./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI --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 de1d9a043543a6ff316ba93a02e2ab847e173d5e ............................................................................................................................................ 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_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI --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 de1d9a043543a6ff316ba93a02e2ab847e173d5e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-7b2dab5 [2021-10-11 02:29:50,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:50,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:50,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:50,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:50,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:50,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:50,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:50,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:50,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:50,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:50,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:50,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:50,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:50,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:50,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:50,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:50,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:50,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:50,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:50,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:50,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:50,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:50,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:50,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:50,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:50,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:50,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:50,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:50,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:50,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:50,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:50,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:50,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:50,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:50,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:50,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:50,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:50,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:50,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:50,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:50,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:29:50,206 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:50,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:50,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:50,208 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:50,208 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:50,208 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:50,209 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:29:50,209 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:50,209 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:50,209 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:29:50,216 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:29:50,217 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:50,217 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:29:50,217 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:29:50,217 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:29:50,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:50,219 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:50,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:29:50,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:50,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:50,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:50,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:50,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:50,220 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:50,221 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:50,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:50,221 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:50,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:50,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:50,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:50,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:50,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:50,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:50,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:50,225 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:29:50,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:29:50,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:50,225 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:50,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:50,226 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_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de1d9a043543a6ff316ba93a02e2ab847e173d5e [2021-10-11 02:29:50,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:50,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:50,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:50,593 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:50,595 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:50,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c [2021-10-11 02:29:50,675 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/data/935e9058c/3e629b948ca84787a1d2023e63518035/FLAGbcf886821 [2021-10-11 02:29:51,309 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:51,310 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c [2021-10-11 02:29:51,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/data/935e9058c/3e629b948ca84787a1d2023e63518035/FLAGbcf886821 [2021-10-11 02:29:51,588 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/data/935e9058c/3e629b948ca84787a1d2023e63518035 [2021-10-11 02:29:51,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:51,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:51,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:51,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:51,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:51,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:51" (1/1) ... [2021-10-11 02:29:51,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e5b80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:51, skipping insertion in model container [2021-10-11 02:29:51,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:51" (1/1) ... [2021-10-11 02:29:51,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:51,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:52,090 WARN L226 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_3780e99a-525e-4be8-a9b2-ced0432abbb3/sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c[17352,17365] [2021-10-11 02:29:52,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:52,124 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) [2021-10-11 02:29:52,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c831bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:52, skipping insertion in model container [2021-10-11 02:29:52,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:52,128 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:29:52,131 INFO L168 Benchmark]: Toolchain (without parser) took 536.77 ms. Allocated memory is still 109.1 MB. Free memory was 74.5 MB in the beginning and 81.1 MB in the end (delta: -6.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:52,132 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory is still 41.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:52,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.24 ms. Allocated memory is still 109.1 MB. Free memory was 74.3 MB in the beginning and 81.1 MB in the end (delta: -6.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:52,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory is still 41.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 526.24 ms. Allocated memory is still 109.1 MB. Free memory was 74.3 MB in the beginning and 81.1 MB in the end (delta: -6.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 171]: 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 0.2.0-7b2dab5 [2021-10-11 02:29:54,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:54,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:54,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:54,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:54,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:54,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:54,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:54,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:54,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:54,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:54,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:54,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:54,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:54,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:54,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:54,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:54,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:54,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:54,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:54,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:54,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:54,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:54,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:54,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:54,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:54,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:54,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:54,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:54,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:54,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:54,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:54,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:54,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:54,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:54,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:54,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:54,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:54,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:54,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:54,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:54,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:29:54,873 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:54,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:54,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:54,892 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:54,893 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:54,893 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:54,893 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:54,893 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:54,894 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:54,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:54,898 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:54,898 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:54,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:54,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:54,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:54,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:54,899 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:54,899 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:29:54,900 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:29:54,900 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:54,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:54,900 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:54,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:54,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:54,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:29:54,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:54,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:54,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:54,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:54,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:54,903 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:29:54,903 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:29:54,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:54,903 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:54,904 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:54,904 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_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de1d9a043543a6ff316ba93a02e2ab847e173d5e [2021-10-11 02:29:55,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:55,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:55,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:55,352 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:55,353 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:55,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c [2021-10-11 02:29:55,426 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/data/0544df3fb/4a3481739d214589ae55f235dc8c3634/FLAG2e6e28a09 [2021-10-11 02:29:56,036 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:56,036 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c [2021-10-11 02:29:56,050 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/data/0544df3fb/4a3481739d214589ae55f235dc8c3634/FLAG2e6e28a09 [2021-10-11 02:29:56,294 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/data/0544df3fb/4a3481739d214589ae55f235dc8c3634 [2021-10-11 02:29:56,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:56,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:56,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:56,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:56,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:56,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:56" (1/1) ... [2021-10-11 02:29:56,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e23ce7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:56, skipping insertion in model container [2021-10-11 02:29:56,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:56" (1/1) ... [2021-10-11 02:29:56,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:56,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:56,737 WARN L226 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_3780e99a-525e-4be8-a9b2-ced0432abbb3/sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c[17352,17365] [2021-10-11 02:29:56,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:56,765 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:29:56,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:56,904 WARN L226 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_3780e99a-525e-4be8-a9b2-ced0432abbb3/sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c[17352,17365] [2021-10-11 02:29:56,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:56,928 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:29:57,032 WARN L226 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_3780e99a-525e-4be8-a9b2-ced0432abbb3/sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c[17352,17365] [2021-10-11 02:29:57,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:57,073 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:29:57,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:57 WrapperNode [2021-10-11 02:29:57,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:57,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:57,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:29:57,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:29:57,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:57" (1/1) ... [2021-10-11 02:29:57,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:57" (1/1) ... [2021-10-11 02:29:57,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:57,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:29:57,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:29:57,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:29:57,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:57" (1/1) ... [2021-10-11 02:29:57,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:57" (1/1) ... [2021-10-11 02:29:57,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:57" (1/1) ... [2021-10-11 02:29:57,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:57" (1/1) ... [2021-10-11 02:29:57,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:57" (1/1) ... [2021-10-11 02:29:57,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:57" (1/1) ... [2021-10-11 02:29:57,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:57" (1/1) ... [2021-10-11 02:29:57,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:29:57,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:29:57,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:29:57,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:29:57,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:57" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:29:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:29:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:29:57,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:29:59,682 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:29:59,683 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-11 02:29:59,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:59 BoogieIcfgContainer [2021-10-11 02:29:59,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:29:59,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:29:59,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:29:59,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:29:59,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:29:56" (1/3) ... [2021-10-11 02:29:59,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387fc103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:59, skipping insertion in model container [2021-10-11 02:29:59,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:57" (2/3) ... [2021-10-11 02:29:59,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387fc103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:59, skipping insertion in model container [2021-10-11 02:29:59,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:59" (3/3) ... [2021-10-11 02:29:59,693 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product36.cil.c [2021-10-11 02:29:59,706 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:29:59,710 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:29:59,721 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:29:59,745 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:29:59,746 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:29:59,746 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:29:59,746 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:29:59,746 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:29:59,747 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:29:59,747 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:29:59,747 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:29:59,761 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2021-10-11 02:29:59,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:29:59,767 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:59,782 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:59,783 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:59,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:59,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1480559057, now seen corresponding path program 1 times [2021-10-11 02:29:59,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:59,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850848424] [2021-10-11 02:29:59,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:00,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:30:00,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:00,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:00,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:00,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850848424] [2021-10-11 02:30:00,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:00,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:00,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28044828] [2021-10-11 02:30:00,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:30:00,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:00,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:30:00,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:00,135 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2021-10-11 02:30:00,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:00,171 INFO L93 Difference]: Finished difference Result 161 states and 246 transitions. [2021-10-11 02:30:00,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:30:00,172 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:30:00,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:00,183 INFO L225 Difference]: With dead ends: 161 [2021-10-11 02:30:00,183 INFO L226 Difference]: Without dead ends: 80 [2021-10-11 02:30:00,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:00,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-11 02:30:00,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-10-11 02:30:00,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2021-10-11 02:30:00,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 115 transitions. [2021-10-11 02:30:00,226 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 115 transitions. Word has length 18 [2021-10-11 02:30:00,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:00,227 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 115 transitions. [2021-10-11 02:30:00,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:30:00,227 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 115 transitions. [2021-10-11 02:30:00,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:30:00,228 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:00,228 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:00,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:30:00,445 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:00,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:00,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1228794243, now seen corresponding path program 1 times [2021-10-11 02:30:00,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:00,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575586256] [2021-10-11 02:30:00,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:00,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:00,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:00,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:00,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:00,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575586256] [2021-10-11 02:30:00,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:00,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:00,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573986067] [2021-10-11 02:30:00,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:00,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:00,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:00,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:00,831 INFO L87 Difference]: Start difference. First operand 80 states and 115 transitions. Second operand 3 states. [2021-10-11 02:30:00,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:00,843 INFO L93 Difference]: Finished difference Result 80 states and 115 transitions. [2021-10-11 02:30:00,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:00,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:30:00,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:00,845 INFO L225 Difference]: With dead ends: 80 [2021-10-11 02:30:00,845 INFO L226 Difference]: Without dead ends: 38 [2021-10-11 02:30:00,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:00,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-11 02:30:00,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-10-11 02:30:00,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-10-11 02:30:00,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 54 transitions. [2021-10-11 02:30:00,852 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 54 transitions. Word has length 19 [2021-10-11 02:30:00,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:00,852 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 54 transitions. [2021-10-11 02:30:00,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:00,853 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2021-10-11 02:30:00,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:30:00,854 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:00,854 INFO L422 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] [2021-10-11 02:30:01,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:30:01,055 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:01,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:01,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1219405376, now seen corresponding path program 1 times [2021-10-11 02:30:01,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:01,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [299279352] [2021-10-11 02:30:01,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:01,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:01,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:01,381 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:01,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [299279352] [2021-10-11 02:30:01,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:01,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:01,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666210001] [2021-10-11 02:30:01,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:01,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:01,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:01,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:01,383 INFO L87 Difference]: Start difference. First operand 38 states and 54 transitions. Second operand 3 states. [2021-10-11 02:30:01,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:01,430 INFO L93 Difference]: Finished difference Result 100 states and 148 transitions. [2021-10-11 02:30:01,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:01,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:30:01,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:01,433 INFO L225 Difference]: With dead ends: 100 [2021-10-11 02:30:01,433 INFO L226 Difference]: Without dead ends: 69 [2021-10-11 02:30:01,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:01,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-11 02:30:01,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2021-10-11 02:30:01,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2021-10-11 02:30:01,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 96 transitions. [2021-10-11 02:30:01,444 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 96 transitions. Word has length 24 [2021-10-11 02:30:01,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:01,445 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 96 transitions. [2021-10-11 02:30:01,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 96 transitions. [2021-10-11 02:30:01,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:30:01,446 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:01,446 INFO L422 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] [2021-10-11 02:30:01,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:30:01,658 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:01,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:01,659 INFO L82 PathProgramCache]: Analyzing trace with hash 999444121, now seen corresponding path program 1 times [2021-10-11 02:30:01,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:01,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1289079552] [2021-10-11 02:30:01,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:01,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:01,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:01,990 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:01,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1289079552] [2021-10-11 02:30:01,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:01,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:01,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549940915] [2021-10-11 02:30:01,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:01,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:01,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:01,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:01,996 INFO L87 Difference]: Start difference. First operand 65 states and 96 transitions. Second operand 3 states. [2021-10-11 02:30:02,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:02,098 INFO L93 Difference]: Finished difference Result 166 states and 251 transitions. [2021-10-11 02:30:02,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:02,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-10-11 02:30:02,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:02,104 INFO L225 Difference]: With dead ends: 166 [2021-10-11 02:30:02,104 INFO L226 Difference]: Without dead ends: 108 [2021-10-11 02:30:02,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:02,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-10-11 02:30:02,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 106. [2021-10-11 02:30:02,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2021-10-11 02:30:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 156 transitions. [2021-10-11 02:30:02,135 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 156 transitions. Word has length 25 [2021-10-11 02:30:02,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:02,137 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 156 transitions. [2021-10-11 02:30:02,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:02,138 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 156 transitions. [2021-10-11 02:30:02,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:30:02,141 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:02,142 INFO L422 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, 1] [2021-10-11 02:30:02,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:30:02,358 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:02,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:02,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1239284745, now seen corresponding path program 1 times [2021-10-11 02:30:02,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:02,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892493883] [2021-10-11 02:30:02,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:02,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:02,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:02,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:02,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:02,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892493883] [2021-10-11 02:30:02,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:02,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:02,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96070881] [2021-10-11 02:30:02,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:02,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:02,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:02,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:02,652 INFO L87 Difference]: Start difference. First operand 106 states and 156 transitions. Second operand 5 states. [2021-10-11 02:30:02,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:02,815 INFO L93 Difference]: Finished difference Result 510 states and 765 transitions. [2021-10-11 02:30:02,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:30:02,816 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 02:30:02,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:02,819 INFO L225 Difference]: With dead ends: 510 [2021-10-11 02:30:02,819 INFO L226 Difference]: Without dead ends: 411 [2021-10-11 02:30:02,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:30:02,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2021-10-11 02:30:02,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 191. [2021-10-11 02:30:02,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2021-10-11 02:30:02,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 276 transitions. [2021-10-11 02:30:02,850 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 276 transitions. Word has length 27 [2021-10-11 02:30:02,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:02,850 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 276 transitions. [2021-10-11 02:30:02,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:02,851 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 276 transitions. [2021-10-11 02:30:02,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:30:02,852 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:02,852 INFO L422 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, 1, 1] [2021-10-11 02:30:03,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:30:03,061 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:03,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:03,062 INFO L82 PathProgramCache]: Analyzing trace with hash -194860415, now seen corresponding path program 1 times [2021-10-11 02:30:03,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:03,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1541551086] [2021-10-11 02:30:03,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:03,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:03,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:03,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:03,343 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:03,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1541551086] [2021-10-11 02:30:03,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:03,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:03,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049899583] [2021-10-11 02:30:03,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:03,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:03,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:03,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:03,345 INFO L87 Difference]: Start difference. First operand 191 states and 276 transitions. Second operand 5 states. [2021-10-11 02:30:03,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:03,595 INFO L93 Difference]: Finished difference Result 709 states and 1031 transitions. [2021-10-11 02:30:03,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:30:03,595 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-10-11 02:30:03,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:03,599 INFO L225 Difference]: With dead ends: 709 [2021-10-11 02:30:03,599 INFO L226 Difference]: Without dead ends: 525 [2021-10-11 02:30:03,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:30:03,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2021-10-11 02:30:03,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 189. [2021-10-11 02:30:03,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2021-10-11 02:30:03,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 270 transitions. [2021-10-11 02:30:03,623 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 270 transitions. Word has length 28 [2021-10-11 02:30:03,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:03,624 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 270 transitions. [2021-10-11 02:30:03,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:03,624 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 270 transitions. [2021-10-11 02:30:03,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:30:03,625 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:03,626 INFO L422 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, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:03,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:30:03,840 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:03,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:03,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1409937664, now seen corresponding path program 1 times [2021-10-11 02:30:03,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:03,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443383814] [2021-10-11 02:30:03,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:04,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:04,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:04,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:04,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1443383814] [2021-10-11 02:30:04,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:04,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:04,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698840540] [2021-10-11 02:30:04,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:04,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:04,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:04,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:04,161 INFO L87 Difference]: Start difference. First operand 189 states and 270 transitions. Second operand 5 states. [2021-10-11 02:30:04,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:04,275 INFO L93 Difference]: Finished difference Result 515 states and 728 transitions. [2021-10-11 02:30:04,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:30:04,276 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 02:30:04,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:04,279 INFO L225 Difference]: With dead ends: 515 [2021-10-11 02:30:04,280 INFO L226 Difference]: Without dead ends: 333 [2021-10-11 02:30:04,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:30:04,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-10-11 02:30:04,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 201. [2021-10-11 02:30:04,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2021-10-11 02:30:04,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 282 transitions. [2021-10-11 02:30:04,306 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 282 transitions. Word has length 32 [2021-10-11 02:30:04,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:04,307 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 282 transitions. [2021-10-11 02:30:04,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:04,307 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 282 transitions. [2021-10-11 02:30:04,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:30:04,309 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:04,317 INFO L422 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, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:04,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:30:04,532 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:04,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:04,532 INFO L82 PathProgramCache]: Analyzing trace with hash 2111002242, now seen corresponding path program 1 times [2021-10-11 02:30:04,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:04,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5082659] [2021-10-11 02:30:04,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:04,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:30:04,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:04,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:04,805 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:04,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5082659] [2021-10-11 02:30:04,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:04,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:04,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341485005] [2021-10-11 02:30:04,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:30:04,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:04,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:30:04,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:04,808 INFO L87 Difference]: Start difference. First operand 201 states and 282 transitions. Second operand 4 states. [2021-10-11 02:30:04,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:04,877 INFO L93 Difference]: Finished difference Result 491 states and 683 transitions. [2021-10-11 02:30:04,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:30:04,878 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2021-10-11 02:30:04,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:04,880 INFO L225 Difference]: With dead ends: 491 [2021-10-11 02:30:04,880 INFO L226 Difference]: Without dead ends: 297 [2021-10-11 02:30:04,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:04,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-10-11 02:30:04,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 209. [2021-10-11 02:30:04,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2021-10-11 02:30:04,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 290 transitions. [2021-10-11 02:30:04,907 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 290 transitions. Word has length 32 [2021-10-11 02:30:04,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:04,907 INFO L481 AbstractCegarLoop]: Abstraction has 209 states and 290 transitions. [2021-10-11 02:30:04,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:30:04,907 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 290 transitions. [2021-10-11 02:30:04,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:30:04,908 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:04,908 INFO L422 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, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:05,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:30:05,125 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:05,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:05,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1524196228, now seen corresponding path program 1 times [2021-10-11 02:30:05,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:05,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [839502090] [2021-10-11 02:30:05,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:05,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:05,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:05,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:05,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:05,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [839502090] [2021-10-11 02:30:05,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:05,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:05,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697271120] [2021-10-11 02:30:05,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:05,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:05,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:05,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:05,385 INFO L87 Difference]: Start difference. First operand 209 states and 290 transitions. Second operand 3 states. [2021-10-11 02:30:05,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:05,445 INFO L93 Difference]: Finished difference Result 511 states and 703 transitions. [2021-10-11 02:30:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:05,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2021-10-11 02:30:05,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:05,450 INFO L225 Difference]: With dead ends: 511 [2021-10-11 02:30:05,450 INFO L226 Difference]: Without dead ends: 309 [2021-10-11 02:30:05,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:05,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-10-11 02:30:05,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2021-10-11 02:30:05,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2021-10-11 02:30:05,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 412 transitions. [2021-10-11 02:30:05,489 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 412 transitions. Word has length 32 [2021-10-11 02:30:05,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:05,489 INFO L481 AbstractCegarLoop]: Abstraction has 309 states and 412 transitions. [2021-10-11 02:30:05,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:05,490 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 412 transitions. [2021-10-11 02:30:05,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:30:05,490 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:05,491 INFO L422 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, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:05,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:30:05,706 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:05,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:05,707 INFO L82 PathProgramCache]: Analyzing trace with hash 61292740, now seen corresponding path program 1 times [2021-10-11 02:30:05,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:05,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596022578] [2021-10-11 02:30:05,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:05,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:05,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:06,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:06,026 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:06,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596022578] [2021-10-11 02:30:06,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:06,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:06,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613161308] [2021-10-11 02:30:06,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:06,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:06,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:06,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:06,030 INFO L87 Difference]: Start difference. First operand 309 states and 412 transitions. Second operand 3 states. [2021-10-11 02:30:06,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:06,148 INFO L93 Difference]: Finished difference Result 447 states and 603 transitions. [2021-10-11 02:30:06,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:06,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-10-11 02:30:06,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:06,151 INFO L225 Difference]: With dead ends: 447 [2021-10-11 02:30:06,151 INFO L226 Difference]: Without dead ends: 445 [2021-10-11 02:30:06,152 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:06,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2021-10-11 02:30:06,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 370. [2021-10-11 02:30:06,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2021-10-11 02:30:06,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 504 transitions. [2021-10-11 02:30:06,200 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 504 transitions. Word has length 33 [2021-10-11 02:30:06,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:06,201 INFO L481 AbstractCegarLoop]: Abstraction has 370 states and 504 transitions. [2021-10-11 02:30:06,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:06,201 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 504 transitions. [2021-10-11 02:30:06,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 02:30:06,202 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:06,202 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:06,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:30:06,419 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:06,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:06,419 INFO L82 PathProgramCache]: Analyzing trace with hash 290012344, now seen corresponding path program 1 times [2021-10-11 02:30:06,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:06,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1272911551] [2021-10-11 02:30:06,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:07,831 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:09,324 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:09,627 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:30:09,628 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:30:09,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:30:10,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:10 BoogieIcfgContainer [2021-10-11 02:30:10,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:10,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:10,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:10,030 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:10,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:59" (3/4) ... [2021-10-11 02:30:10,032 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:30:10,139 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3780e99a-525e-4be8-a9b2-ced0432abbb3/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:10,140 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:10,141 INFO L168 Benchmark]: Toolchain (without parser) took 13841.54 ms. Allocated memory was 69.2 MB in the beginning and 121.6 MB in the end (delta: 52.4 MB). Free memory was 52.7 MB in the beginning and 51.9 MB in the end (delta: 731.6 kB). Peak memory consumption was 51.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:10,142 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 69.2 MB. Free memory is still 50.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:10,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.68 ms. Allocated memory is still 69.2 MB. Free memory was 52.5 MB in the beginning and 34.9 MB in the end (delta: 17.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:10,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.56 ms. Allocated memory is still 69.2 MB. Free memory was 34.9 MB in the beginning and 32.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:10,143 INFO L168 Benchmark]: Boogie Preprocessor took 78.09 ms. Allocated memory is still 69.2 MB. Free memory was 32.0 MB in the beginning and 29.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:10,144 INFO L168 Benchmark]: RCFGBuilder took 2427.98 ms. Allocated memory was 69.2 MB in the beginning and 100.7 MB in the end (delta: 31.5 MB). Free memory was 29.6 MB in the beginning and 48.0 MB in the end (delta: -18.5 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:10,144 INFO L168 Benchmark]: TraceAbstraction took 10342.96 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 47.4 MB in the beginning and 72.9 MB in the end (delta: -25.5 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:10,145 INFO L168 Benchmark]: Witness Printer took 110.21 ms. Allocated memory is still 121.6 MB. Free memory was 72.9 MB in the beginning and 51.9 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:10,147 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 69.2 MB. Free memory is still 50.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 773.68 ms. Allocated memory is still 69.2 MB. Free memory was 52.5 MB in the beginning and 34.9 MB in the end (delta: 17.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.56 ms. Allocated memory is still 69.2 MB. Free memory was 34.9 MB in the beginning and 32.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.09 ms. Allocated memory is still 69.2 MB. Free memory was 32.0 MB in the beginning and 29.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2427.98 ms. Allocated memory was 69.2 MB in the beginning and 100.7 MB in the end (delta: 31.5 MB). Free memory was 29.6 MB in the beginning and 48.0 MB in the end (delta: -18.5 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10342.96 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 47.4 MB in the beginning and 72.9 MB in the end (delta: -25.5 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. * Witness Printer took 110.21 ms. Allocated memory is still 121.6 MB. Free memory was 72.9 MB in the beginning and 51.9 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 902]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L312] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L547] int cleanupTimeShifts = 4; [L653] int pumpRunning = 0; [L654] int systemActive = 1; [L907] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L625] int retValue_acc ; [L626] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L538] int retValue_acc ; [L541] retValue_acc = 1 [L542] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L632] tmp = valid_product() [L634] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L912] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L830] int splverifierCounter ; [L831] int tmp ; [L832] int tmp___0 ; [L833] int tmp___1 ; [L834] int tmp___2 ; [L837] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L839] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L841] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L847] tmp = __VERIFIER_nondet_int() [L849] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L857] tmp___0 = __VERIFIER_nondet_int() [L859] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L79] COND FALSE !(\read(methaneLevelCritical)) [L82] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L867] tmp___2 = __VERIFIER_nondet_int() [L869] COND TRUE \read(tmp___2) [L824] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L661] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L668] COND TRUE \read(systemActive) [L690] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L693] COND TRUE ! pumpRunning [L787] int retValue_acc ; [L788] int tmp ; [L789] int tmp___0 ; [L129] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L132] COND FALSE !(waterLevel < 2) [L136] retValue_acc = 0 [L137] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L793] tmp = isHighWaterSensorDry() [L795] COND FALSE !(\read(tmp)) [L798] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L800] retValue_acc = tmp___0 [L801] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L695] tmp = isHighWaterLevel() [L697] COND TRUE \read(tmp) [L718] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L917] int tmp ; [L918] int tmp___0 ; [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L922] tmp = isMethaneLevelCritical() [L924] COND TRUE \read(tmp) [L742] int retValue_acc ; [L745] retValue_acc = pumpRunning [L746] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L926] tmp___0 = isPumpRunning() [L928] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L929] COND FALSE !(\read(methAndRunningLastTime)) [L934] methAndRunningLastTime = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L839] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L841] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L847] tmp = __VERIFIER_nondet_int() [L849] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L857] tmp___0 = __VERIFIER_nondet_int() [L859] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L867] tmp___2 = __VERIFIER_nondet_int() [L869] COND TRUE \read(tmp___2) [L824] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L661] COND TRUE \read(pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L668] COND TRUE \read(systemActive) [L690] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L693] COND FALSE !(! pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L917] int tmp ; [L918] int tmp___0 ; [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L922] tmp = isMethaneLevelCritical() [L924] COND TRUE \read(tmp) [L742] int retValue_acc ; [L745] retValue_acc = pumpRunning [L746] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L926] tmp___0 = isPumpRunning() [L928] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L929] COND TRUE \read(methAndRunningLastTime) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L902] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.1s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 712 SDtfs, 745 SDslu, 965 SDs, 0 SdLazy, 112 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 276 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=370occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 857 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 260 ConstructedInterpolants, 0 QuantifiedInterpolants, 13350 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2054 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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! Received shutdown request...