./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e2d96ac7da90505ebe789a14ca36a5b916234d7d0d8ab11cf581076a8deb0195 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 11:02:09,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 11:02:09,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 11:02:10,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 11:02:10,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 11:02:10,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 11:02:10,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 11:02:10,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 11:02:10,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 11:02:10,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 11:02:10,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 11:02:10,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 11:02:10,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 11:02:10,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 11:02:10,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 11:02:10,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 11:02:10,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 11:02:10,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 11:02:10,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 11:02:10,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 11:02:10,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 11:02:10,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 11:02:10,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 11:02:10,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 11:02:10,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 11:02:10,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 11:02:10,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 11:02:10,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 11:02:10,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 11:02:10,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 11:02:10,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 11:02:10,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 11:02:10,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 11:02:10,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 11:02:10,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 11:02:10,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 11:02:10,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 11:02:10,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 11:02:10,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 11:02:10,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 11:02:10,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 11:02:10,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-17 11:02:10,080 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 11:02:10,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 11:02:10,081 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 11:02:10,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 11:02:10,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 11:02:10,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 11:02:10,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 11:02:10,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 11:02:10,083 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 11:02:10,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 11:02:10,083 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 11:02:10,084 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 11:02:10,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 11:02:10,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 11:02:10,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 11:02:10,084 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 11:02:10,085 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 11:02:10,085 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 11:02:10,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 11:02:10,085 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 11:02:10,085 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 11:02:10,086 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 11:02:10,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 11:02:10,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 11:02:10,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 11:02:10,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:02:10,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 11:02:10,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 11:02:10,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 11:02:10,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 11:02:10,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2d96ac7da90505ebe789a14ca36a5b916234d7d0d8ab11cf581076a8deb0195 [2022-10-17 11:02:10,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 11:02:10,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 11:02:10,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 11:02:10,461 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 11:02:10,464 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 11:02:10,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i [2022-10-17 11:02:10,548 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/data/31f26fb87/5d4fc802d2f744f3b94516ad2d034571/FLAG412d8e7de [2022-10-17 11:02:11,234 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 11:02:11,235 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i [2022-10-17 11:02:11,255 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/data/31f26fb87/5d4fc802d2f744f3b94516ad2d034571/FLAG412d8e7de [2022-10-17 11:02:11,376 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/data/31f26fb87/5d4fc802d2f744f3b94516ad2d034571 [2022-10-17 11:02:11,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 11:02:11,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 11:02:11,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 11:02:11,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 11:02:11,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 11:02:11,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:02:11" (1/1) ... [2022-10-17 11:02:11,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42304654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:11, skipping insertion in model container [2022-10-17 11:02:11,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:02:11" (1/1) ... [2022-10-17 11:02:11,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 11:02:11,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 11:02:12,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i[33022,33035] [2022-10-17 11:02:12,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:02:12,329 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-10-17 11:02:12,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@717b5e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:12, skipping insertion in model container [2022-10-17 11:02:12,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 11:02:12,331 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-10-17 11:02:12,334 INFO L158 Benchmark]: Toolchain (without parser) took 950.07ms. Allocated memory is still 104.9MB. Free memory was 66.3MB in the beginning and 59.2MB in the end (delta: 7.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 11:02:12,335 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory was 76.9MB in the beginning and 76.9MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 11:02:12,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 947.10ms. Allocated memory is still 104.9MB. Free memory was 66.1MB in the beginning and 59.2MB in the end (delta: 6.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 11:02:12,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory was 76.9MB in the beginning and 76.9MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 947.10ms. Allocated memory is still 104.9MB. Free memory was 66.1MB in the beginning and 59.2MB in the end (delta: 6.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 734]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e2d96ac7da90505ebe789a14ca36a5b916234d7d0d8ab11cf581076a8deb0195 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 11:02:14,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 11:02:14,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 11:02:14,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 11:02:14,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 11:02:14,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 11:02:14,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 11:02:14,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 11:02:14,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 11:02:14,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 11:02:14,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 11:02:14,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 11:02:14,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 11:02:14,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 11:02:14,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 11:02:14,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 11:02:14,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 11:02:14,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 11:02:14,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 11:02:14,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 11:02:14,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 11:02:14,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 11:02:14,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 11:02:14,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 11:02:14,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 11:02:14,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 11:02:14,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 11:02:14,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 11:02:14,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 11:02:14,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 11:02:14,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 11:02:14,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 11:02:14,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 11:02:14,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 11:02:14,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 11:02:14,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 11:02:14,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 11:02:14,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 11:02:14,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 11:02:14,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 11:02:14,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 11:02:14,666 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-10-17 11:02:14,710 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 11:02:14,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 11:02:14,711 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 11:02:14,711 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 11:02:14,712 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 11:02:14,712 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 11:02:14,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 11:02:14,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 11:02:14,714 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 11:02:14,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 11:02:14,715 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 11:02:14,715 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 11:02:14,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 11:02:14,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 11:02:14,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 11:02:14,716 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 11:02:14,716 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 11:02:14,716 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 11:02:14,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 11:02:14,717 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 11:02:14,717 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 11:02:14,717 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 11:02:14,717 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 11:02:14,717 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 11:02:14,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 11:02:14,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 11:02:14,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 11:02:14,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:02:14,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 11:02:14,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 11:02:14,719 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-10-17 11:02:14,719 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 11:02:14,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 11:02:14,720 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_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2d96ac7da90505ebe789a14ca36a5b916234d7d0d8ab11cf581076a8deb0195 [2022-10-17 11:02:15,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 11:02:15,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 11:02:15,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 11:02:15,134 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 11:02:15,135 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 11:02:15,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i [2022-10-17 11:02:15,198 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/data/c20975143/be079dd14cd344ffaa8165316dee3cb8/FLAGb01013fb0 [2022-10-17 11:02:15,892 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 11:02:15,893 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i [2022-10-17 11:02:15,920 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/data/c20975143/be079dd14cd344ffaa8165316dee3cb8/FLAGb01013fb0 [2022-10-17 11:02:16,070 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/data/c20975143/be079dd14cd344ffaa8165316dee3cb8 [2022-10-17 11:02:16,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 11:02:16,074 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 11:02:16,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 11:02:16,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 11:02:16,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 11:02:16,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:02:16" (1/1) ... [2022-10-17 11:02:16,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cdb5e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:16, skipping insertion in model container [2022-10-17 11:02:16,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:02:16" (1/1) ... [2022-10-17 11:02:16,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 11:02:16,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 11:02:16,702 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i[33022,33035] [2022-10-17 11:02:17,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:02:17,045 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 11:02:17,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 11:02:17,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i[33022,33035] [2022-10-17 11:02:17,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:02:17,264 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 11:02:17,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-2.i[33022,33035] [2022-10-17 11:02:17,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:02:17,433 INFO L208 MainTranslator]: Completed translation [2022-10-17 11:02:17,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:17 WrapperNode [2022-10-17 11:02:17,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 11:02:17,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 11:02:17,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 11:02:17,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 11:02:17,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:17" (1/1) ... [2022-10-17 11:02:17,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:17" (1/1) ... [2022-10-17 11:02:17,601 INFO L138 Inliner]: procedures = 180, calls = 575, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2348 [2022-10-17 11:02:17,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 11:02:17,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 11:02:17,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 11:02:17,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 11:02:17,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:17" (1/1) ... [2022-10-17 11:02:17,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:17" (1/1) ... [2022-10-17 11:02:17,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:17" (1/1) ... [2022-10-17 11:02:17,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:17" (1/1) ... [2022-10-17 11:02:17,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:17" (1/1) ... [2022-10-17 11:02:17,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:17" (1/1) ... [2022-10-17 11:02:17,798 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:17" (1/1) ... [2022-10-17 11:02:17,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:17" (1/1) ... [2022-10-17 11:02:17,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 11:02:17,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 11:02:17,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 11:02:17,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 11:02:17,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:17" (1/1) ... [2022-10-17 11:02:17,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:02:17,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:02:17,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 11:02:17,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 11:02:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-10-17 11:02:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2022-10-17 11:02:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2022-10-17 11:02:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 11:02:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 11:02:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 11:02:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 11:02:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 11:02:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 11:02:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 11:02:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 11:02:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 11:02:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 11:02:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 11:02:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 11:02:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 11:02:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 11:02:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 11:02:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 11:02:18,347 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 11:02:18,349 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 11:02:18,353 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 11:02:28,676 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 11:02:28,695 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 11:02:28,695 INFO L300 CfgBuilder]: Removed 160 assume(true) statements. [2022-10-17 11:02:28,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:02:28 BoogieIcfgContainer [2022-10-17 11:02:28,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 11:02:28,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 11:02:28,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 11:02:28,707 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 11:02:28,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 11:02:16" (1/3) ... [2022-10-17 11:02:28,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763fc373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:02:28, skipping insertion in model container [2022-10-17 11:02:28,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:17" (2/3) ... [2022-10-17 11:02:28,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763fc373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:02:28, skipping insertion in model container [2022-10-17 11:02:28,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:02:28" (3/3) ... [2022-10-17 11:02:28,710 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test10-2.i [2022-10-17 11:02:28,728 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 11:02:28,729 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1095 error locations. [2022-10-17 11:02:28,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 11:02:28,811 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@757e233f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 11:02:28,811 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1095 error locations. [2022-10-17 11:02:28,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 2259 states, 1152 states have (on average 2.2144097222222223) internal successors, (2551), 2245 states have internal predecessors, (2551), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-10-17 11:02:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 11:02:28,827 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 11:02:28,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-10-17 11:02:28,828 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1092 more)] === [2022-10-17 11:02:28,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:02:28,834 INFO L85 PathProgramCache]: Analyzing trace with hash 66598, now seen corresponding path program 1 times [2022-10-17 11:02:28,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-10-17 11:02:28,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [918070659] [2022-10-17 11:02:28,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:02:28,847 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-10-17 11:02:28,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/mathsat [2022-10-17 11:02:28,853 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-10-17 11:02:28,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-10-17 11:02:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:02:29,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 11:02:29,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 11:02:29,150 INFO L390 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 7 [2022-10-17 11:02:29,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:02:29,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 11:02:29,183 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-10-17 11:02:29,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [918070659] [2022-10-17 11:02:29,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [918070659] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:02:29,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:02:29,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 11:02:29,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505938759] [2022-10-17 11:02:29,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:02:29,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 11:02:29,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-10-17 11:02:29,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 11:02:29,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 11:02:29,251 INFO L87 Difference]: Start difference. First operand has 2259 states, 1152 states have (on average 2.2144097222222223) internal successors, (2551), 2245 states have internal predecessors, (2551), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 11:02:33,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 11:02:33,639 INFO L93 Difference]: Finished difference Result 2934 states and 3120 transitions. [2022-10-17 11:02:33,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 11:02:33,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 [2022-10-17 11:02:33,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 11:02:33,684 INFO L225 Difference]: With dead ends: 2934 [2022-10-17 11:02:33,684 INFO L226 Difference]: Without dead ends: 2932 [2022-10-17 11:02:33,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 11:02:33,692 INFO L413 NwaCegarLoop]: 1394 mSDtfsCounter, 2142 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2152 SdHoareTripleChecker+Valid, 1869 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-10-17 11:02:33,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2152 Valid, 1869 Invalid, 1495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1472 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-10-17 11:02:33,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2932 states. [2022-10-17 11:02:33,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2932 to 2401. [2022-10-17 11:02:33,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2401 states, 1318 states have (on average 2.0515933232169954) internal successors, (2704), 2385 states have internal predecessors, (2704), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-10-17 11:02:33,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2401 states and 2736 transitions. [2022-10-17 11:02:33,851 INFO L78 Accepts]: Start accepts. Automaton has 2401 states and 2736 transitions. Word has length 3 [2022-10-17 11:02:33,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 11:02:33,852 INFO L495 AbstractCegarLoop]: Abstraction has 2401 states and 2736 transitions. [2022-10-17 11:02:33,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 11:02:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 2736 transitions. [2022-10-17 11:02:33,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 11:02:33,853 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 11:02:33,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-10-17 11:02:33,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-10-17 11:02:34,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 [2022-10-17 11:02:34,067 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1092 more)] === [2022-10-17 11:02:34,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:02:34,067 INFO L85 PathProgramCache]: Analyzing trace with hash 66599, now seen corresponding path program 1 times [2022-10-17 11:02:34,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-10-17 11:02:34,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [474363276] [2022-10-17 11:02:34,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:02:34,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-10-17 11:02:34,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/mathsat [2022-10-17 11:02:34,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-10-17 11:02:34,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-10-17 11:02:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:02:34,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 11:02:34,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 11:02:34,263 INFO L390 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 [2022-10-17 11:02:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:02:34,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 11:02:34,277 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-10-17 11:02:34,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [474363276] [2022-10-17 11:02:34,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [474363276] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:02:34,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:02:34,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 11:02:34,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239471644] [2022-10-17 11:02:34,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:02:34,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 11:02:34,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-10-17 11:02:34,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 11:02:34,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 11:02:34,280 INFO L87 Difference]: Start difference. First operand 2401 states and 2736 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 11:02:40,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 11:02:40,422 INFO L93 Difference]: Finished difference Result 3371 states and 3798 transitions. [2022-10-17 11:02:40,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 11:02:40,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 [2022-10-17 11:02:40,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 11:02:40,443 INFO L225 Difference]: With dead ends: 3371 [2022-10-17 11:02:40,443 INFO L226 Difference]: Without dead ends: 3371 [2022-10-17 11:02:40,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 11:02:40,445 INFO L413 NwaCegarLoop]: 1951 mSDtfsCounter, 1054 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 1511 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 3245 SdHoareTripleChecker+Invalid, 1518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-10-17 11:02:40,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 3245 Invalid, 1518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1511 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-10-17 11:02:40,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3371 states. [2022-10-17 11:02:40,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3371 to 2850. [2022-10-17 11:02:40,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2850 states, 1765 states have (on average 2.009631728045326) internal successors, (3547), 2831 states have internal predecessors, (3547), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2022-10-17 11:02:40,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2850 states and 3585 transitions. [2022-10-17 11:02:40,529 INFO L78 Accepts]: Start accepts. Automaton has 2850 states and 3585 transitions. Word has length 3 [2022-10-17 11:02:40,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 11:02:40,530 INFO L495 AbstractCegarLoop]: Abstraction has 2850 states and 3585 transitions. [2022-10-17 11:02:40,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 11:02:40,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2850 states and 3585 transitions. [2022-10-17 11:02:40,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 11:02:40,531 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 11:02:40,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:02:40,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-10-17 11:02:40,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 [2022-10-17 11:02:40,745 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1092 more)] === [2022-10-17 11:02:40,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:02:40,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1375609072, now seen corresponding path program 1 times [2022-10-17 11:02:40,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-10-17 11:02:40,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908884492] [2022-10-17 11:02:40,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:02:40,748 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-10-17 11:02:40,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/mathsat [2022-10-17 11:02:40,751 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-10-17 11:02:40,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941aedb-0504-4933-8cac-6e8735d4dcea/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process