./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:35:34,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:35:34,842 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:35:34,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:35:34,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:35:34,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:35:34,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:35:34,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:35:34,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:35:34,899 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:35:34,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:35:34,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:35:34,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:35:34,901 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:35:34,902 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:35:34,902 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:35:34,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:35:34,903 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:35:34,904 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:35:34,904 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:35:34,905 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:35:34,906 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:35:34,906 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:35:34,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:35:34,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:34,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:35:34,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:35:34,909 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:35:34,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:35:34,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 [2023-11-19 03:35:35,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:35:35,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:35:35,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:35:35,259 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:35:35,260 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:35:35,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2023-11-19 03:35:38,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:35:38,751 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:35:38,752 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2023-11-19 03:35:38,770 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/data/8346a12bf/9b6e8944a2f44100a62a369bd84ab851/FLAG62a0fe64d [2023-11-19 03:35:38,794 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/data/8346a12bf/9b6e8944a2f44100a62a369bd84ab851 [2023-11-19 03:35:38,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:35:38,806 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:35:38,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:38,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:35:38,814 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:35:38,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:38" (1/1) ... [2023-11-19 03:35:38,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61efac1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:38, skipping insertion in model container [2023-11-19 03:35:38,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:38" (1/1) ... [2023-11-19 03:35:38,848 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:35:39,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:39,060 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:35:39,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:39,102 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:39,102 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:39,109 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:35:39,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39 WrapperNode [2023-11-19 03:35:39,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:39,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:39,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:35:39,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:35:39,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,175 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 17, calls inlined = 23, statements flattened = 292 [2023-11-19 03:35:39,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:39,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:35:39,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:35:39,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:35:39,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,227 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:35:39,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:35:39,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:35:39,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:35:39,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:39" (1/1) ... [2023-11-19 03:35:39,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:39,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:35:39,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:35:39,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:35:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:35:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:35:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:35:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:35:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:35:39,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:35:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:35:39,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:35:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:35:39,322 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:35:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:35:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:35:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:35:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:35:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:35:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:35:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:35:39,326 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:35:39,462 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:35:39,464 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:35:40,306 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:35:40,552 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:35:40,553 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 03:35:40,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:40 BoogieIcfgContainer [2023-11-19 03:35:40,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:35:40,562 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:35:40,562 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:35:40,573 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:35:40,573 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:40" (1/1) ... [2023-11-19 03:35:40,574 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:35:40,580 INFO L158 Benchmark]: Toolchain (without parser) took 1773.20ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 124.1MB in the beginning and 161.1MB in the end (delta: -37.0MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-11-19 03:35:40,581 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 125.8MB. Free memory was 83.3MB in the beginning and 83.2MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:35:40,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.36ms. Allocated memory is still 155.2MB. Free memory was 123.8MB in the beginning and 111.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:35:40,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.82ms. Allocated memory is still 155.2MB. Free memory was 111.2MB in the beginning and 108.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:35:40,587 INFO L158 Benchmark]: Boogie Preprocessor took 56.75ms. Allocated memory is still 155.2MB. Free memory was 108.6MB in the beginning and 106.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:40,589 INFO L158 Benchmark]: RCFGBuilder took 1326.64ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 106.5MB in the beginning and 162.2MB in the end (delta: -55.7MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2023-11-19 03:35:40,591 INFO L158 Benchmark]: CodeCheck took 16.31ms. Allocated memory is still 205.5MB. Free memory was 162.2MB in the beginning and 161.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:40,607 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 125.8MB. Free memory was 83.3MB in the beginning and 83.2MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.36ms. Allocated memory is still 155.2MB. Free memory was 123.8MB in the beginning and 111.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.82ms. Allocated memory is still 155.2MB. Free memory was 111.2MB in the beginning and 108.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.75ms. Allocated memory is still 155.2MB. Free memory was 108.6MB in the beginning and 106.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1326.64ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 106.5MB in the beginning and 162.2MB in the end (delta: -55.7MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. * CodeCheck took 16.31ms. Allocated memory is still 205.5MB. Free memory was 162.2MB in the beginning and 161.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:35:40,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:35:43,808 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:35:43,902 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:35:43,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:35:43,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:35:43,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:35:43,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:35:43,960 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:35:43,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:35:43,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:35:43,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:35:43,967 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:35:43,968 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:35:43,970 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:35:43,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:35:43,971 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:35:43,972 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:35:43,973 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:35:43,973 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:35:43,975 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:35:43,975 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:35:43,976 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:35:43,977 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:35:43,977 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:35:43,978 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:35:43,978 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:35:43,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:35:43,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:43,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:35:43,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:35:43,983 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:35:43,984 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:35:43,984 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:35:43,985 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:35:43,985 INFO L153 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_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 [2023-11-19 03:35:44,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:35:44,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:35:44,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:35:44,551 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:35:44,553 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:35:44,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2023-11-19 03:35:47,952 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:35:48,212 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:35:48,213 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2023-11-19 03:35:48,224 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/data/be1bc7260/e37fa5de8d2a429db371446583c16834/FLAGe759e7cd6 [2023-11-19 03:35:48,241 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/data/be1bc7260/e37fa5de8d2a429db371446583c16834 [2023-11-19 03:35:48,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:35:48,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:35:48,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:48,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:35:48,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:35:48,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:48" (1/1) ... [2023-11-19 03:35:48,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@433e38ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:48, skipping insertion in model container [2023-11-19 03:35:48,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:48" (1/1) ... [2023-11-19 03:35:48,291 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:35:48,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:48,640 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:35:48,656 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:35:48,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:48,711 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:35:48,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:48,788 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:48,788 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:48,798 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:35:48,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:48 WrapperNode [2023-11-19 03:35:48,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:48,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:48,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:35:48,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:35:48,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:48" (1/1) ... [2023-11-19 03:35:48,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:48" (1/1) ... [2023-11-19 03:35:48,903 INFO L138 Inliner]: procedures = 28, calls = 56, calls flagged for inlining = 17, calls inlined = 23, statements flattened = 284 [2023-11-19 03:35:48,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:48,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:35:48,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:35:48,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:35:48,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:48" (1/1) ... [2023-11-19 03:35:48,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:48" (1/1) ... [2023-11-19 03:35:48,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:48" (1/1) ... [2023-11-19 03:35:48,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:48" (1/1) ... [2023-11-19 03:35:48,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:48" (1/1) ... [2023-11-19 03:35:48,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:48" (1/1) ... [2023-11-19 03:35:48,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:48" (1/1) ... [2023-11-19 03:35:48,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:48" (1/1) ... [2023-11-19 03:35:48,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:35:48,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:35:48,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:35:48,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:35:48,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:48" (1/1) ... [2023-11-19 03:35:48,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:48,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:35:49,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:35:49,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:35:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:35:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:35:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:35:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:35:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:35:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:35:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:35:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:35:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:35:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:35:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:35:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:35:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:35:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:35:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:35:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:35:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:35:49,059 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:35:49,216 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:35:49,219 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:35:50,264 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:35:50,574 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:35:50,575 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 03:35:50,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:50 BoogieIcfgContainer [2023-11-19 03:35:50,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:35:50,589 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:35:50,589 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:35:50,602 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:35:50,602 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:50" (1/1) ... [2023-11-19 03:35:50,603 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:35:50,611 INFO L158 Benchmark]: Toolchain (without parser) took 2363.73ms. Allocated memory is still 88.1MB. Free memory was 63.9MB in the beginning and 50.8MB in the end (delta: 13.1MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-19 03:35:50,612 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:35:50,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.88ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 49.2MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:35:50,615 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.31ms. Allocated memory is still 88.1MB. Free memory was 49.0MB in the beginning and 46.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:50,616 INFO L158 Benchmark]: Boogie Preprocessor took 63.38ms. Allocated memory is still 88.1MB. Free memory was 46.4MB in the beginning and 65.5MB in the end (delta: -19.2MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2023-11-19 03:35:50,619 INFO L158 Benchmark]: RCFGBuilder took 1618.66ms. Allocated memory is still 88.1MB. Free memory was 65.5MB in the beginning and 52.0MB in the end (delta: 13.6MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2023-11-19 03:35:50,621 INFO L158 Benchmark]: CodeCheck took 20.37ms. Allocated memory is still 88.1MB. Free memory was 52.0MB in the beginning and 50.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:50,632 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 550.88ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 49.2MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.31ms. Allocated memory is still 88.1MB. Free memory was 49.0MB in the beginning and 46.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.38ms. Allocated memory is still 88.1MB. Free memory was 46.4MB in the beginning and 65.5MB in the end (delta: -19.2MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1618.66ms. Allocated memory is still 88.1MB. Free memory was 65.5MB in the beginning and 52.0MB in the end (delta: 13.6MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * CodeCheck took 20.37ms. Allocated memory is still 88.1MB. Free memory was 52.0MB in the beginning and 50.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:35:50,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224bdb88-9386-4cc9-84dd-9ee63fcd9c3d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported