) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_238|) v_DerPreprocessor_23) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_231|) v_DerPreprocessor_22) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_224|) v_DerPreprocessor_21))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)) (not (= (_ bv0 1) (select (store |c_#valid| |c_ULTIMATE.start_foo_~#p~0.base| (_ bv0 1)) |v_ULTIMATE.start_main_~#p~1.base_32|))))) is different from false [2021-10-13 07:04:19,173 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:04:19,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 162 treesize of output 166 [2021-10-13 07:04:22,501 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#p~1.base_32| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_238| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_231| (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| (_ BitVec 32)) (|ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_224| (_ BitVec 32)) (|v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| (_ BitVec 32))) (or (and (= |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| |v_ULTIMATE.start_main_~#p~1.base_32|) (not (= |c_ULTIMATE.start_foo_~#p~0.base| |v_ULTIMATE.start_main_~#p~1.base_32|))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| (let ((.cse1 (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10|) v_DerPreprocessor_24) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_238|) v_DerPreprocessor_23) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_231|) v_DerPreprocessor_22) (bvadd |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_224|) v_DerPreprocessor_21))) (store .cse1 |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.C_memcpy_dest.base| .cse1) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.base|) |c_ULTIMATE.start_#Ultimate.C_memcpy_src.offset|)))))) (store .cse0 |v_ULTIMATE.start_main_~#p~1.base_32| (store (store (store (store (select .cse0 |v_ULTIMATE.start_main_~#p~1.base_32|) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_217| v_DerPreprocessor_4) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_89| v_DerPreprocessor_3) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_82| v_DerPreprocessor_2) |v_ULTIMATE.start_#Ultimate.C_memcpy_#t~loopctr10_75| v_DerPreprocessor_1))) |c_~#a~0.base|) |c_~#a~0.offset|) (_ bv0 32)))) is different from false [2021-10-13 07:04:22,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52338 treesize of output 51822 [2021-10-13 07:04:26,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-10-13 07:04:26,961 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:04:26,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-13 07:04:26,962 ERROR L172 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2021-10-13 07:04:26,962 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-10-13 07:04:26,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:04:26,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-13 07:04:26,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-13 07:04:26,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-13 07:04:26,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-13 07:04:26,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-13 07:04:26,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-13 07:04:26,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-13 07:04:26,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-13 07:04:26,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-13 07:04:26,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-13 07:04:26,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:04:26,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 07:04:26,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 07:04:27,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-10-13 07:04:27,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2021-10-13 07:04:27,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-13 07:04:27,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:04:27,595 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:04:27,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:04:27 BoogieIcfgContainer [2021-10-13 07:04:27,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:04:27,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:04:27,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:04:27,607 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:04:27,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:56:52" (3/4) ... [2021-10-13 07:04:27,612 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 07:04:27,612 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:04:27,613 INFO L168 Benchmark]: Toolchain (without parser) took 456230.29 ms. Allocated memory was 56.6 MB in the beginning and 346.0 MB in the end (delta: 289.4 MB). Free memory was 32.8 MB in the beginning and 127.8 MB in the end (delta: -94.9 MB). Peak memory consumption was 192.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:27,613 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 56.6 MB. Free memory is still 37.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:04:27,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.84 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.6 MB in the beginning and 37.4 MB in the end (delta: -4.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:27,614 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.62 ms. Allocated memory is still 69.2 MB. Free memory was 37.4 MB in the beginning and 35.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:27,615 INFO L168 Benchmark]: Boogie Preprocessor took 76.54 ms. Allocated memory is still 69.2 MB. Free memory was 35.0 MB in the beginning and 51.6 MB in the end (delta: -16.6 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:27,616 INFO L168 Benchmark]: RCFGBuilder took 528.85 ms. Allocated memory is still 69.2 MB. Free memory was 51.4 MB in the beginning and 37.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:27,616 INFO L168 Benchmark]: TraceAbstraction took 454922.17 ms. Allocated memory was 69.2 MB in the beginning and 346.0 MB in the end (delta: 276.8 MB). Free memory was 36.7 MB in the beginning and 127.8 MB in the end (delta: -91.1 MB). Peak memory consumption was 205.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:27,617 INFO L168 Benchmark]: Witness Printer took 6.00 ms. Allocated memory is still 346.0 MB. Free memory is still 127.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:04:27,626 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 56.6 MB. Free memory is still 37.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 618.84 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.6 MB in the beginning and 37.4 MB in the end (delta: -4.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.62 ms. Allocated memory is still 69.2 MB. Free memory was 37.4 MB in the beginning and 35.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.54 ms. Allocated memory is still 69.2 MB. Free memory was 35.0 MB in the beginning and 51.6 MB in the end (delta: -16.6 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 528.85 ms. Allocated memory is still 69.2 MB. Free memory was 51.4 MB in the beginning and 37.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 454922.17 ms. Allocated memory was 69.2 MB in the beginning and 346.0 MB in the end (delta: 276.8 MB). Free memory was 36.7 MB in the beginning and 127.8 MB in the end (delta: -91.1 MB). Peak memory consumption was 205.4 MB. Max. memory is 16.1 GB. * Witness Printer took 6.00 ms. Allocated memory is still 346.0 MB. Free memory is still 127.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 651]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L640] char a[sizeof(int*)]; [L643] int *p = (int *)malloc(10); [L643] int *p = (int *)malloc(10); [L643] int *p = (int *)malloc(10); [L649] void *p; [L651] EXPR \read(*p) [L651] free(p) - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 651]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 651]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 651]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 651]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 646]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 454852.5ms, OverallIterations: 12, TraceHistogramMax: 4, EmptinessCheckTime: 20.2ms, AutomataDifference: 20359.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 35.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 194 SDtfs, 418 SDslu, 269 SDs, 0 SdLazy, 507 SolverSat, 63 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 18926.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 399 GetRequests, 333 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 7354.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=7, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 70.0ms AutomataMinimizationTime, 11 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 154.2ms SsaConstructionTime, 722.3ms SatisfiabilityAnalysisTime, 17477.0ms InterpolantComputationTime, 209 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 388 ConstructedInterpolants, 45 QuantifiedInterpolants, 2610 SizeOfPredicates, 62 NumberOfNonLiveVariables, 1293 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 30 InterpolantComputations, 20 PerfectInterpolantSequences, 144/174 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 07:04:27,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c0c6ba-14f9-403f-9a8a-913433880304/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...