./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/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_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:58:41,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:58:41,109 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:58:41,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:58:41,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:58:41,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:58:41,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:58:41,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:58:41,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:58:41,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:58:41,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:58:41,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:58:41,164 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:58:41,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:58:41,168 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:58:41,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:58:41,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:58:41,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:58:41,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:58:41,170 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:58:41,171 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:58:41,172 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:58:41,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:58:41,174 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:58:41,174 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:58:41,175 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:58:41,176 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:58:41,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:58:41,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:41,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:58:41,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:58:41,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:58:41,180 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:58:41,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:58:41,180 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:58:41,181 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_778a0d3c-816e-49c2-9e2e-a6f4e471562d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 [2023-11-19 02:58:41,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:58:41,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:58:41,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:58:41,548 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:58:41,548 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:58:41,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-atomic/szymanski.i [2023-11-19 02:58:44,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:58:44,921 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:58:44,922 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/sv-benchmarks/c/pthread-atomic/szymanski.i [2023-11-19 02:58:44,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/data/dcfee17f9/4cd863edcb0e49efab1e3a2d4e69b4af/FLAGfbed1d8a7 [2023-11-19 02:58:44,969 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/data/dcfee17f9/4cd863edcb0e49efab1e3a2d4e69b4af [2023-11-19 02:58:44,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:58:44,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:58:44,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:44,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:58:44,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:58:44,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:44" (1/1) ... [2023-11-19 02:58:44,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c8c5bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:44, skipping insertion in model container [2023-11-19 02:58:44,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:44" (1/1) ... [2023-11-19 02:58:45,062 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:45,231 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:58:45,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:45,437 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:58:45,466 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:58:45,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:45,565 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:45,565 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:45,565 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:45,574 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:58:45,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:45 WrapperNode [2023-11-19 02:58:45,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:45,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:45,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:58:45,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:58:45,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:45" (1/1) ... [2023-11-19 02:58:45,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:45" (1/1) ... [2023-11-19 02:58:45,633 INFO L138 Inliner]: procedures = 171, calls = 77, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2023-11-19 02:58:45,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:45,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:58:45,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:58:45,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:58:45,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:45" (1/1) ... [2023-11-19 02:58:45,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:45" (1/1) ... [2023-11-19 02:58:45,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:45" (1/1) ... [2023-11-19 02:58:45,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:45" (1/1) ... [2023-11-19 02:58:45,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:45" (1/1) ... [2023-11-19 02:58:45,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:45" (1/1) ... [2023-11-19 02:58:45,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:45" (1/1) ... [2023-11-19 02:58:45,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:45" (1/1) ... [2023-11-19 02:58:45,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:58:45,670 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:58:45,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:58:45,694 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:58:45,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:45" (1/1) ... [2023-11-19 02:58:45,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:45,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:58:45,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:58:45,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:58:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 02:58:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 02:58:45,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:58:45,804 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-19 02:58:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-19 02:58:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 02:58:45,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 02:58:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:58:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:58:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:58:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:58:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:58:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:58:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:58:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:58:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:58:45,811 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 02:58:45,982 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:58:45,985 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:46,180 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:46,189 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:46,189 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 02:58:46,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:46 BoogieIcfgContainer [2023-11-19 02:58:46,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:58:46,195 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:58:46,195 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:58:46,208 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:58:46,209 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:46" (1/1) ... [2023-11-19 02:58:46,210 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 02:58:46,217 INFO L158 Benchmark]: Toolchain (without parser) took 1242.43ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 89.9MB in the beginning and 132.0MB in the end (delta: -42.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:46,217 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:46,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 600.58ms. Allocated memory is still 136.3MB. Free memory was 89.6MB in the beginning and 69.2MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 02:58:46,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.66ms. Allocated memory is still 136.3MB. Free memory was 69.2MB in the beginning and 67.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:46,222 INFO L158 Benchmark]: Boogie Preprocessor took 35.03ms. Allocated memory is still 136.3MB. Free memory was 67.1MB in the beginning and 65.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:46,223 INFO L158 Benchmark]: RCFGBuilder took 524.33ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 65.6MB in the beginning and 133.5MB in the end (delta: -67.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-11-19 02:58:46,225 INFO L158 Benchmark]: CodeCheck took 19.47ms. Allocated memory is still 176.2MB. Free memory was 133.5MB in the beginning and 132.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:46,236 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 0.32ms. Allocated memory is still 136.3MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 600.58ms. Allocated memory is still 136.3MB. Free memory was 89.6MB in the beginning and 69.2MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.66ms. Allocated memory is still 136.3MB. Free memory was 69.2MB in the beginning and 67.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.03ms. Allocated memory is still 136.3MB. Free memory was 67.1MB in the beginning and 65.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 524.33ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 65.6MB in the beginning and 133.5MB in the end (delta: -67.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * CodeCheck took 19.47ms. Allocated memory is still 176.2MB. Free memory was 133.5MB in the beginning and 132.0MB in the end (delta: 1.5MB). 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 02:58:46,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/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_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/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_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:58:48,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:58:49,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 02:58:49,122 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:58:49,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:58:49,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:58:49,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:58:49,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:58:49,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:58:49,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:58:49,128 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:58:49,128 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:58:49,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:58:49,130 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:58:49,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:58:49,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:58:49,132 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:58:49,133 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:58:49,133 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:58:49,134 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:58:49,135 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:58:49,135 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:58:49,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:58:49,136 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:58:49,137 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:58:49,137 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:58:49,138 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:58:49,138 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:58:49,139 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:58:49,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:58:49,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:49,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:58:49,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:58:49,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:58:49,141 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:58:49,142 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:58:49,142 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:58:49,142 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:58:49,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:58:49,143 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_778a0d3c-816e-49c2-9e2e-a6f4e471562d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 [2023-11-19 02:58:49,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:58:49,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:58:49,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:58:49,511 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:58:49,512 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:58:49,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-atomic/szymanski.i [2023-11-19 02:58:52,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:58:53,040 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:58:53,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/sv-benchmarks/c/pthread-atomic/szymanski.i [2023-11-19 02:58:53,069 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/data/6e37deee4/404ee335e5e14191bcf1b6d114b584d3/FLAG72098d7e4 [2023-11-19 02:58:53,084 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/data/6e37deee4/404ee335e5e14191bcf1b6d114b584d3 [2023-11-19 02:58:53,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:58:53,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:58:53,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:53,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:58:53,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:58:53,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:53" (1/1) ... [2023-11-19 02:58:53,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7673f6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:53, skipping insertion in model container [2023-11-19 02:58:53,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:53" (1/1) ... [2023-11-19 02:58:53,166 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:53,338 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:58:53,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:53,511 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:58:53,526 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:58:53,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:53,620 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:53,620 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:53,621 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:53,629 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:58:53,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:53 WrapperNode [2023-11-19 02:58:53,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:53,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:53,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:58:53,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:58:53,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:53" (1/1) ... [2023-11-19 02:58:53,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:53" (1/1) ... [2023-11-19 02:58:53,685 INFO L138 Inliner]: procedures = 174, calls = 77, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2023-11-19 02:58:53,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:53,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:58:53,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:58:53,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:58:53,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:53" (1/1) ... [2023-11-19 02:58:53,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:53" (1/1) ... [2023-11-19 02:58:53,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:53" (1/1) ... [2023-11-19 02:58:53,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:53" (1/1) ... [2023-11-19 02:58:53,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:53" (1/1) ... [2023-11-19 02:58:53,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:53" (1/1) ... [2023-11-19 02:58:53,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:53" (1/1) ... [2023-11-19 02:58:53,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:53" (1/1) ... [2023-11-19 02:58:53,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:58:53,773 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:58:53,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:58:53,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:58:53,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:53" (1/1) ... [2023-11-19 02:58:53,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:53,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:58:53,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:58:53,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:58:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 02:58:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 02:58:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:58:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-19 02:58:53,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-19 02:58:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 02:58:53,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 02:58:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:58:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:58:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:58:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:58:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:58:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:58:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:58:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:58:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:58:53,875 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 02:58:54,095 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:58:54,098 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:54,392 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:54,400 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:54,400 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 02:58:54,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:54 BoogieIcfgContainer [2023-11-19 02:58:54,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:58:54,405 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:58:54,406 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:58:54,416 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:58:54,416 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:54" (1/1) ... [2023-11-19 02:58:54,417 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 02:58:54,421 INFO L158 Benchmark]: Toolchain (without parser) took 1331.97ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 46.1MB in the beginning and 36.7MB in the end (delta: 9.4MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-11-19 02:58:54,422 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 49.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:54,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.84ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 45.8MB in the beginning and 57.7MB in the end (delta: -11.9MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-11-19 02:58:54,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.92ms. Allocated memory is still 86.0MB. Free memory was 57.3MB in the beginning and 55.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:54,424 INFO L158 Benchmark]: Boogie Preprocessor took 86.43ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 53.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:54,425 INFO L158 Benchmark]: RCFGBuilder took 631.16ms. Allocated memory is still 86.0MB. Free memory was 53.5MB in the beginning and 37.6MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:58:54,426 INFO L158 Benchmark]: CodeCheck took 14.16ms. Allocated memory is still 86.0MB. Free memory was 37.6MB in the beginning and 36.7MB in the end (delta: 884.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:54,429 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 0.35ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 49.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.84ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 45.8MB in the beginning and 57.7MB in the end (delta: -11.9MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.92ms. Allocated memory is still 86.0MB. Free memory was 57.3MB in the beginning and 55.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.43ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 53.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 631.16ms. Allocated memory is still 86.0MB. Free memory was 53.5MB in the beginning and 37.6MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 14.16ms. Allocated memory is still 86.0MB. Free memory was 37.6MB in the beginning and 36.7MB in the end (delta: 884.5kB). 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 02:58:54,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_778a0d3c-816e-49c2-9e2e-a6f4e471562d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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