./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash baa0361131df5a78c0a8a4c29ba2893696394b78f626b1aa1f97e06e0771e5c0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:46:48,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:46:48,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:46:48,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:46:48,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:46:48,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:46:48,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:46:48,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:46:48,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:46:48,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:46:48,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:46:48,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:46:48,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:46:48,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:46:48,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:46:48,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:46:48,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:46:48,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:46:48,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:46:48,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:46:48,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:46:48,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:46:48,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:46:48,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:46:48,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:46:48,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:46:48,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:46:48,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:46:48,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:46:48,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:46:48,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:46:48,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:46:48,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:46:48,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:46:48,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:46:48,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:46:48,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:46:48,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:46:48,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:46:48,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:46:48,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:46:48,912 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 04:46:48,953 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:46:48,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:46:48,954 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:46:48,954 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:46:48,954 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:46:48,954 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:46:48,955 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:46:48,955 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:46:48,962 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:46:48,962 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:46:48,966 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:46:48,967 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:46:48,967 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:46:48,967 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:46:48,967 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:46:48,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:46:48,968 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:46:48,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:46:48,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:46:48,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:46:48,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:46:48,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:46:48,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:46:48,970 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:46:48,970 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:46:48,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:46:48,970 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:46:48,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:46:48,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:46:48,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:46:48,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:46:48,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:46:48,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:46:48,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:46:48,972 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:46:48,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:46:48,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:46:48,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:46:48,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:46:48,973 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> baa0361131df5a78c0a8a4c29ba2893696394b78f626b1aa1f97e06e0771e5c0 [2021-11-03 04:46:49,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:46:49,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:46:49,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:46:49,280 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:46:49,281 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:46:49,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2021-11-03 04:46:49,369 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/data/0fbdd800c/5e8a664ba575454780411d1b2ca54198/FLAG413f32a58 [2021-11-03 04:46:49,810 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:46:49,810 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2021-11-03 04:46:49,819 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/data/0fbdd800c/5e8a664ba575454780411d1b2ca54198/FLAG413f32a58 [2021-11-03 04:46:50,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/data/0fbdd800c/5e8a664ba575454780411d1b2ca54198 [2021-11-03 04:46:50,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:46:50,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:46:50,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:46:50,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:46:50,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:46:50,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:46:50" (1/1) ... [2021-11-03 04:46:50,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17c6bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:46:50, skipping insertion in model container [2021-11-03 04:46:50,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:46:50" (1/1) ... [2021-11-03 04:46:50,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:46:50,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:46:50,544 WARN L228 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_c54864de-66a5-407a-ab43-f10dc167c77b/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2021-11-03 04:46:50,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:46:50,571 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-03 04:46:50,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7c412534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:46:50, skipping insertion in model container [2021-11-03 04:46:50,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:46:50,573 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 04:46:50,576 INFO L168 Benchmark]: Toolchain (without parser) took 401.06 ms. Allocated memory is still 136.3 MB. Free memory was 98.8 MB in the beginning and 106.9 MB in the end (delta: -8.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:46:50,577 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 83.9 MB. Free memory was 54.3 MB in the beginning and 54.3 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:46:50,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.52 ms. Allocated memory is still 136.3 MB. Free memory was 98.6 MB in the beginning and 106.9 MB in the end (delta: -8.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:46:50,581 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 83.9 MB. Free memory was 54.3 MB in the beginning and 54.3 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 398.52 ms. Allocated memory is still 136.3 MB. Free memory was 98.6 MB in the beginning and 106.9 MB in the end (delta: -8.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 429]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash baa0361131df5a78c0a8a4c29ba2893696394b78f626b1aa1f97e06e0771e5c0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:46:52,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:46:52,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:46:52,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:46:52,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:46:52,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:46:52,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:46:52,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:46:52,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:46:52,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:46:52,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:46:52,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:46:52,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:46:52,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:46:52,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:46:52,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:46:52,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:46:52,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:46:52,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:46:52,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:46:52,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:46:52,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:46:52,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:46:52,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:46:52,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:46:52,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:46:52,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:46:52,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:46:52,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:46:52,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:46:52,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:46:52,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:46:52,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:46:52,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:46:52,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:46:52,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:46:52,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:46:52,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:46:52,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:46:52,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:46:52,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:46:52,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 04:46:52,988 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:46:52,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:46:52,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:46:52,990 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:46:52,990 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:46:52,990 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:46:52,990 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:46:52,991 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:46:52,991 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:46:52,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:46:52,994 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:46:52,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:46:52,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:46:52,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:46:52,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:46:52,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:46:52,995 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:46:52,995 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:46:52,995 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:46:52,995 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:46:52,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:46:52,996 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:46:52,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:46:52,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:46:52,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:46:52,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:46:52,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:46:52,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:46:52,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:46:52,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:46:52,997 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:46:52,998 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:46:52,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:46:52,998 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:46:52,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:46:52,999 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_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> baa0361131df5a78c0a8a4c29ba2893696394b78f626b1aa1f97e06e0771e5c0 [2021-11-03 04:46:53,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:46:53,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:46:53,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:46:53,402 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:46:53,402 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:46:53,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2021-11-03 04:46:53,464 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/data/d5e9ee427/0442721b623641fc91dc71a2a8b489ca/FLAGae2b71ec8 [2021-11-03 04:46:54,025 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:46:54,026 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2021-11-03 04:46:54,042 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/data/d5e9ee427/0442721b623641fc91dc71a2a8b489ca/FLAGae2b71ec8 [2021-11-03 04:46:54,328 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/data/d5e9ee427/0442721b623641fc91dc71a2a8b489ca [2021-11-03 04:46:54,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:46:54,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:46:54,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:46:54,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:46:54,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:46:54,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:46:54" (1/1) ... [2021-11-03 04:46:54,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506d789d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:46:54, skipping insertion in model container [2021-11-03 04:46:54,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:46:54" (1/1) ... [2021-11-03 04:46:54,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:46:54,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:46:54,611 WARN L228 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_c54864de-66a5-407a-ab43-f10dc167c77b/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2021-11-03 04:46:54,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:46:54,627 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:46:54,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:46:54,716 WARN L228 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_c54864de-66a5-407a-ab43-f10dc167c77b/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2021-11-03 04:46:54,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:46:54,729 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:46:54,868 WARN L228 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_c54864de-66a5-407a-ab43-f10dc167c77b/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2021-11-03 04:46:54,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:46:54,889 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:46:54,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:46:54 WrapperNode [2021-11-03 04:46:54,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:46:54,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:46:54,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:46:54,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:46:54,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:46:54" (1/1) ... [2021-11-03 04:46:54,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:46:54" (1/1) ... [2021-11-03 04:46:54,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:46:54,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:46:54,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:46:54,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:46:54,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:46:54" (1/1) ... [2021-11-03 04:46:54,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:46:54" (1/1) ... [2021-11-03 04:46:55,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:46:54" (1/1) ... [2021-11-03 04:46:55,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:46:54" (1/1) ... [2021-11-03 04:46:55,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:46:54" (1/1) ... [2021-11-03 04:46:55,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:46:54" (1/1) ... [2021-11-03 04:46:55,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:46:54" (1/1) ... [2021-11-03 04:46:55,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:46:55,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:46:55,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:46:55,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:46:55,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:46:54" (1/1) ... [2021-11-03 04:46:55,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:46:55,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:46:55,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:46:55,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:46:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2021-11-03 04:46:55,195 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2021-11-03 04:46:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 04:46:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 04:46:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-03 04:46:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:46:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 04:46:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:46:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:46:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 04:46:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-03 04:46:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:46:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-11-03 04:46:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:46:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:46:55,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:46:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 04:46:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:46:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 04:46:56,693 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:46:56,693 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2021-11-03 04:46:56,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:46:56 BoogieIcfgContainer [2021-11-03 04:46:56,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:46:56,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:46:56,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:46:56,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:46:56,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:46:54" (1/3) ... [2021-11-03 04:46:56,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da074d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:46:56, skipping insertion in model container [2021-11-03 04:46:56,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:46:54" (2/3) ... [2021-11-03 04:46:56,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da074d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:46:56, skipping insertion in model container [2021-11-03 04:46:56,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:46:56" (3/3) ... [2021-11-03 04:46:56,703 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2021-11-03 04:46:56,708 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:46:56,708 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 04:46:56,765 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:46:56,778 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 04:46:56,784 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 04:46:56,815 INFO L276 IsEmpty]: Start isEmpty. Operand has 176 states, 171 states have (on average 1.6491228070175439) internal successors, (282), 172 states have internal predecessors, (282), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-03 04:46:56,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-03 04:46:56,826 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:46:56,826 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:46:56,827 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:46:56,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:46:56,832 INFO L85 PathProgramCache]: Analyzing trace with hash 437048265, now seen corresponding path program 1 times [2021-11-03 04:46:56,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:46:56,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061592025] [2021-11-03 04:46:56,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:46:56,858 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:46:56,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:46:56,865 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:46:56,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:46:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:46:57,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 04:46:57,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:46:57,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:46:57,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:46:57,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:46:57,297 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:46:57,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1061592025] [2021-11-03 04:46:57,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1061592025] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:46:57,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:46:57,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 04:46:57,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907960439] [2021-11-03 04:46:57,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:46:57,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:46:57,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:46:57,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:46:57,325 INFO L87 Difference]: Start difference. First operand has 176 states, 171 states have (on average 1.6491228070175439) internal successors, (282), 172 states have internal predecessors, (282), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:46:57,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:46:57,385 INFO L93 Difference]: Finished difference Result 347 states and 566 transitions. [2021-11-03 04:46:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:46:57,386 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-03 04:46:57,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:46:57,401 INFO L225 Difference]: With dead ends: 347 [2021-11-03 04:46:57,401 INFO L226 Difference]: Without dead ends: 172 [2021-11-03 04:46:57,405 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:46:57,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-11-03 04:46:57,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2021-11-03 04:46:57,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 168 states have (on average 1.5773809523809523) internal successors, (265), 169 states have internal predecessors, (265), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-03 04:46:57,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 268 transitions. [2021-11-03 04:46:57,481 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 268 transitions. Word has length 19 [2021-11-03 04:46:57,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:46:57,481 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 268 transitions. [2021-11-03 04:46:57,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:46:57,482 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 268 transitions. [2021-11-03 04:46:57,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-03 04:46:57,486 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:46:57,486 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:46:57,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:46:57,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:46:57,697 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:46:57,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:46:57,702 INFO L85 PathProgramCache]: Analyzing trace with hash -794654387, now seen corresponding path program 1 times [2021-11-03 04:46:57,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:46:57,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1565538139] [2021-11-03 04:46:57,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:46:57,706 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:46:57,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:46:57,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:46:57,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:46:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:46:58,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:46:58,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:46:58,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:46:58,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:46:58,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:46:58,203 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:46:58,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1565538139] [2021-11-03 04:46:58,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1565538139] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:46:58,204 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:46:58,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:46:58,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045066931] [2021-11-03 04:46:58,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:46:58,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:46:58,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:46:58,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:46:58,214 INFO L87 Difference]: Start difference. First operand 172 states and 268 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:46:58,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:46:58,365 INFO L93 Difference]: Finished difference Result 632 states and 1003 transitions. [2021-11-03 04:46:58,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:46:58,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-03 04:46:58,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:46:58,376 INFO L225 Difference]: With dead ends: 632 [2021-11-03 04:46:58,377 INFO L226 Difference]: Without dead ends: 465 [2021-11-03 04:46:58,381 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:46:58,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2021-11-03 04:46:58,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 175. [2021-11-03 04:46:58,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 171 states have (on average 1.567251461988304) internal successors, (268), 172 states have internal predecessors, (268), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-03 04:46:58,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 271 transitions. [2021-11-03 04:46:58,410 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 271 transitions. Word has length 19 [2021-11-03 04:46:58,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:46:58,411 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 271 transitions. [2021-11-03 04:46:58,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:46:58,411 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 271 transitions. [2021-11-03 04:46:58,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-03 04:46:58,418 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:46:58,418 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:46:58,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:46:58,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:46:58,633 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:46:58,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:46:58,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1467108783, now seen corresponding path program 1 times [2021-11-03 04:46:58,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:46:58,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1086542554] [2021-11-03 04:46:58,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:46:58,634 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:46:58,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:46:58,641 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:46:58,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:46:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:46:58,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:46:58,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:46:58,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:46:58,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:46:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:46:59,096 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:46:59,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1086542554] [2021-11-03 04:46:59,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1086542554] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:46:59,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1109124987] [2021-11-03 04:46:59,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:46:59,097 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 04:46:59,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 04:46:59,103 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 04:46:59,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-03 04:46:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:46:59,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:46:59,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:46:59,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-03 04:46:59,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:46:59,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-03 04:46:59,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1109124987] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:46:59,556 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 04:46:59,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 12 [2021-11-03 04:46:59,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251542575] [2021-11-03 04:46:59,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 04:46:59,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:46:59,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 04:46:59,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-11-03 04:46:59,558 INFO L87 Difference]: Start difference. First operand 175 states and 271 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:46:59,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:46:59,646 INFO L93 Difference]: Finished difference Result 250 states and 363 transitions. [2021-11-03 04:46:59,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 04:46:59,647 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-03 04:46:59,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:46:59,650 INFO L225 Difference]: With dead ends: 250 [2021-11-03 04:46:59,650 INFO L226 Difference]: Without dead ends: 227 [2021-11-03 04:46:59,651 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-11-03 04:46:59,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-03 04:46:59,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 207. [2021-11-03 04:46:59,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 200 states have (on average 1.52) internal successors, (304), 200 states have internal predecessors, (304), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-03 04:46:59,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 311 transitions. [2021-11-03 04:46:59,665 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 311 transitions. Word has length 23 [2021-11-03 04:46:59,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:46:59,665 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 311 transitions. [2021-11-03 04:46:59,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:46:59,666 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 311 transitions. [2021-11-03 04:46:59,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-03 04:46:59,667 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:46:59,668 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:46:59,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:46:59,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-03 04:47:00,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:47:00,071 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:47:00,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:47:00,072 INFO L85 PathProgramCache]: Analyzing trace with hash -593865932, now seen corresponding path program 1 times [2021-11-03 04:47:00,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:47:00,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1538671904] [2021-11-03 04:47:00,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:00,073 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:47:00,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:47:00,083 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:47:00,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 04:47:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:47:00,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:47:00,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:47:00,463 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 04:47:00,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:47:00,590 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:47:00,590 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:47:00,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1538671904] [2021-11-03 04:47:00,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1538671904] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:47:00,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1583669597] [2021-11-03 04:47:00,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:00,591 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 04:47:00,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 04:47:00,595 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 04:47:00,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-11-03 04:47:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:47:00,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:47:00,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:47:01,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 04:47:01,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:47:01,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-03 04:47:01,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1583669597] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-03 04:47:01,143 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:47:01,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 3] total 10 [2021-11-03 04:47:01,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106875687] [2021-11-03 04:47:01,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:47:01,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:47:01,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:47:01,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:47:01,145 INFO L87 Difference]: Start difference. First operand 207 states and 311 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-03 04:47:01,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:47:01,199 INFO L93 Difference]: Finished difference Result 335 states and 497 transitions. [2021-11-03 04:47:01,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:47:01,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2021-11-03 04:47:01,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:47:01,202 INFO L225 Difference]: With dead ends: 335 [2021-11-03 04:47:01,202 INFO L226 Difference]: Without dead ends: 275 [2021-11-03 04:47:01,203 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:47:01,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-11-03 04:47:01,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 207. [2021-11-03 04:47:01,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 200 states have (on average 1.515) internal successors, (303), 200 states have internal predecessors, (303), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-03 04:47:01,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 310 transitions. [2021-11-03 04:47:01,215 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 310 transitions. Word has length 29 [2021-11-03 04:47:01,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:47:01,216 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 310 transitions. [2021-11-03 04:47:01,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-03 04:47:01,216 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 310 transitions. [2021-11-03 04:47:01,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-03 04:47:01,217 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:47:01,218 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:47:01,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-11-03 04:47:01,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-03 04:47:01,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:47:01,628 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:47:01,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:47:01,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1584716794, now seen corresponding path program 1 times [2021-11-03 04:47:01,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:47:01,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [484630832] [2021-11-03 04:47:01,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:01,630 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:47:01,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:47:01,631 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:47:01,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 04:47:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:47:01,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:47:01,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:47:01,991 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 04:47:01,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:47:02,098 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:47:02,098 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:47:02,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [484630832] [2021-11-03 04:47:02,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [484630832] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:47:02,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1686927048] [2021-11-03 04:47:02,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:02,099 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 04:47:02,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 04:47:02,103 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 04:47:02,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-03 04:47:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:47:02,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:47:02,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:47:02,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 04:47:02,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:47:02,588 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-03 04:47:02,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1686927048] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-03 04:47:02,589 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:47:02,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 3] total 10 [2021-11-03 04:47:02,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745121276] [2021-11-03 04:47:02,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:47:02,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:47:02,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:47:02,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:47:02,591 INFO L87 Difference]: Start difference. First operand 207 states and 310 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-03 04:47:02,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:47:02,648 INFO L93 Difference]: Finished difference Result 265 states and 384 transitions. [2021-11-03 04:47:02,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:47:02,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-11-03 04:47:02,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:47:02,651 INFO L225 Difference]: With dead ends: 265 [2021-11-03 04:47:02,651 INFO L226 Difference]: Without dead ends: 211 [2021-11-03 04:47:02,651 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:47:02,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-11-03 04:47:02,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 208. [2021-11-03 04:47:02,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 201 states have (on average 1.5124378109452736) internal successors, (304), 201 states have internal predecessors, (304), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-03 04:47:02,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 311 transitions. [2021-11-03 04:47:02,660 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 311 transitions. Word has length 30 [2021-11-03 04:47:02,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:47:02,661 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 311 transitions. [2021-11-03 04:47:02,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-03 04:47:02,661 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 311 transitions. [2021-11-03 04:47:02,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-03 04:47:02,662 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:47:02,663 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:47:02,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-03 04:47:02,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-11-03 04:47:03,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 04:47:03,085 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:47:03,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:47:03,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1821622445, now seen corresponding path program 1 times [2021-11-03 04:47:03,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:47:03,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709078994] [2021-11-03 04:47:03,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:03,087 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:47:03,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:47:03,093 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:47:03,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-03 04:47:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:47:03,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:47:03,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:47:03,452 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:47:03,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:47:03,566 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 04:47:03,566 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:47:03,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1709078994] [2021-11-03 04:47:03,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1709078994] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:47:03,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1168627042] [2021-11-03 04:47:03,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:03,567 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 04:47:03,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 04:47:03,575 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 04:47:03,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-03 04:47:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:47:04,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:47:04,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:47:04,155 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:47:04,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:47:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 04:47:04,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1168627042] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:47:04,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558911721] [2021-11-03 04:47:04,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:04,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:47:04,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:47:04,263 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:47:04,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-03 04:47:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:47:04,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:47:04,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:47:04,789 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 04:47:04,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:47:04,898 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 04:47:04,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558911721] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:47:04,898 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-03 04:47:04,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5, 5, 5] total 10 [2021-11-03 04:47:04,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160140382] [2021-11-03 04:47:04,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:47:04,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:47:04,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:47:04,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:47:04,900 INFO L87 Difference]: Start difference. First operand 208 states and 311 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-03 04:47:04,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:47:04,910 INFO L93 Difference]: Finished difference Result 229 states and 335 transitions. [2021-11-03 04:47:04,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:47:04,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2021-11-03 04:47:04,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:47:04,912 INFO L225 Difference]: With dead ends: 229 [2021-11-03 04:47:04,912 INFO L226 Difference]: Without dead ends: 0 [2021-11-03 04:47:04,912 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:47:04,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-03 04:47:04,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-03 04:47:04,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:47:04,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-03 04:47:04,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2021-11-03 04:47:04,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:47:04,914 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-03 04:47:04,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-03 04:47:04,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-03 04:47:04,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-03 04:47:04,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:47:04,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-03 04:47:05,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-03 04:47:05,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-03 04:47:05,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 04:47:05,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-03 04:47:05,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,808 INFO L857 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2021-11-03 04:47:05,808 INFO L857 garLoopResultBuilder]: For program point L11-2(lines 11 14) no Hoare annotation was computed. [2021-11-03 04:47:05,808 INFO L857 garLoopResultBuilder]: For program point Id_MCDC_113EXIT(lines 305 324) no Hoare annotation was computed. [2021-11-03 04:47:05,808 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 320) no Hoare annotation was computed. [2021-11-03 04:47:05,808 INFO L857 garLoopResultBuilder]: For program point L280(lines 280 294) no Hoare annotation was computed. [2021-11-03 04:47:05,808 INFO L857 garLoopResultBuilder]: For program point L313-2(lines 313 320) no Hoare annotation was computed. [2021-11-03 04:47:05,808 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 312) no Hoare annotation was computed. [2021-11-03 04:47:05,808 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 490) no Hoare annotation was computed. [2021-11-03 04:47:05,809 INFO L857 garLoopResultBuilder]: For program point Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION(line 489) no Hoare annotation was computed. [2021-11-03 04:47:05,809 INFO L853 garLoopResultBuilder]: At program point L487-2(lines 485 492) the Hoare annotation is: (and (or (= (_ bv2 32) |Id_MCDC_113_#in~Id_MCDC_111|) (not (= (_ bv2 32) Id_MCDC_113_~Id_MCDC_111))) (= (_ bv1 32) Id_MCDC_113___VERIFIER_assert_~Id_MCDC_121) (or (not (= (_ bv4 32) |Id_MCDC_113_#in~Id_MCDC_111|)) (= (_ bv4 32) Id_MCDC_113_~Id_MCDC_111))) [2021-11-03 04:47:05,809 INFO L860 garLoopResultBuilder]: At program point Id_MCDC_113ENTRY(lines 305 324) the Hoare annotation is: true [2021-11-03 04:47:05,809 INFO L857 garLoopResultBuilder]: For program point Id_MCDC_113FINAL(lines 305 324) no Hoare annotation was computed. [2021-11-03 04:47:05,809 INFO L857 garLoopResultBuilder]: For program point L9(lines 9 15) no Hoare annotation was computed. [2021-11-03 04:47:05,809 INFO L857 garLoopResultBuilder]: For program point L9-1(lines 9 15) no Hoare annotation was computed. [2021-11-03 04:47:05,809 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 294) no Hoare annotation was computed. [2021-11-03 04:47:05,809 INFO L853 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: (and (or (not (= (_ bv4 32) |Id_MCDC_113_#in~Id_MCDC_111|)) (= (_ bv4 32) Id_MCDC_113_~Id_MCDC_111)) (not (= (_ bv2 32) Id_MCDC_113_~Id_MCDC_111))) [2021-11-03 04:47:05,810 INFO L857 garLoopResultBuilder]: For program point L315-1(line 315) no Hoare annotation was computed. [2021-11-03 04:47:05,810 INFO L853 garLoopResultBuilder]: At program point L303(lines 274 304) the Hoare annotation is: (or (= (_ bv2 32) |Id_MCDC_113_#in~Id_MCDC_111|) (not (= (_ bv2 32) Id_MCDC_113_~Id_MCDC_111))) [2021-11-03 04:47:05,810 INFO L857 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2021-11-03 04:47:05,810 INFO L857 garLoopResultBuilder]: For program point L295-1(lines 275 304) no Hoare annotation was computed. [2021-11-03 04:47:05,810 INFO L857 garLoopResultBuilder]: For program point L295-2(lines 295 302) no Hoare annotation was computed. [2021-11-03 04:47:05,810 INFO L857 garLoopResultBuilder]: For program point L333-1(lines 333 340) no Hoare annotation was computed. [2021-11-03 04:47:05,810 INFO L853 garLoopResultBuilder]: At program point L234(lines 234 250) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-11-03 04:47:05,810 INFO L853 garLoopResultBuilder]: At program point L333-3(lines 333 340) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-11-03 04:47:05,810 INFO L853 garLoopResultBuilder]: At program point L234-1(lines 234 250) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-11-03 04:47:05,810 INFO L857 garLoopResultBuilder]: For program point L333-4(lines 333 340) no Hoare annotation was computed. [2021-11-03 04:47:05,811 INFO L853 garLoopResultBuilder]: At program point L234-2(lines 234 250) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-11-03 04:47:05,811 INFO L853 garLoopResultBuilder]: At program point L234-3(lines 234 250) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-11-03 04:47:05,811 INFO L857 garLoopResultBuilder]: For program point L433(line 433) no Hoare annotation was computed. [2021-11-03 04:47:05,811 INFO L857 garLoopResultBuilder]: For program point L433-2(lines 433 440) no Hoare annotation was computed. [2021-11-03 04:47:05,811 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 418) no Hoare annotation was computed. [2021-11-03 04:47:05,811 INFO L853 garLoopResultBuilder]: At program point L401-3(lines 401 418) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-11-03 04:47:05,811 INFO L857 garLoopResultBuilder]: For program point L401-4(lines 401 418) no Hoare annotation was computed. [2021-11-03 04:47:05,811 INFO L857 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2021-11-03 04:47:05,811 INFO L857 garLoopResultBuilder]: For program point L236-2(line 236) no Hoare annotation was computed. [2021-11-03 04:47:05,811 INFO L857 garLoopResultBuilder]: For program point L236-3(line 236) no Hoare annotation was computed. [2021-11-03 04:47:05,811 INFO L857 garLoopResultBuilder]: For program point L236-5(line 236) no Hoare annotation was computed. [2021-11-03 04:47:05,811 INFO L857 garLoopResultBuilder]: For program point L236-6(line 236) no Hoare annotation was computed. [2021-11-03 04:47:05,812 INFO L857 garLoopResultBuilder]: For program point L236-8(line 236) no Hoare annotation was computed. [2021-11-03 04:47:05,812 INFO L857 garLoopResultBuilder]: For program point L236-9(line 236) no Hoare annotation was computed. [2021-11-03 04:47:05,812 INFO L857 garLoopResultBuilder]: For program point L236-11(line 236) no Hoare annotation was computed. [2021-11-03 04:47:05,812 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 339) no Hoare annotation was computed. [2021-11-03 04:47:05,812 INFO L857 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2021-11-03 04:47:05,812 INFO L857 garLoopResultBuilder]: For program point L237-2(line 237) no Hoare annotation was computed. [2021-11-03 04:47:05,812 INFO L857 garLoopResultBuilder]: For program point L237-4(line 237) no Hoare annotation was computed. [2021-11-03 04:47:05,812 INFO L857 garLoopResultBuilder]: For program point L237-6(line 237) no Hoare annotation was computed. [2021-11-03 04:47:05,812 INFO L857 garLoopResultBuilder]: For program point L403(lines 403 406) no Hoare annotation was computed. [2021-11-03 04:47:05,812 INFO L853 garLoopResultBuilder]: At program point L272(lines 218 273) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-11-03 04:47:05,812 INFO L857 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2021-11-03 04:47:05,812 INFO L853 garLoopResultBuilder]: At program point L272-1(lines 218 273) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-11-03 04:47:05,813 INFO L853 garLoopResultBuilder]: At program point L272-2(lines 218 273) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-11-03 04:47:05,813 INFO L857 garLoopResultBuilder]: For program point L239-2(line 239) no Hoare annotation was computed. [2021-11-03 04:47:05,813 INFO L853 garLoopResultBuilder]: At program point L272-3(lines 218 273) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-11-03 04:47:05,813 INFO L857 garLoopResultBuilder]: For program point L239-3(line 239) no Hoare annotation was computed. [2021-11-03 04:47:05,813 INFO L857 garLoopResultBuilder]: For program point L239-5(line 239) no Hoare annotation was computed. [2021-11-03 04:47:05,813 INFO L857 garLoopResultBuilder]: For program point L239-6(line 239) no Hoare annotation was computed. [2021-11-03 04:47:05,813 INFO L857 garLoopResultBuilder]: For program point L239-8(line 239) no Hoare annotation was computed. [2021-11-03 04:47:05,813 INFO L857 garLoopResultBuilder]: For program point L239-9(line 239) no Hoare annotation was computed. [2021-11-03 04:47:05,813 INFO L857 garLoopResultBuilder]: For program point L239-11(line 239) no Hoare annotation was computed. [2021-11-03 04:47:05,813 INFO L857 garLoopResultBuilder]: For program point L240(line 240) no Hoare annotation was computed. [2021-11-03 04:47:05,813 INFO L857 garLoopResultBuilder]: For program point L240-2(line 240) no Hoare annotation was computed. [2021-11-03 04:47:05,814 INFO L857 garLoopResultBuilder]: For program point L240-4(line 240) no Hoare annotation was computed. [2021-11-03 04:47:05,814 INFO L857 garLoopResultBuilder]: For program point L240-6(line 240) no Hoare annotation was computed. [2021-11-03 04:47:05,814 INFO L857 garLoopResultBuilder]: For program point L341(line 341) no Hoare annotation was computed. [2021-11-03 04:47:05,814 INFO L857 garLoopResultBuilder]: For program point L341-2(line 341) no Hoare annotation was computed. [2021-11-03 04:47:05,814 INFO L857 garLoopResultBuilder]: For program point L242(line 242) no Hoare annotation was computed. [2021-11-03 04:47:05,814 INFO L857 garLoopResultBuilder]: For program point L341-3(line 341) no Hoare annotation was computed. [2021-11-03 04:47:05,814 INFO L857 garLoopResultBuilder]: For program point L242-2(line 242) no Hoare annotation was computed. [2021-11-03 04:47:05,814 INFO L857 garLoopResultBuilder]: For program point L341-5(lines 341 353) no Hoare annotation was computed. [2021-11-03 04:47:05,814 INFO L857 garLoopResultBuilder]: For program point L242-3(line 242) no Hoare annotation was computed. [2021-11-03 04:47:05,814 INFO L857 garLoopResultBuilder]: For program point L242-5(line 242) no Hoare annotation was computed. [2021-11-03 04:47:05,814 INFO L857 garLoopResultBuilder]: For program point L242-6(line 242) no Hoare annotation was computed. [2021-11-03 04:47:05,814 INFO L857 garLoopResultBuilder]: For program point L242-8(line 242) no Hoare annotation was computed. [2021-11-03 04:47:05,814 INFO L857 garLoopResultBuilder]: For program point L242-9(line 242) no Hoare annotation was computed. [2021-11-03 04:47:05,815 INFO L857 garLoopResultBuilder]: For program point L242-11(line 242) no Hoare annotation was computed. [2021-11-03 04:47:05,815 INFO L857 garLoopResultBuilder]: For program point L243(line 243) no Hoare annotation was computed. [2021-11-03 04:47:05,815 INFO L857 garLoopResultBuilder]: For program point L243-2(line 243) no Hoare annotation was computed. [2021-11-03 04:47:05,815 INFO L857 garLoopResultBuilder]: For program point L243-4(line 243) no Hoare annotation was computed. [2021-11-03 04:47:05,815 INFO L857 garLoopResultBuilder]: For program point L243-6(line 243) no Hoare annotation was computed. [2021-11-03 04:47:05,815 INFO L857 garLoopResultBuilder]: For program point L442(line 442) no Hoare annotation was computed. [2021-11-03 04:47:05,820 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 348) no Hoare annotation was computed. [2021-11-03 04:47:05,820 INFO L857 garLoopResultBuilder]: For program point L343-1(lines 341 353) no Hoare annotation was computed. [2021-11-03 04:47:05,820 INFO L860 garLoopResultBuilder]: At program point L443(lines 452 484) the Hoare annotation is: true [2021-11-03 04:47:05,821 INFO L857 garLoopResultBuilder]: For program point L377-2(lines 377 380) no Hoare annotation was computed. [2021-11-03 04:47:05,821 INFO L853 garLoopResultBuilder]: At program point L377-3(lines 377 380) the Hoare annotation is: (and (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) (= (_ bv6144 32) ULTIMATE.start_Id_MCDC_115_~Id_MCDC_141~0)) [2021-11-03 04:47:05,821 INFO L857 garLoopResultBuilder]: For program point L377-4(lines 357 424) no Hoare annotation was computed. [2021-11-03 04:47:05,821 INFO L857 garLoopResultBuilder]: For program point L245(line 245) no Hoare annotation was computed. [2021-11-03 04:47:05,821 INFO L857 garLoopResultBuilder]: For program point L245-2(line 245) no Hoare annotation was computed. [2021-11-03 04:47:05,821 INFO L857 garLoopResultBuilder]: For program point L245-3(line 245) no Hoare annotation was computed. [2021-11-03 04:47:05,821 INFO L857 garLoopResultBuilder]: For program point L245-5(line 245) no Hoare annotation was computed. [2021-11-03 04:47:05,822 INFO L857 garLoopResultBuilder]: For program point L245-6(line 245) no Hoare annotation was computed. [2021-11-03 04:47:05,822 INFO L857 garLoopResultBuilder]: For program point L245-8(line 245) no Hoare annotation was computed. [2021-11-03 04:47:05,822 INFO L857 garLoopResultBuilder]: For program point L245-9(line 245) no Hoare annotation was computed. [2021-11-03 04:47:05,822 INFO L857 garLoopResultBuilder]: For program point L245-11(line 245) no Hoare annotation was computed. [2021-11-03 04:47:05,822 INFO L857 garLoopResultBuilder]: For program point L246(line 246) no Hoare annotation was computed. [2021-11-03 04:47:05,822 INFO L857 garLoopResultBuilder]: For program point L246-2(line 246) no Hoare annotation was computed. [2021-11-03 04:47:05,823 INFO L857 garLoopResultBuilder]: For program point L246-4(line 246) no Hoare annotation was computed. [2021-11-03 04:47:05,823 INFO L857 garLoopResultBuilder]: For program point L246-6(line 246) no Hoare annotation was computed. [2021-11-03 04:47:05,823 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 481) no Hoare annotation was computed. [2021-11-03 04:47:05,823 INFO L857 garLoopResultBuilder]: For program point L248(line 248) no Hoare annotation was computed. [2021-11-03 04:47:05,823 INFO L857 garLoopResultBuilder]: For program point L248-2(line 248) no Hoare annotation was computed. [2021-11-03 04:47:05,823 INFO L857 garLoopResultBuilder]: For program point L248-4(line 248) no Hoare annotation was computed. [2021-11-03 04:47:05,823 INFO L857 garLoopResultBuilder]: For program point L248-6(line 248) no Hoare annotation was computed. [2021-11-03 04:47:05,824 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 417) no Hoare annotation was computed. [2021-11-03 04:47:05,824 INFO L857 garLoopResultBuilder]: For program point L381(lines 381 422) no Hoare annotation was computed. [2021-11-03 04:47:05,824 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-03 04:47:05,824 INFO L857 garLoopResultBuilder]: For program point L383-2(lines 383 421) no Hoare annotation was computed. [2021-11-03 04:47:05,824 INFO L853 garLoopResultBuilder]: At program point L383-3(lines 383 421) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-11-03 04:47:05,824 INFO L857 garLoopResultBuilder]: For program point L251-1(lines 251 258) no Hoare annotation was computed. [2021-11-03 04:47:05,825 INFO L853 garLoopResultBuilder]: At program point L251-3(lines 251 258) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-11-03 04:47:05,826 INFO L857 garLoopResultBuilder]: For program point L251-4(lines 251 258) no Hoare annotation was computed. [2021-11-03 04:47:05,826 INFO L857 garLoopResultBuilder]: For program point L251-6(lines 251 258) no Hoare annotation was computed. [2021-11-03 04:47:05,826 INFO L853 garLoopResultBuilder]: At program point L251-8(lines 251 258) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-11-03 04:47:05,826 INFO L857 garLoopResultBuilder]: For program point L251-9(lines 251 258) no Hoare annotation was computed. [2021-11-03 04:47:05,826 INFO L857 garLoopResultBuilder]: For program point L251-11(lines 251 258) no Hoare annotation was computed. [2021-11-03 04:47:05,826 INFO L853 garLoopResultBuilder]: At program point L251-13(lines 251 258) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-11-03 04:47:05,826 INFO L857 garLoopResultBuilder]: For program point L251-14(lines 251 258) no Hoare annotation was computed. [2021-11-03 04:47:05,827 INFO L857 garLoopResultBuilder]: For program point L251-16(lines 251 258) no Hoare annotation was computed. [2021-11-03 04:47:05,827 INFO L853 garLoopResultBuilder]: At program point L251-18(lines 251 258) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-11-03 04:47:05,827 INFO L857 garLoopResultBuilder]: For program point L251-19(lines 251 258) no Hoare annotation was computed. [2021-11-03 04:47:05,828 INFO L857 garLoopResultBuilder]: For program point L386(lines 386 389) no Hoare annotation was computed. [2021-11-03 04:47:05,828 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 257) no Hoare annotation was computed. [2021-11-03 04:47:05,828 INFO L857 garLoopResultBuilder]: For program point L254-1(lines 254 257) no Hoare annotation was computed. [2021-11-03 04:47:05,828 INFO L857 garLoopResultBuilder]: For program point L254-2(lines 254 257) no Hoare annotation was computed. [2021-11-03 04:47:05,828 INFO L857 garLoopResultBuilder]: For program point L254-3(lines 254 257) no Hoare annotation was computed. [2021-11-03 04:47:05,828 INFO L853 garLoopResultBuilder]: At program point L354(lines 325 355) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-11-03 04:47:05,829 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-03 04:47:05,829 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 226) no Hoare annotation was computed. [2021-11-03 04:47:05,829 INFO L857 garLoopResultBuilder]: For program point L223-1(lines 223 226) no Hoare annotation was computed. [2021-11-03 04:47:05,829 INFO L857 garLoopResultBuilder]: For program point L223-2(lines 223 226) no Hoare annotation was computed. [2021-11-03 04:47:05,829 INFO L857 garLoopResultBuilder]: For program point L223-3(lines 223 226) no Hoare annotation was computed. [2021-11-03 04:47:05,829 INFO L853 garLoopResultBuilder]: At program point L423(lines 356 424) the Hoare annotation is: (= ULTIMATE.start_Id_MCDC_117_~Id_MCDC_158~0 (_ bv0 32)) [2021-11-03 04:47:05,829 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 393) no Hoare annotation was computed. [2021-11-03 04:47:05,830 INFO L857 garLoopResultBuilder]: For program point L259(line 259) no Hoare annotation was computed. [2021-11-03 04:47:05,830 INFO L857 garLoopResultBuilder]: For program point L259-2(line 259) no Hoare annotation was computed. [2021-11-03 04:47:05,830 INFO L857 garLoopResultBuilder]: For program point L259-3(line 259) no Hoare annotation was computed. [2021-11-03 04:47:05,830 INFO L857 garLoopResultBuilder]: For program point L259-5(lines 259 271) no Hoare annotation was computed. [2021-11-03 04:47:05,830 INFO L857 garLoopResultBuilder]: For program point L259-6(line 259) no Hoare annotation was computed. [2021-11-03 04:47:05,830 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-03 04:47:05,830 INFO L857 garLoopResultBuilder]: For program point L259-8(line 259) no Hoare annotation was computed. [2021-11-03 04:47:05,831 INFO L857 garLoopResultBuilder]: For program point L259-9(line 259) no Hoare annotation was computed. [2021-11-03 04:47:05,831 INFO L857 garLoopResultBuilder]: For program point L259-11(lines 259 271) no Hoare annotation was computed. [2021-11-03 04:47:05,831 INFO L857 garLoopResultBuilder]: For program point L259-12(line 259) no Hoare annotation was computed. [2021-11-03 04:47:05,831 INFO L857 garLoopResultBuilder]: For program point L259-14(line 259) no Hoare annotation was computed. [2021-11-03 04:47:05,831 INFO L857 garLoopResultBuilder]: For program point L259-15(line 259) no Hoare annotation was computed. [2021-11-03 04:47:05,831 INFO L857 garLoopResultBuilder]: For program point L259-17(lines 259 271) no Hoare annotation was computed. [2021-11-03 04:47:05,831 INFO L857 garLoopResultBuilder]: For program point L259-18(line 259) no Hoare annotation was computed. [2021-11-03 04:47:05,832 INFO L857 garLoopResultBuilder]: For program point L259-20(line 259) no Hoare annotation was computed. [2021-11-03 04:47:05,832 INFO L857 garLoopResultBuilder]: For program point L259-21(line 259) no Hoare annotation was computed. [2021-11-03 04:47:05,833 INFO L857 garLoopResultBuilder]: For program point L259-23(lines 259 271) no Hoare annotation was computed. [2021-11-03 04:47:05,833 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 233) no Hoare annotation was computed. [2021-11-03 04:47:05,833 INFO L857 garLoopResultBuilder]: For program point L227-2(lines 227 233) no Hoare annotation was computed. [2021-11-03 04:47:05,833 INFO L857 garLoopResultBuilder]: For program point L227-3(lines 227 233) no Hoare annotation was computed. [2021-11-03 04:47:05,833 INFO L857 garLoopResultBuilder]: For program point L227-5(lines 227 233) no Hoare annotation was computed. [2021-11-03 04:47:05,833 INFO L857 garLoopResultBuilder]: For program point L227-6(lines 227 233) no Hoare annotation was computed. [2021-11-03 04:47:05,833 INFO L857 garLoopResultBuilder]: For program point L227-8(lines 227 233) no Hoare annotation was computed. [2021-11-03 04:47:05,834 INFO L857 garLoopResultBuilder]: For program point L227-9(lines 227 233) no Hoare annotation was computed. [2021-11-03 04:47:05,834 INFO L857 garLoopResultBuilder]: For program point L227-11(lines 227 233) no Hoare annotation was computed. [2021-11-03 04:47:05,834 INFO L857 garLoopResultBuilder]: For program point L261(lines 261 266) no Hoare annotation was computed. [2021-11-03 04:47:05,834 INFO L857 garLoopResultBuilder]: For program point L261-1(lines 259 271) no Hoare annotation was computed. [2021-11-03 04:47:05,834 INFO L857 garLoopResultBuilder]: For program point L261-2(lines 261 266) no Hoare annotation was computed. [2021-11-03 04:47:05,834 INFO L857 garLoopResultBuilder]: For program point L261-3(lines 259 271) no Hoare annotation was computed. [2021-11-03 04:47:05,834 INFO L857 garLoopResultBuilder]: For program point L261-4(lines 261 266) no Hoare annotation was computed. [2021-11-03 04:47:05,835 INFO L857 garLoopResultBuilder]: For program point L261-5(lines 259 271) no Hoare annotation was computed. [2021-11-03 04:47:05,835 INFO L857 garLoopResultBuilder]: For program point L261-6(lines 261 266) no Hoare annotation was computed. [2021-11-03 04:47:05,835 INFO L857 garLoopResultBuilder]: For program point L261-7(lines 259 271) no Hoare annotation was computed. [2021-11-03 04:47:05,835 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2021-11-03 04:47:05,835 INFO L857 garLoopResultBuilder]: For program point L229-1(lines 229 232) no Hoare annotation was computed. [2021-11-03 04:47:05,835 INFO L857 garLoopResultBuilder]: For program point L229-2(lines 229 232) no Hoare annotation was computed. [2021-11-03 04:47:05,835 INFO L857 garLoopResultBuilder]: For program point L229-3(lines 229 232) no Hoare annotation was computed. [2021-11-03 04:47:05,836 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 332) no Hoare annotation was computed. [2021-11-03 04:47:05,836 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-03 04:47:05,836 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 399) no Hoare annotation was computed. [2021-11-03 04:47:05,836 INFO L857 garLoopResultBuilder]: For program point L431-2(lines 431 441) no Hoare annotation was computed. [2021-11-03 04:47:05,837 INFO L860 garLoopResultBuilder]: At program point L431-3(lines 431 441) the Hoare annotation is: true [2021-11-03 04:47:05,837 INFO L860 garLoopResultBuilder]: At program point L431-4(lines 431 441) the Hoare annotation is: true [2021-11-03 04:47:05,840 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-03 04:47:05,841 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 04:47:05,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:47:05 BoogieIcfgContainer [2021-11-03 04:47:05,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 04:47:05,871 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 04:47:05,871 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 04:47:05,871 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 04:47:05,872 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:46:56" (3/4) ... [2021-11-03 04:47:05,877 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-03 04:47:05,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_113 [2021-11-03 04:47:05,910 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2021-11-03 04:47:05,912 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-03 04:47:05,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-03 04:47:05,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-03 04:47:05,917 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 04:47:05,918 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 04:47:05,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 2bv32 == \old(Id_MCDC_111) || !(2bv32 == Id_MCDC_111) [2021-11-03 04:47:05,962 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2bv32 == \old(Id_MCDC_111) || !(2bv32 == Id_MCDC_111)) && 1bv32 == Id_MCDC_121) && (!(4bv32 == \old(Id_MCDC_111)) || 4bv32 == Id_MCDC_111) [2021-11-03 04:47:06,055 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/witness.graphml [2021-11-03 04:47:06,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 04:47:06,057 INFO L168 Benchmark]: Toolchain (without parser) took 11722.97 ms. Allocated memory was 52.4 MB in the beginning and 117.4 MB in the end (delta: 65.0 MB). Free memory was 28.5 MB in the beginning and 78.6 MB in the end (delta: -50.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:47:06,057 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory was 33.9 MB in the beginning and 33.9 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:47:06,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.45 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 28.3 MB in the beginning and 47.4 MB in the end (delta: -19.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2021-11-03 04:47:06,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.98 ms. Allocated memory is still 69.2 MB. Free memory was 47.4 MB in the beginning and 42.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-03 04:47:06,058 INFO L168 Benchmark]: Boogie Preprocessor took 90.69 ms. Allocated memory is still 69.2 MB. Free memory was 42.7 MB in the beginning and 37.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:47:06,059 INFO L168 Benchmark]: RCFGBuilder took 1615.22 ms. Allocated memory is still 69.2 MB. Free memory was 37.7 MB in the beginning and 34.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-11-03 04:47:06,059 INFO L168 Benchmark]: TraceAbstraction took 9173.20 ms. Allocated memory was 69.2 MB in the beginning and 117.4 MB in the end (delta: 48.2 MB). Free memory was 33.9 MB in the beginning and 34.4 MB in the end (delta: -509.4 kB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB. [2021-11-03 04:47:06,060 INFO L168 Benchmark]: Witness Printer took 183.94 ms. Allocated memory is still 117.4 MB. Free memory was 34.4 MB in the beginning and 78.6 MB in the end (delta: -44.1 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. [2021-11-03 04:47:06,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory was 33.9 MB in the beginning and 33.9 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 556.45 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 28.3 MB in the beginning and 47.4 MB in the end (delta: -19.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.98 ms. Allocated memory is still 69.2 MB. Free memory was 47.4 MB in the beginning and 42.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.69 ms. Allocated memory is still 69.2 MB. Free memory was 42.7 MB in the beginning and 37.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1615.22 ms. Allocated memory is still 69.2 MB. Free memory was 37.7 MB in the beginning and 34.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9173.20 ms. Allocated memory was 69.2 MB in the beginning and 117.4 MB in the end (delta: 48.2 MB). Free memory was 33.9 MB in the beginning and 34.4 MB in the end (delta: -509.4 kB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB. * Witness Printer took 183.94 ms. Allocated memory is still 117.4 MB. Free memory was 34.4 MB in the beginning and 78.6 MB in the end (delta: -44.1 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 489]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 176 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1761 SDtfs, 1173 SDslu, 2143 SDs, 0 SdLazy, 58 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 588 GetRequests, 550 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred in iteration=5, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 381 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 85 PreInvPairs, 125 NumberOfFragments, 103 HoareAnnotationTreeSize, 85 FomulaSimplifications, 35 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 586 ConstructedInterpolants, 0 QuantifiedInterpolants, 804 SizeOfPredicates, 14 NumberOfNonLiveVariables, 2685 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 54/106 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 && 6144bv32 == Id_MCDC_141 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 2bv32 == \old(Id_MCDC_111) || !(2bv32 == Id_MCDC_111) - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: ((2bv32 == \old(Id_MCDC_111) || !(2bv32 == Id_MCDC_111)) && 1bv32 == Id_MCDC_121) && (!(4bv32 == \old(Id_MCDC_111)) || 4bv32 == Id_MCDC_111) - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: Id_MCDC_158 == 0bv32 RESULT: Ultimate proved your program to be correct! [2021-11-03 04:47:06,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54864de-66a5-407a-ab43-f10dc167c77b/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE