./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG --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 af4f743cc6be4267a21638b2aaf4488875c5d1d37960e5576634d1fd02e8bed4 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG --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 af4f743cc6be4267a21638b2aaf4488875c5d1d37960e5576634d1fd02e8bed4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:57:40,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:57:40,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:57:41,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:57:41,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:57:41,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:57:41,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:57:41,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:57:41,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:57:41,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:57:41,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:57:41,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:57:41,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:57:41,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:57:41,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:57:41,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:57:41,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:57:41,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:57:41,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:57:41,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:57:41,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:57:41,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:57:41,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:57:41,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:57:41,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:57:41,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:57:41,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:57:41,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:57:41,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:57:41,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:57:41,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:57:41,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:57:41,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:57:41,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:57:41,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:57:41,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:57:41,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:57:41,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:57:41,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:57:41,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:57:41,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:57:41,102 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:57:41,144 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:57:41,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:57:41,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:57:41,145 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:57:41,145 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:57:41,145 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:57:41,145 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:57:41,146 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:57:41,146 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:57:41,146 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:57:41,146 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:57:41,146 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:57:41,147 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:57:41,147 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:57:41,147 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:57:41,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:57:41,148 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:57:41,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:57:41,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:57:41,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:57:41,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:57:41,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:57:41,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:57:41,149 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:57:41,149 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:57:41,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:57:41,150 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:57:41,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:57:41,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:57:41,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:57:41,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:57:41,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:57:41,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:57:41,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:57:41,151 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:57:41,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:57:41,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:57:41,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:57:41,152 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:57:41,152 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_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af4f743cc6be4267a21638b2aaf4488875c5d1d37960e5576634d1fd02e8bed4 [2021-10-29 05:57:41,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:57:41,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:57:41,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:57:41,455 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:57:41,456 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:57:41,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2021-10-29 05:57:41,526 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/data/c555ef65a/1895c075a01148ada8e68cd75682d150/FLAG58c3f69c9 [2021-10-29 05:57:42,052 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:57:42,053 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2021-10-29 05:57:42,080 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/data/c555ef65a/1895c075a01148ada8e68cd75682d150/FLAG58c3f69c9 [2021-10-29 05:57:42,402 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/data/c555ef65a/1895c075a01148ada8e68cd75682d150 [2021-10-29 05:57:42,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:57:42,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:57:42,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:57:42,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:57:42,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:57:42,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:57:42" (1/1) ... [2021-10-29 05:57:42,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14056a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:57:42, skipping insertion in model container [2021-10-29 05:57:42,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:57:42" (1/1) ... [2021-10-29 05:57:42,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:57:42,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:57:42,642 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_eb4eea35-dac4-4a19-8f9a-015bcaf70145/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c[1605,1618] [2021-10-29 05:57:42,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:57:42,758 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 05:57:42,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e8ff2a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:57:42, skipping insertion in model container [2021-10-29 05:57:42,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:57:42,759 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:57:42,769 INFO L168 Benchmark]: Toolchain (without parser) took 353.00 ms. Allocated memory is still 92.3 MB. Free memory was 69.7 MB in the beginning and 63.5 MB in the end (delta: 6.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:57:42,770 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 92.3 MB. Free memory is still 64.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:57:42,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.60 ms. Allocated memory is still 92.3 MB. Free memory was 69.5 MB in the beginning and 63.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:57:42,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 92.3 MB. Free memory is still 64.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 350.60 ms. Allocated memory is still 92.3 MB. Free memory was 69.5 MB in the beginning and 63.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 523]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:57:45,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:57:45,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:57:45,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:57:45,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:57:45,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:57:45,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:57:45,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:57:45,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:57:45,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:57:45,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:57:45,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:57:45,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:57:45,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:57:45,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:57:45,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:57:45,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:57:45,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:57:45,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:57:45,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:57:45,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:57:45,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:57:45,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:57:45,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:57:45,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:57:45,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:57:45,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:57:45,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:57:45,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:57:45,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:57:45,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:57:45,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:57:45,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:57:45,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:57:45,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:57:45,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:57:45,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:57:45,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:57:45,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:57:45,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:57:45,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:57:45,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:57:45,212 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:57:45,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:57:45,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:57:45,214 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:57:45,214 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:57:45,215 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:57:45,215 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:57:45,215 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:57:45,215 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:57:45,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:57:45,218 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:57:45,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:57:45,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:57:45,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:57:45,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:57:45,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:57:45,219 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:57:45,219 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:57:45,220 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:57:45,220 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:57:45,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:57:45,220 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:57:45,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:57:45,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:57:45,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:57:45,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:57:45,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:57:45,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:57:45,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:57:45,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:57:45,223 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:57:45,223 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:57:45,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:57:45,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:57:45,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:57:45,224 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_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af4f743cc6be4267a21638b2aaf4488875c5d1d37960e5576634d1fd02e8bed4 [2021-10-29 05:57:45,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:57:45,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:57:45,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:57:45,656 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:57:45,656 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:57:45,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2021-10-29 05:57:45,740 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/data/fef918986/9baf56cb41ca45df8859db82af83dc34/FLAGbe06c1476 [2021-10-29 05:57:46,312 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:57:46,313 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2021-10-29 05:57:46,333 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/data/fef918986/9baf56cb41ca45df8859db82af83dc34/FLAGbe06c1476 [2021-10-29 05:57:46,663 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/data/fef918986/9baf56cb41ca45df8859db82af83dc34 [2021-10-29 05:57:46,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:57:46,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:57:46,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:57:46,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:57:46,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:57:46,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:57:46" (1/1) ... [2021-10-29 05:57:46,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342debb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:57:46, skipping insertion in model container [2021-10-29 05:57:46,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:57:46" (1/1) ... [2021-10-29 05:57:46,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:57:46,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:57:46,893 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_eb4eea35-dac4-4a19-8f9a-015bcaf70145/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c[1605,1618] [2021-10-29 05:57:47,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:57:47,094 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:57:47,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:57:47,109 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_eb4eea35-dac4-4a19-8f9a-015bcaf70145/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c[1605,1618] [2021-10-29 05:57:47,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:57:47,199 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:57:47,220 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_eb4eea35-dac4-4a19-8f9a-015bcaf70145/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c[1605,1618] [2021-10-29 05:57:47,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:57:47,320 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:57:47,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:57:47 WrapperNode [2021-10-29 05:57:47,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:57:47,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:57:47,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:57:47,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:57:47,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:57:47" (1/1) ... [2021-10-29 05:57:47,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:57:47" (1/1) ... [2021-10-29 05:57:47,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:57:47,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:57:47,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:57:47,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:57:47,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:57:47" (1/1) ... [2021-10-29 05:57:47,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:57:47" (1/1) ... [2021-10-29 05:57:47,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:57:47" (1/1) ... [2021-10-29 05:57:47,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:57:47" (1/1) ... [2021-10-29 05:57:47,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:57:47" (1/1) ... [2021-10-29 05:57:47,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:57:47" (1/1) ... [2021-10-29 05:57:47,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:57:47" (1/1) ... [2021-10-29 05:57:47,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:57:47,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:57:47,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:57:47,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:57:47,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:57:47" (1/1) ... [2021-10-29 05:57:47,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:57:47,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:57:47,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:57:47,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:57:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:57:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:57:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:57:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:57:49,746 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:57:49,747 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-29 05:57:49,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:57:49 BoogieIcfgContainer [2021-10-29 05:57:49,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:57:49,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:57:49,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:57:49,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:57:49,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:57:46" (1/3) ... [2021-10-29 05:57:49,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359e7c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:57:49, skipping insertion in model container [2021-10-29 05:57:49,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:57:47" (2/3) ... [2021-10-29 05:57:49,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359e7c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:57:49, skipping insertion in model container [2021-10-29 05:57:49,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:57:49" (3/3) ... [2021-10-29 05:57:49,756 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product06.cil.c [2021-10-29 05:57:49,762 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:57:49,762 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:57:49,821 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:57:49,826 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 [2021-10-29 05:57:49,827 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:57:49,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:57:49,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 05:57:49,848 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:57:49,849 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:57:49,849 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:57:49,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:57:49,855 INFO L85 PathProgramCache]: Analyzing trace with hash -688968604, now seen corresponding path program 1 times [2021-10-29 05:57:49,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:57:49,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1313967315] [2021-10-29 05:57:49,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:57:49,869 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:57:49,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:57:49,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:57:49,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:57:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:57:50,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:57:50,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:57:50,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:57:50,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:57:50,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:57:50,308 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:57:50,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1313967315] [2021-10-29 05:57:50,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1313967315] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:57:50,309 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:57:50,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:57:50,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464692018] [2021-10-29 05:57:50,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:57:50,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:57:50,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:57:50,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:57:50,335 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:57:50,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:57:50,375 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-29 05:57:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:57:50,376 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-29 05:57:50,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:57:50,387 INFO L225 Difference]: With dead ends: 144 [2021-10-29 05:57:50,388 INFO L226 Difference]: Without dead ends: 71 [2021-10-29 05:57:50,391 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:57:50,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-29 05:57:50,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-29 05:57:50,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 70 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:57:50,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-29 05:57:50,442 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2021-10-29 05:57:50,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:57:50,443 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-29 05:57:50,443 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:57:50,443 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-29 05:57:50,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:57:50,445 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:57:50,445 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:57:50,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:57:50,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:57:50,659 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:57:50,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:57:50,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1599999357, now seen corresponding path program 1 times [2021-10-29 05:57:50,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:57:50,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1490927512] [2021-10-29 05:57:50,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:57:50,661 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:57:50,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:57:50,667 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:57:50,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:57:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:57:50,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:57:50,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:57:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:57:50,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:57:51,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:57:51,053 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:57:51,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1490927512] [2021-10-29 05:57:51,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1490927512] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:57:51,054 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:57:51,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:57:51,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520409289] [2021-10-29 05:57:51,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:57:51,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:57:51,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:57:51,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:57:51,057 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:57:51,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:57:51,069 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-29 05:57:51,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:57:51,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-29 05:57:51,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:57:51,070 INFO L225 Difference]: With dead ends: 71 [2021-10-29 05:57:51,071 INFO L226 Difference]: Without dead ends: 33 [2021-10-29 05:57:51,071 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 [2021-10-29 05:57:51,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-29 05:57:51,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-29 05:57:51,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:57:51,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-29 05:57:51,076 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2021-10-29 05:57:51,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:57:51,077 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-29 05:57:51,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:57:51,077 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-29 05:57:51,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:57:51,078 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:57:51,078 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:57:51,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:57:51,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:57:51,291 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:57:51,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:57:51,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1180040056, now seen corresponding path program 1 times [2021-10-29 05:57:51,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:57:51,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111054574] [2021-10-29 05:57:51,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:57:51,293 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:57:51,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:57:51,294 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:57:51,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:57:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:57:51,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:57:51,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:57:51,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:57:51,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:57:51,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:57:51,661 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:57:51,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111054574] [2021-10-29 05:57:51,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [111054574] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:57:51,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:57:51,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:57:51,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790904127] [2021-10-29 05:57:51,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:57:51,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:57:51,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:57:51,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:57:51,668 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:57:51,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:57:51,708 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-29 05:57:51,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:57:51,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-29 05:57:51,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:57:51,713 INFO L225 Difference]: With dead ends: 60 [2021-10-29 05:57:51,713 INFO L226 Difference]: Without dead ends: 33 [2021-10-29 05:57:51,714 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:57:51,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-29 05:57:51,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-29 05:57:51,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:57:51,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-29 05:57:51,719 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2021-10-29 05:57:51,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:57:51,719 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-29 05:57:51,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:57:51,720 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-29 05:57:51,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 05:57:51,721 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:57:51,721 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-29 05:57:51,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-29 05:57:51,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:57:51,938 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:57:51,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:57:51,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1819191868, now seen corresponding path program 1 times [2021-10-29 05:57:51,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:57:51,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626576996] [2021-10-29 05:57:51,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:57:51,940 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:57:51,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:57:51,941 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:57:51,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:57:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:57:52,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:57:52,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:57:52,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:57:52,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:57:52,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:57:52,413 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:57:52,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1626576996] [2021-10-29 05:57:52,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1626576996] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:57:52,414 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:57:52,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:57:52,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735369009] [2021-10-29 05:57:52,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:57:52,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:57:52,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:57:52,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:57:52,416 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:57:52,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:57:52,684 INFO L93 Difference]: Finished difference Result 308 states and 461 transitions. [2021-10-29 05:57:52,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 05:57:52,685 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-29 05:57:52,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:57:52,688 INFO L225 Difference]: With dead ends: 308 [2021-10-29 05:57:52,689 INFO L226 Difference]: Without dead ends: 281 [2021-10-29 05:57:52,690 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-29 05:57:52,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2021-10-29 05:57:52,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 78. [2021-10-29 05:57:52,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 77 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:57:52,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2021-10-29 05:57:52,724 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 25 [2021-10-29 05:57:52,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:57:52,725 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2021-10-29 05:57:52,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:57:52,726 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2021-10-29 05:57:52,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 05:57:52,728 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:57:52,728 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-29 05:57:52,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:57:52,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:57:52,947 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:57:52,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:57:52,947 INFO L85 PathProgramCache]: Analyzing trace with hash 516466438, now seen corresponding path program 1 times [2021-10-29 05:57:52,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:57:52,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [701790115] [2021-10-29 05:57:52,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:57:52,949 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:57:52,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:57:52,950 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:57:52,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:57:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:57:54,018 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 05:57:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:57:55,075 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-29 05:57:55,076 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 05:57:55,077 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:57:55,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:57:55,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:57:55,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:57:55,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:57:55,302 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-29 05:57:55,305 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:57:55,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:57:55 BoogieIcfgContainer [2021-10-29 05:57:55,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:57:55,425 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:57:55,425 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:57:55,425 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:57:55,426 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:57:49" (3/4) ... [2021-10-29 05:57:55,428 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 05:57:55,558 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:57:55,559 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:57:55,561 INFO L168 Benchmark]: Toolchain (without parser) took 8887.00 ms. Allocated memory was 56.6 MB in the beginning and 92.3 MB in the end (delta: 35.7 MB). Free memory was 33.8 MB in the beginning and 67.1 MB in the end (delta: -33.4 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:57:55,562 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 56.6 MB. Free memory is still 37.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:57:55,562 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.01 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.6 MB in the beginning and 38.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:57:55,564 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.78 ms. Allocated memory is still 69.2 MB. Free memory was 38.6 MB in the beginning and 35.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:57:55,564 INFO L168 Benchmark]: Boogie Preprocessor took 71.81 ms. Allocated memory is still 69.2 MB. Free memory was 35.5 MB in the beginning and 51.2 MB in the end (delta: -15.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:57:55,565 INFO L168 Benchmark]: RCFGBuilder took 2269.04 ms. Allocated memory is still 69.2 MB. Free memory was 50.9 MB in the beginning and 39.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:57:55,566 INFO L168 Benchmark]: TraceAbstraction took 5674.24 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 38.4 MB in the beginning and 43.8 MB in the end (delta: -5.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:57:55,566 INFO L168 Benchmark]: Witness Printer took 134.70 ms. Allocated memory is still 92.3 MB. Free memory was 43.8 MB in the beginning and 67.1 MB in the end (delta: -23.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:57:55,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 56.6 MB. Free memory is still 37.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 643.01 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.6 MB in the beginning and 38.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.78 ms. Allocated memory is still 69.2 MB. Free memory was 38.6 MB in the beginning and 35.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.81 ms. Allocated memory is still 69.2 MB. Free memory was 35.5 MB in the beginning and 51.2 MB in the end (delta: -15.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2269.04 ms. Allocated memory is still 69.2 MB. Free memory was 50.9 MB in the beginning and 39.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5674.24 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 38.4 MB in the beginning and 43.8 MB in the end (delta: -5.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * Witness Printer took 134.70 ms. Allocated memory is still 92.3 MB. Free memory was 43.8 MB in the beginning and 67.1 MB in the end (delta: -23.3 MB). Peak memory consumption was 10.5 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 - CounterExampleResult [Line: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L106] int pumpRunning = 0; [L107] int systemActive = 1; [L319] int waterLevel = 1; [L320] int methaneLevelCritical = 0; [L399] int cleanupTimeShifts = 4; [L664] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L472] int retValue_acc ; [L473] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L479] tmp = valid_product() [L481] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L252] int splverifierCounter ; [L253] int tmp ; [L254] int tmp___0 ; [L255] int tmp___1 ; [L256] int tmp___2 ; [L259] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L261] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L263] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L269] tmp = __VERIFIER_nondet_int() [L271] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L337] COND TRUE waterLevel < 2 [L338] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L279] tmp___0 = __VERIFIER_nondet_int() [L281] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L289] tmp___2 = __VERIFIER_nondet_int() [L291] COND TRUE \read(tmp___2) [L243] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L114] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L121] COND TRUE \read(systemActive) [L143] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L146] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L862] int tmp ; [L863] int tmp___0 ; [L864] int tmp___1 ; [L358] int retValue_acc ; [L361] retValue_acc = methaneLevelCritical [L362] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L868] tmp = isMethaneLevelCritical() [L870] COND FALSE !(\read(tmp)) [L390] int retValue_acc ; [L393] retValue_acc = waterLevel [L394] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L874] tmp___0 = getWaterLevel() [L876] COND TRUE tmp___0 == 2 [L195] int retValue_acc ; [L198] retValue_acc = pumpRunning [L199] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L878] tmp___1 = isPumpRunning() [L880] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L54] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 54]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 264 SDtfs, 489 SDslu, 455 SDs, 0 SdLazy, 87 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 203 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 287 SizeOfPredicates, 4 NumberOfNonLiveVariables, 792 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-29 05:57:55,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4eea35-dac4-4a19-8f9a-015bcaf70145/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...