./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.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_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta --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 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 --- 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 17:37:46,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:37:46,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:37:47,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:37:47,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:37:47,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:37:47,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:37:47,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:37:47,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:37:47,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:37:47,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:37:47,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:37:47,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:37:47,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:37:47,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:37:47,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:37:47,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:37:47,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:37:47,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:37:47,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:37:47,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:37:47,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:37:47,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:37:47,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:37:47,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:37:47,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:37:47,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:37:47,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:37:47,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:37:47,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:37:47,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:37:47,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:37:47,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:37:47,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:37:47,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:37:47,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:37:47,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:37:47,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:37:47,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:37:47,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:37:47,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:37:47,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-10-17 17:37:47,240 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:37:47,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:37:47,242 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:37:47,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:37:47,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:37:47,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:37:47,244 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:37:47,245 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:37:47,245 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:37:47,245 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:37:47,247 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:37:47,247 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:37:47,248 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:37:47,248 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:37:47,248 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:37:47,249 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:37:47,249 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:37:47,249 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:37:47,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:37:47,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:37:47,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:37:47,253 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:37:47,253 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:37:47,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:37:47,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:37:47,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:37:47,255 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:37:47,255 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:37:47,255 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:37:47,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:37:47,256 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:37:47,257 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:37:47,257 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:37:47,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:37:47,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:37:47,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:37:47,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:37:47,259 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:37:47,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:37:47,273 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:37:47,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:37:47,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:37:47,274 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_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 [2022-10-17 17:37:47,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:37:47,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:37:47,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:37:47,677 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:37:47,678 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:37:47,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2022-10-17 17:37:47,770 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/data/ac8c212e2/22264fe1d4da494897a5977eff736b94/FLAG2cc19ec62 [2022-10-17 17:37:48,606 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:37:48,606 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2022-10-17 17:37:48,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/data/ac8c212e2/22264fe1d4da494897a5977eff736b94/FLAG2cc19ec62 [2022-10-17 17:37:48,722 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/data/ac8c212e2/22264fe1d4da494897a5977eff736b94 [2022-10-17 17:37:48,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:37:48,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:37:48,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:37:48,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:37:48,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:37:48,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:37:48" (1/1) ... [2022-10-17 17:37:48,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc78823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:48, skipping insertion in model container [2022-10-17 17:37:48,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:37:48" (1/1) ... [2022-10-17 17:37:48,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:37:48,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:37:49,424 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_048ed57e-c11d-4677-a420-2e50375b5697/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i[33021,33034] [2022-10-17 17:37:49,597 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_048ed57e-c11d-4677-a420-2e50375b5697/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i[44590,44603] [2022-10-17 17:37:49,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:37:49,633 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 17:37:49,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25f2e4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:49, skipping insertion in model container [2022-10-17 17:37:49,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:37:49,635 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-10-17 17:37:49,637 INFO L158 Benchmark]: Toolchain (without parser) took 904.86ms. Allocated memory is still 96.5MB. Free memory was 73.2MB in the beginning and 60.4MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 17:37:49,638 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 96.5MB. Free memory was 69.7MB in the beginning and 69.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:37:49,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 897.88ms. Allocated memory is still 96.5MB. Free memory was 72.8MB in the beginning and 60.4MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 17:37:49,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 96.5MB. Free memory was 69.7MB in the beginning and 69.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 897.88ms. Allocated memory is still 96.5MB. Free memory was 72.8MB in the beginning and 60.4MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 736]: 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_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta --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 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 --- 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 17:37:52,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:37:52,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:37:52,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:37:52,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:37:52,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:37:52,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:37:52,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:37:52,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:37:52,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:37:52,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:37:52,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:37:52,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:37:52,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:37:52,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:37:52,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:37:52,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:37:52,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:37:52,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:37:52,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:37:52,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:37:52,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:37:52,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:37:52,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:37:52,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:37:52,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:37:52,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:37:52,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:37:52,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:37:52,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:37:52,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:37:52,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:37:52,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:37:52,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:37:52,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:37:52,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:37:52,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:37:52,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:37:52,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:37:52,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:37:52,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:37:52,870 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-10-17 17:37:52,934 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:37:52,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:37:52,937 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:37:52,937 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:37:52,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:37:52,939 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:37:52,940 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:37:52,940 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:37:52,940 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:37:52,941 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:37:52,942 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:37:52,943 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:37:52,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:37:52,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:37:52,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:37:52,946 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:37:52,946 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:37:52,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:37:52,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:37:52,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:37:52,948 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:37:52,948 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:37:52,948 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:37:52,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:37:52,949 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:37:52,949 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 17:37:52,949 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 17:37:52,950 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:37:52,950 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:37:52,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:37:52,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 17:37:52,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:37:52,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:37:52,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:37:52,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:37:52,953 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 17:37:52,953 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 17:37:52,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:37:52,954 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 17:37:52,954 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_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 [2022-10-17 17:37:53,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:37:53,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:37:53,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:37:53,532 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:37:53,533 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:37:53,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2022-10-17 17:37:53,629 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/data/7b9441f3f/83d6e6be29fa4b4da9abf97acf34687f/FLAGbaf833883 [2022-10-17 17:37:54,505 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:37:54,507 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2022-10-17 17:37:54,531 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/data/7b9441f3f/83d6e6be29fa4b4da9abf97acf34687f/FLAGbaf833883 [2022-10-17 17:37:54,635 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/data/7b9441f3f/83d6e6be29fa4b4da9abf97acf34687f [2022-10-17 17:37:54,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:37:54,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:37:54,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:37:54,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:37:54,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:37:54,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:37:54" (1/1) ... [2022-10-17 17:37:54,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d926840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:54, skipping insertion in model container [2022-10-17 17:37:54,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:37:54" (1/1) ... [2022-10-17 17:37:54,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:37:54,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:37:55,350 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_048ed57e-c11d-4677-a420-2e50375b5697/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i[33021,33034] [2022-10-17 17:37:55,491 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_048ed57e-c11d-4677-a420-2e50375b5697/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i[44590,44603] [2022-10-17 17:37:55,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:37:55,566 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 17:37:55,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:37:55,615 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_048ed57e-c11d-4677-a420-2e50375b5697/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i[33021,33034] [2022-10-17 17:37:55,745 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_048ed57e-c11d-4677-a420-2e50375b5697/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i[44590,44603] [2022-10-17 17:37:55,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:37:55,777 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:37:55,848 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_048ed57e-c11d-4677-a420-2e50375b5697/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i[33021,33034] [2022-10-17 17:37:55,950 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_048ed57e-c11d-4677-a420-2e50375b5697/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i[44590,44603] [2022-10-17 17:37:55,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:37:56,052 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:37:56,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:56 WrapperNode [2022-10-17 17:37:56,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:37:56,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:37:56,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:37:56,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:37:56,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:56" (1/1) ... [2022-10-17 17:37:56,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:56" (1/1) ... [2022-10-17 17:37:56,284 INFO L138 Inliner]: procedures = 180, calls = 336, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1205 [2022-10-17 17:37:56,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:37:56,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:37:56,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:37:56,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:37:56,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:56" (1/1) ... [2022-10-17 17:37:56,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:56" (1/1) ... [2022-10-17 17:37:56,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:56" (1/1) ... [2022-10-17 17:37:56,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:56" (1/1) ... [2022-10-17 17:37:56,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:56" (1/1) ... [2022-10-17 17:37:56,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:56" (1/1) ... [2022-10-17 17:37:56,537 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:56" (1/1) ... [2022-10-17 17:37:56,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:56" (1/1) ... [2022-10-17 17:37:56,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:37:56,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:37:56,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:37:56,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:37:56,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:56" (1/1) ... [2022-10-17 17:37:56,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:37:56,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:37:56,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:37:56,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:37:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-10-17 17:37:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 17:37:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:37:56,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:37:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 17:37:56,745 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 17:37:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:37:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:37:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:37:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:37:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 17:37:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:37:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:37:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 17:37:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 17:37:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:37:56,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:37:57,098 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:37:57,115 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:37:57,120 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 17:38:04,744 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:38:04,777 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:38:04,779 INFO L300 CfgBuilder]: Removed 72 assume(true) statements. [2022-10-17 17:38:04,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:38:04 BoogieIcfgContainer [2022-10-17 17:38:04,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:38:04,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:38:04,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:38:04,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:38:04,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:37:54" (1/3) ... [2022-10-17 17:38:04,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a971632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:38:04, skipping insertion in model container [2022-10-17 17:38:04,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:56" (2/3) ... [2022-10-17 17:38:04,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a971632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:38:04, skipping insertion in model container [2022-10-17 17:38:04,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:38:04" (3/3) ... [2022-10-17 17:38:04,798 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test3-2.i [2022-10-17 17:38:04,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:38:04,822 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 639 error locations. [2022-10-17 17:38:04,938 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:38:04,949 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;@1d54d3ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:38:04,950 INFO L358 AbstractCegarLoop]: Starting to check reachability of 639 error locations. [2022-10-17 17:38:04,963 INFO L276 IsEmpty]: Start isEmpty. Operand has 1271 states, 624 states have (on average 2.2580128205128207) internal successors, (1409), 1265 states have internal predecessors, (1409), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-17 17:38:04,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:38:04,971 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:38:04,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-10-17 17:38:04,973 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 636 more)] === [2022-10-17 17:38:04,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:38:04,981 INFO L85 PathProgramCache]: Analyzing trace with hash 38794, now seen corresponding path program 1 times [2022-10-17 17:38:04,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-10-17 17:38:04,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1541971959] [2022-10-17 17:38:04,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:38:04,997 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-10-17 17:38:04,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/mathsat [2022-10-17 17:38:05,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-10-17 17:38:05,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-10-17 17:38:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:38:05,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:38:05,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:38:05,367 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 17:38:05,382 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 17:38:05,382 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 17:38:05,383 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-10-17 17:38:05,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1541971959] [2022-10-17 17:38:05,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1541971959] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:38:05,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:38:05,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 17:38:05,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722075125] [2022-10-17 17:38:05,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:38:05,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:38:05,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-10-17 17:38:05,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:38:05,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:38:05,452 INFO L87 Difference]: Start difference. First operand has 1271 states, 624 states have (on average 2.2580128205128207) internal successors, (1409), 1265 states have internal predecessors, (1409), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) 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 17:38:08,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:38:08,570 INFO L93 Difference]: Finished difference Result 1443 states and 1528 transitions. [2022-10-17 17:38:08,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:38:08,573 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 17:38:08,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:38:08,605 INFO L225 Difference]: With dead ends: 1443 [2022-10-17 17:38:08,606 INFO L226 Difference]: Without dead ends: 1441 [2022-10-17 17:38:08,608 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 17:38:08,613 INFO L413 NwaCegarLoop]: 769 mSDtfsCounter, 1181 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1189 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-10-17 17:38:08,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1189 Valid, 928 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-10-17 17:38:08,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2022-10-17 17:38:08,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1256. [2022-10-17 17:38:08,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 624 states have (on average 2.110576923076923) internal successors, (1317), 1250 states have internal predecessors, (1317), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-17 17:38:08,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1333 transitions. [2022-10-17 17:38:08,751 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1333 transitions. Word has length 3 [2022-10-17 17:38:08,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:38:08,751 INFO L495 AbstractCegarLoop]: Abstraction has 1256 states and 1333 transitions. [2022-10-17 17:38:08,752 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 17:38:08,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1333 transitions. [2022-10-17 17:38:08,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:38:08,753 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:38:08,753 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-10-17 17:38:08,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-10-17 17:38:08,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/mathsat -unsat_core_generation=3 [2022-10-17 17:38:08,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 636 more)] === [2022-10-17 17:38:08,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:38:08,968 INFO L85 PathProgramCache]: Analyzing trace with hash 38795, now seen corresponding path program 1 times [2022-10-17 17:38:08,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-10-17 17:38:08,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286986321] [2022-10-17 17:38:08,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:38:08,970 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-10-17 17:38:08,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/mathsat [2022-10-17 17:38:08,971 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-10-17 17:38:08,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-10-17 17:38:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:38:09,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:38:09,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:38:09,177 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 17:38:09,194 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 17:38:09,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 17:38:09,194 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-10-17 17:38:09,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286986321] [2022-10-17 17:38:09,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [286986321] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:38:09,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:38:09,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 17:38:09,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558629596] [2022-10-17 17:38:09,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:38:09,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:38:09,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-10-17 17:38:09,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:38:09,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:38:09,199 INFO L87 Difference]: Start difference. First operand 1256 states and 1333 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 17:38:13,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:38:13,747 INFO L93 Difference]: Finished difference Result 1865 states and 1993 transitions. [2022-10-17 17:38:13,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:38:13,748 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 17:38:13,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:38:13,761 INFO L225 Difference]: With dead ends: 1865 [2022-10-17 17:38:13,762 INFO L226 Difference]: Without dead ends: 1865 [2022-10-17 17:38:13,762 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 17:38:13,764 INFO L413 NwaCegarLoop]: 1047 mSDtfsCounter, 650 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 1750 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-10-17 17:38:13,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 1750 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-10-17 17:38:13,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1865 states. [2022-10-17 17:38:13,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1865 to 1456. [2022-10-17 17:38:13,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1456 states, 825 states have (on average 2.0957575757575757) internal successors, (1729), 1450 states have internal predecessors, (1729), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-17 17:38:13,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 1745 transitions. [2022-10-17 17:38:13,831 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 1745 transitions. Word has length 3 [2022-10-17 17:38:13,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:38:13,832 INFO L495 AbstractCegarLoop]: Abstraction has 1456 states and 1745 transitions. [2022-10-17 17:38:13,832 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 17:38:13,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1745 transitions. [2022-10-17 17:38:13,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:38:13,833 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:38:13,833 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:38:13,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-10-17 17:38:14,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/mathsat -unsat_core_generation=3 [2022-10-17 17:38:14,056 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 636 more)] === [2022-10-17 17:38:14,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:38:14,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1466973012, now seen corresponding path program 1 times [2022-10-17 17:38:14,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-10-17 17:38:14,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [423773123] [2022-10-17 17:38:14,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:38:14,059 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-10-17 17:38:14,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/mathsat [2022-10-17 17:38:14,069 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-10-17 17:38:14,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_048ed57e-c11d-4677-a420-2e50375b5697/bin/utaipan-G1rejxKTta/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-10-17 17:38:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:38:14,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 17:38:14,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:38:14,282 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 17:38:14,295 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 17:38:14,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:38:14,400 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-10-17 17:38:14,427 INFO L356 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-10-17 17:38:14,428 INFO L390 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 [2022-10-17 17:38:14,462 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 17:38:14,463 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 17:38:14,463 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-10-17 17:38:14,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [423773123] [2022-10-17 17:38:14,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [423773123] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:38:14,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:38:14,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:38:14,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940306461] [2022-10-17 17:38:14,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:38:14,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 17:38:14,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-10-17 17:38:14,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 17:38:14,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-17 17:38:14,467 INFO L87 Difference]: Start difference. First operand 1456 states and 1745 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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)