./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw --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 c0aef0465177c93a6601c1a5d51a64adadbfe8866aea014d45d863332843c2c5 ............................................................................................................................................ 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_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw --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 c0aef0465177c93a6601c1a5d51a64adadbfe8866aea014d45d863332843c2c5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 06:26:51,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 06:26:51,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 06:26:51,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 06:26:51,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 06:26:51,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 06:26:51,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 06:26:51,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 06:26:51,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 06:26:51,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 06:26:51,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 06:26:51,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 06:26:51,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 06:26:51,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 06:26:51,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 06:26:51,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 06:26:51,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 06:26:51,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 06:26:51,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 06:26:51,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 06:26:51,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 06:26:51,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 06:26:51,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 06:26:51,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 06:26:51,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 06:26:51,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 06:26:51,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 06:26:51,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 06:26:51,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 06:26:51,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 06:26:51,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 06:26:51,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 06:26:51,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 06:26:51,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 06:26:51,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 06:26:51,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 06:26:51,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 06:26:51,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 06:26:51,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 06:26:51,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 06:26:51,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 06:26:51,240 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 06:26:51,295 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 06:26:51,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 06:26:51,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 06:26:51,297 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 06:26:51,297 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 06:26:51,297 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 06:26:51,298 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 06:26:51,298 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 06:26:51,298 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 06:26:51,298 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 06:26:51,300 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 06:26:51,300 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 06:26:51,300 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 06:26:51,300 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 06:26:51,301 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 06:26:51,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 06:26:51,302 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 06:26:51,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 06:26:51,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 06:26:51,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 06:26:51,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 06:26:51,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 06:26:51,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 06:26:51,303 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 06:26:51,304 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 06:26:51,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 06:26:51,304 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 06:26:51,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 06:26:51,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 06:26:51,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 06:26:51,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:26:51,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 06:26:51,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 06:26:51,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 06:26:51,308 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 06:26:51,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 06:26:51,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 06:26:51,308 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 06:26:51,309 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 06:26:51,309 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_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0aef0465177c93a6601c1a5d51a64adadbfe8866aea014d45d863332843c2c5 [2021-10-20 06:26:51,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 06:26:51,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 06:26:51,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 06:26:51,659 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 06:26:51,661 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 06:26:51,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2021-10-20 06:26:51,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/data/772a94463/126ee78c1b3b49adb0681e330251fccc/FLAGfdf78af18 [2021-10-20 06:26:52,156 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 06:26:52,157 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2021-10-20 06:26:52,165 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/data/772a94463/126ee78c1b3b49adb0681e330251fccc/FLAGfdf78af18 [2021-10-20 06:26:52,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/data/772a94463/126ee78c1b3b49adb0681e330251fccc [2021-10-20 06:26:52,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 06:26:52,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 06:26:52,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 06:26:52,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 06:26:52,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 06:26:52,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:26:52" (1/1) ... [2021-10-20 06:26:52,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d313a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:26:52, skipping insertion in model container [2021-10-20 06:26:52,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:26:52" (1/1) ... [2021-10-20 06:26:52,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 06:26:52,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:26:52,755 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/sv-benchmarks/c/weaver/parallel-lamport.wvr.c[2922,2935] [2021-10-20 06:26:52,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:26:52,775 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) [2021-10-20 06:26:52,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@36639ac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:26:52, skipping insertion in model container [2021-10-20 06:26:52,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 06:26:52,776 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 06:26:52,779 INFO L168 Benchmark]: Toolchain (without parser) took 234.42 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 58.4 MB in the beginning and 100.8 MB in the end (delta: -42.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 06:26:52,779 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 94.4 MB. Free memory was 66.1 MB in the beginning and 66.0 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:26:52,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.81 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 58.1 MB in the beginning and 100.8 MB in the end (delta: -42.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 06:26:52,783 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 94.4 MB. Free memory was 66.1 MB in the beginning and 66.0 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 231.81 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 58.1 MB in the beginning and 100.8 MB in the end (delta: -42.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 124]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 06:26:55,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 06:26:55,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 06:26:55,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 06:26:55,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 06:26:55,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 06:26:55,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 06:26:55,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 06:26:55,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 06:26:55,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 06:26:55,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 06:26:55,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 06:26:55,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 06:26:55,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 06:26:55,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 06:26:55,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 06:26:55,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 06:26:55,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 06:26:55,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 06:26:55,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 06:26:55,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 06:26:55,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 06:26:55,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 06:26:55,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 06:26:55,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 06:26:55,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 06:26:55,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 06:26:55,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 06:26:55,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 06:26:55,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 06:26:55,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 06:26:55,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 06:26:55,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 06:26:55,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 06:26:55,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 06:26:55,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 06:26:55,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 06:26:55,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 06:26:55,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 06:26:55,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 06:26:55,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 06:26:55,214 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-20 06:26:55,259 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 06:26:55,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 06:26:55,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 06:26:55,261 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 06:26:55,262 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 06:26:55,262 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 06:26:55,262 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 06:26:55,262 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 06:26:55,262 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 06:26:55,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 06:26:55,265 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 06:26:55,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 06:26:55,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 06:26:55,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 06:26:55,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 06:26:55,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 06:26:55,266 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 06:26:55,266 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 06:26:55,267 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 06:26:55,267 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 06:26:55,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 06:26:55,267 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 06:26:55,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 06:26:55,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 06:26:55,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 06:26:55,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 06:26:55,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:26:55,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 06:26:55,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 06:26:55,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 06:26:55,269 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 06:26:55,270 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 06:26:55,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 06:26:55,270 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 06:26:55,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 06:26:55,271 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_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0aef0465177c93a6601c1a5d51a64adadbfe8866aea014d45d863332843c2c5 [2021-10-20 06:26:55,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 06:26:55,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 06:26:55,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 06:26:55,714 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 06:26:55,715 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 06:26:55,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2021-10-20 06:26:55,786 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/data/ef20eb964/08ca21d9d93144c08a44d6270d258c43/FLAG3e7eb2d2b [2021-10-20 06:26:56,404 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 06:26:56,404 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2021-10-20 06:26:56,419 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/data/ef20eb964/08ca21d9d93144c08a44d6270d258c43/FLAG3e7eb2d2b [2021-10-20 06:26:56,755 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/data/ef20eb964/08ca21d9d93144c08a44d6270d258c43 [2021-10-20 06:26:56,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 06:26:56,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 06:26:56,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 06:26:56,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 06:26:56,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 06:26:56,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:26:56" (1/1) ... [2021-10-20 06:26:56,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@181f20d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:26:56, skipping insertion in model container [2021-10-20 06:26:56,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:26:56" (1/1) ... [2021-10-20 06:26:56,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 06:26:56,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:26:57,007 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/sv-benchmarks/c/weaver/parallel-lamport.wvr.c[2922,2935] [2021-10-20 06:26:57,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:26:57,029 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-20 06:26:57,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:26:57,050 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/sv-benchmarks/c/weaver/parallel-lamport.wvr.c[2922,2935] [2021-10-20 06:26:57,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:26:57,059 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 06:26:57,087 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/sv-benchmarks/c/weaver/parallel-lamport.wvr.c[2922,2935] [2021-10-20 06:26:57,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:26:57,107 INFO L208 MainTranslator]: Completed translation [2021-10-20 06:26:57,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:26:57 WrapperNode [2021-10-20 06:26:57,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 06:26:57,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 06:26:57,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 06:26:57,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 06:26:57,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:26:57" (1/1) ... [2021-10-20 06:26:57,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:26:57" (1/1) ... [2021-10-20 06:26:57,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 06:26:57,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 06:26:57,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 06:26:57,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 06:26:57,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:26:57" (1/1) ... [2021-10-20 06:26:57,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:26:57" (1/1) ... [2021-10-20 06:26:57,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:26:57" (1/1) ... [2021-10-20 06:26:57,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:26:57" (1/1) ... [2021-10-20 06:26:57,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:26:57" (1/1) ... [2021-10-20 06:26:57,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:26:57" (1/1) ... [2021-10-20 06:26:57,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:26:57" (1/1) ... [2021-10-20 06:26:57,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 06:26:57,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 06:26:57,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 06:26:57,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 06:26:57,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:26:57" (1/1) ... [2021-10-20 06:26:57,240 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:26:57,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:26:57,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 06:26:57,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 06:26:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-20 06:26:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 06:26:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-20 06:26:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-20 06:26:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-20 06:26:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-20 06:26:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-20 06:26:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-20 06:26:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-20 06:26:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-20 06:26:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 06:26:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 06:26:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-20 06:26:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-20 06:26:57,300 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-20 06:26:57,919 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 06:26:57,919 INFO L299 CfgBuilder]: Removed 31 assume(true) statements. [2021-10-20 06:26:57,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:26:57 BoogieIcfgContainer [2021-10-20 06:26:57,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 06:26:57,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 06:26:57,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 06:26:57,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 06:26:57,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:26:56" (1/3) ... [2021-10-20 06:26:57,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643f562c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:26:57, skipping insertion in model container [2021-10-20 06:26:57,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:26:57" (2/3) ... [2021-10-20 06:26:57,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643f562c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:26:57, skipping insertion in model container [2021-10-20 06:26:57,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:26:57" (3/3) ... [2021-10-20 06:26:57,929 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2021-10-20 06:26:57,937 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-20 06:26:57,938 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 06:26:57,938 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-20 06:26:57,938 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-20 06:26:58,005 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,005 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,006 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,006 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,006 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,007 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,007 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,007 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,007 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,008 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,008 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,008 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,009 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,009 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,009 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,009 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,009 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,010 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,010 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,011 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,011 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,012 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,012 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,012 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,012 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,013 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,013 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,013 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,014 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,014 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,014 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,014 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,015 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,015 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,015 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,015 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,015 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,015 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,016 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,016 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,016 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,017 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,019 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,019 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,020 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,020 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,021 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,022 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,022 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,023 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,023 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,023 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,024 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,024 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,024 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,024 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,025 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,025 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,026 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,026 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,026 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,026 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,027 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,027 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,027 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,027 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,027 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,028 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,028 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,028 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,028 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,029 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,029 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,029 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,029 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,030 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,030 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,030 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,031 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,032 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,035 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,035 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,036 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,037 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,037 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,037 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,037 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,038 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,039 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,044 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,044 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,045 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,047 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,048 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,048 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,048 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,048 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,048 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,049 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,049 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,049 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,049 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,049 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,050 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,050 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,050 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,050 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,050 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,050 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,051 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,051 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,051 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,051 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,052 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,052 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,052 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,052 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,052 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,052 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,053 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,056 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,056 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,056 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,056 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,057 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,057 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,074 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,074 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,074 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,074 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,075 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,079 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,079 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,079 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,079 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,080 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-20 06:26:58,098 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-20 06:26:58,154 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 06:26:58,167 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-20 06:26:58,167 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-20 06:26:58,190 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-20 06:26:58,199 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 201 places, 205 transitions, 434 flow [2021-10-20 06:26:58,206 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 201 places, 205 transitions, 434 flow [2021-10-20 06:26:58,208 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 205 transitions, 434 flow [2021-10-20 06:26:58,358 INFO L129 PetriNetUnfolder]: 14/202 cut-off events. [2021-10-20 06:26:58,359 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-20 06:26:58,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 202 events. 14/202 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 206 event pairs, 0 based on Foata normal form. 0/187 useless extension candidates. Maximal degree in co-relation 163. Up to 2 conditions per place. [2021-10-20 06:26:58,374 INFO L116 LiptonReduction]: Number of co-enabled transitions 5124 [2021-10-20 06:27:14,678 INFO L131 LiptonReduction]: Checked pairs total: 13821 [2021-10-20 06:27:14,678 INFO L133 LiptonReduction]: Total number of compositions: 211 [2021-10-20 06:27:14,686 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 44 transitions, 112 flow [2021-10-20 06:27:14,748 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 793 states, 792 states have (on average 3.1035353535353534) internal successors, (2458), 792 states have internal predecessors, (2458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:27:14,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 793 states, 792 states have (on average 3.1035353535353534) internal successors, (2458), 792 states have internal predecessors, (2458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:27:14,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-20 06:27:14,782 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:27:14,783 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:27:14,783 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-20 06:27:14,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:27:14,787 INFO L82 PathProgramCache]: Analyzing trace with hash -714339061, now seen corresponding path program 1 times [2021-10-20 06:27:14,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:27:14,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893944130] [2021-10-20 06:27:14,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:27:14,799 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:27:14,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:27:14,805 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:27:14,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-20 06:27:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:27:14,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-20 06:27:14,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:27:15,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:27:15,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:27:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:27:15,153 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:27:15,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1893944130] [2021-10-20 06:27:15,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1893944130] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:27:15,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:27:15,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-20 06:27:15,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252393087] [2021-10-20 06:27:15,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-20 06:27:15,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:27:15,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-20 06:27:15,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 06:27:15,178 INFO L87 Difference]: Start difference. First operand has 793 states, 792 states have (on average 3.1035353535353534) internal successors, (2458), 792 states have internal predecessors, (2458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:27:15,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:27:15,232 INFO L93 Difference]: Finished difference Result 793 states and 2182 transitions. [2021-10-20 06:27:15,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 06:27:15,233 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-20 06:27:15,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:27:15,259 INFO L225 Difference]: With dead ends: 793 [2021-10-20 06:27:15,259 INFO L226 Difference]: Without dead ends: 793 [2021-10-20 06:27:15,261 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 06:27:15,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2021-10-20 06:27:15,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793. [2021-10-20 06:27:15,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 792 states have (on average 2.755050505050505) internal successors, (2182), 792 states have internal predecessors, (2182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:27:15,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 2182 transitions. [2021-10-20 06:27:15,421 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 2182 transitions. Word has length 19 [2021-10-20 06:27:15,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:27:15,422 INFO L470 AbstractCegarLoop]: Abstraction has 793 states and 2182 transitions. [2021-10-20 06:27:15,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:27:15,422 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 2182 transitions. [2021-10-20 06:27:15,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-20 06:27:15,429 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:27:15,429 INFO L512 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, 1, 1] [2021-10-20 06:27:15,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-20 06:27:15,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:27:15,642 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-20 06:27:15,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:27:15,642 INFO L82 PathProgramCache]: Analyzing trace with hash 2036569457, now seen corresponding path program 1 times [2021-10-20 06:27:15,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:27:15,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1793742223] [2021-10-20 06:27:15,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:27:15,644 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:27:15,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:27:15,645 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:27:15,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-20 06:27:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:27:15,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-20 06:27:15,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:27:16,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:27:16,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:27:16,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:27:16,251 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:27:16,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1793742223] [2021-10-20 06:27:16,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1793742223] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:27:16,251 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:27:16,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-20 06:27:16,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34741174] [2021-10-20 06:27:16,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 06:27:16,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:27:16,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 06:27:16,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:27:16,268 INFO L87 Difference]: Start difference. First operand 793 states and 2182 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:27:16,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:27:16,322 INFO L93 Difference]: Finished difference Result 794 states and 2183 transitions. [2021-10-20 06:27:16,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:27:16,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-20 06:27:16,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:27:16,333 INFO L225 Difference]: With dead ends: 794 [2021-10-20 06:27:16,334 INFO L226 Difference]: Without dead ends: 794 [2021-10-20 06:27:16,334 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:27:16,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2021-10-20 06:27:16,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 794. [2021-10-20 06:27:16,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 793 states have (on average 2.7528373266078185) internal successors, (2183), 793 states have internal predecessors, (2183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:27:16,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 2183 transitions. [2021-10-20 06:27:16,382 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 2183 transitions. Word has length 35 [2021-10-20 06:27:16,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:27:16,382 INFO L470 AbstractCegarLoop]: Abstraction has 794 states and 2183 transitions. [2021-10-20 06:27:16,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:27:16,383 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 2183 transitions. [2021-10-20 06:27:16,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-20 06:27:16,386 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:27:16,386 INFO L512 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, 1, 1, 1] [2021-10-20 06:27:16,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-20 06:27:16,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:27:16,598 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-20 06:27:16,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:27:16,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1820990606, now seen corresponding path program 1 times [2021-10-20 06:27:16,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:27:16,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136021709] [2021-10-20 06:27:16,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:27:16,599 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:27:16,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:27:16,601 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:27:16,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-20 06:27:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:27:16,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-20 06:27:16,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:27:18,404 INFO L354 Elim1Store]: treesize reduction 310, result has 4.0 percent of original size [2021-10-20 06:27:18,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 28 case distinctions, treesize of input 229 treesize of output 87 [2021-10-20 06:27:18,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:27:18,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:27:20,763 INFO L354 Elim1Store]: treesize reduction 839, result has 11.4 percent of original size [2021-10-20 06:27:20,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 16 new quantified variables, introduced 66 case distinctions, treesize of input 340 treesize of output 202 [2021-10-20 06:29:54,975 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:29:54,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1136021709] [2021-10-20 06:29:54,976 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2021-10-20 06:29:54,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [328788542] [2021-10-20 06:29:54,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:29:54,976 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 06:29:54,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 06:29:54,978 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 06:29:54,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-10-20 06:29:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:29:55,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-20 06:29:55,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:29:55,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:29:55,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:29:55,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:29:55,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:29:55,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:29:55,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:29:55,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2021-10-20 06:29:58,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:29:58,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:29:58,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:29:58,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:29:58,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:29:58,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:29:58,591 INFO L354 Elim1Store]: treesize reduction 923, result has 6.4 percent of original size [2021-10-20 06:29:58,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 81 treesize of output 101 [2021-10-20 06:30:03,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:03,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:03,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:03,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:03,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:30:03,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:33:10,172 WARN L207 SmtUtils]: Spent 3.12 m on a formula simplification. DAG size of input: 347 DAG size of output: 126 [2021-10-20 06:33:10,174 INFO L354 Elim1Store]: treesize reduction 1645, result has 21.1 percent of original size [2021-10-20 06:33:10,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 39 case distinctions, treesize of input 119 treesize of output 495 [2021-10-20 06:37:33,289 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-10-20 06:37:33,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2021-10-20 06:37:33,291 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2021-10-20 06:37:33,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965940220] [2021-10-20 06:37:33,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:37:33,292 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 06:37:33,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:37:33,292 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 06:37:33,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-20 06:37:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:37:33,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-20 06:37:33,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:37:33,707 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2021-10-20 06:37:33,707 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:37:33,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-20 06:37:33,707 ERROR L172 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2021-10-20 06:37:33,707 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-10-20 06:37:33,711 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:37:33,713 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-20 06:37:33,713 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-20 06:37:33,713 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-20 06:37:33,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-20 06:37:33,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2021-10-20 06:37:34,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-20 06:37:34,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4561f1c-a5c1-4f20-a288-c4346b9dce07/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 06:37:34,318 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-20 06:37:34,318 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 06:37:34,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:37:34 BasicIcfg [2021-10-20 06:37:34,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 06:37:34,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 06:37:34,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 06:37:34,340 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 06:37:34,340 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:26:57" (3/4) ... [2021-10-20 06:37:34,342 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-20 06:37:34,343 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 06:37:34,344 INFO L168 Benchmark]: Toolchain (without parser) took 637584.00 ms. Allocated memory was 62.9 MB in the beginning and 98.6 MB in the end (delta: 35.7 MB). Free memory was 42.2 MB in the beginning and 39.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 38.9 MB. Max. memory is 16.1 GB. [2021-10-20 06:37:34,345 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 62.9 MB. Free memory is still 44.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:37:34,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.50 ms. Allocated memory is still 62.9 MB. Free memory was 42.0 MB in the beginning and 41.4 MB in the end (delta: 611.9 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 06:37:34,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.43 ms. Allocated memory is still 62.9 MB. Free memory was 41.2 MB in the beginning and 39.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:37:34,355 INFO L168 Benchmark]: Boogie Preprocessor took 59.33 ms. Allocated memory is still 62.9 MB. Free memory was 39.2 MB in the beginning and 37.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:37:34,356 INFO L168 Benchmark]: RCFGBuilder took 692.15 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 37.5 MB in the beginning and 56.5 MB in the end (delta: -19.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2021-10-20 06:37:34,361 INFO L168 Benchmark]: TraceAbstraction took 636415.10 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 55.9 MB in the beginning and 39.3 MB in the end (delta: 16.5 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.1 GB. [2021-10-20 06:37:34,362 INFO L168 Benchmark]: Witness Printer took 3.63 ms. Allocated memory is still 98.6 MB. Free memory is still 39.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:37:34,367 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 62.9 MB. Free memory is still 44.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 347.50 ms. Allocated memory is still 62.9 MB. Free memory was 42.0 MB in the beginning and 41.4 MB in the end (delta: 611.9 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.43 ms. Allocated memory is still 62.9 MB. Free memory was 41.2 MB in the beginning and 39.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.33 ms. Allocated memory is still 62.9 MB. Free memory was 39.2 MB in the beginning and 37.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 692.15 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 37.5 MB in the beginning and 56.5 MB in the end (delta: -19.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 636415.10 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 55.9 MB in the beginning and 39.3 MB in the end (delta: 16.5 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.1 GB. * Witness Printer took 3.63 ms. Allocated memory is still 98.6 MB. Free memory is still 39.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16472.1ms, 201 PlacesBefore, 49 PlacesAfterwards, 205 TransitionsBefore, 44 TransitionsAfterwards, 5124 CoEnabledTransitionPairs, 10 FixpointIterations, 97 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 14 TrivialYvCompositions, 22 ConcurrentYvCompositions, 9 ChoiceCompositions, 211 TotalNumberOfCompositions, 13821 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9266, positive: 8889, positive conditional: 0, positive unconditional: 8889, negative: 377, negative conditional: 0, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4313, positive: 4236, positive conditional: 0, positive unconditional: 4236, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4313, positive: 4204, positive conditional: 0, positive unconditional: 4204, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 643, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 610, negative conditional: 0, negative unconditional: 610, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9266, positive: 4653, positive conditional: 0, positive unconditional: 4653, negative: 300, negative conditional: 0, negative unconditional: 300, unknown: 4313, unknown conditional: 0, unknown unconditional: 4313] , Statistics on independence cache: Total cache size (in pairs): 427, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 115]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L41] 0 _Bool e1, e2; [L42] 0 int n1, n2, tmp1, tmp2, i, j, i1, i2, n; [L43] 0 int* f; [L86] 0 pthread_t t1, t2, t3; [L89] 0 tmp1 = __VERIFIER_nondet_int() [L90] 0 tmp2 = __VERIFIER_nondet_int() [L91] 0 i = __VERIFIER_nondet_int() [L92] 0 j = __VERIFIER_nondet_int() [L93] 0 i1 = __VERIFIER_nondet_int() [L94] 0 i2 = __VERIFIER_nondet_int() [L95] 0 n = __VERIFIER_nondet_int() [L38] COND FALSE 0 !(!cond) [L38] COND TRUE 0 !cond [L124] 0 int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L125] 0 int i = 0; [L125] COND TRUE 0 i < size [L126] 0 arr[i] = __VERIFIER_nondet_int() [L125] 0 i++ [L128] 0 return arr; [L96] 0 f = create_fresh_int_array(n) [L38] COND TRUE 0 !cond [L38] COND FALSE 0 !(!cond) [L102] 0 e1 = 0 [L103] 0 e2 = 0 [L104] 0 n1 = 0 [L105] 0 n2 = 0 [L107] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) [L48] 1 e1 = 1 [L49] 1 tmp1 = n2 [L50] 1 n1 = ( tmp1 + 1 ) [L51] 1 e1 = 0 [L38] COND FALSE 1 !(!cond) [L38] COND TRUE 1 !cond [L54] 1 i1 = i [L55] EXPR 1 f[i1] [L55] 1 i = f[i1] [L38] COND FALSE 1 !(!cond) [L57] 1 n1 = 0 [L59] 1 return 0; [L108] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) [L63] 2 e2 = 1 [L64] 2 tmp2 = n1 [L65] 2 n2 = ( tmp2 + 1 ) [L66] 2 e2 = 0 [L109] FCALL, FORK 0 pthread_create(&t3, 0, thread3, 0) [L110] 0 \read(t1) [L38] COND TRUE 2 !cond [L38] COND FALSE 2 !(!cond) [L69] 2 i2 = i [L110] FCALL, JOIN 1 pthread_join(t1, 0) [L70] EXPR 2 f[i2] [L70] 2 i = f[i2] [L38] COND FALSE 2 !(!cond) [L72] 2 n2 = 0 [L74] 2 return 0; [L78] EXPR 3 f[j] [L78] 3 j = f[j] [L38] COND FALSE 3 !(!cond) [L80] EXPR 3 f[j] [L80] 3 j = f[j] [L82] 3 return 0; [L111] 0 \read(t2) [L111] FCALL, JOIN 2 pthread_join(t2, 0) [L112] 0 \read(t3) [L112] FCALL, JOIN 3 pthread_join(t3, 0) [L38] COND FALSE 0 !(!cond) [L115] 0 reach_error() - UnprovableResult [Line: 109]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 108]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 263 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 636164.2ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 43.8ms, AutomataDifference: 181.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16581.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 71 SDtfs, 0 SDslu, 60 SDs, 0 SdLazy, 11 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=794occurred in iteration=2, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 193.9ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 70.5ms SsaConstructionTime, 211.3ms SatisfiabilityAnalysisTime, 544.6ms InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 10 NumberOfNonLiveVariables, 223 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...