./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV --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 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:36,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:36,185 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:00:36,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:00:36,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:00:36,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:36,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:00:36,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:00:36,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:36,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:36,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:36,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:00:36,226 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:00:36,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:00:36,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:00:36,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:36,228 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:00:36,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:36,229 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:00:36,230 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:00:36,230 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:00:36,231 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:00:36,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:00:36,232 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:36,233 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:36,234 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:36,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:36,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:36,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:36,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:36,236 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:00:36,237 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:00:36,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:00:36,238 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:00:36,238 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_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f [2023-11-12 00:00:36,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:36,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:36,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:36,565 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:36,566 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:36,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-12 00:00:39,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:39,781 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:39,782 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-12 00:00:39,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/data/eb01e8214/d4c7ee51d9904cec99b1ac4907aa752d/FLAGbaa45ea40 [2023-11-12 00:00:39,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/data/eb01e8214/d4c7ee51d9904cec99b1ac4907aa752d [2023-11-12 00:00:39,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:39,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:39,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:39,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:39,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:39,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:39" (1/1) ... [2023-11-12 00:00:39,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8724d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:39, skipping insertion in model container [2023-11-12 00:00:39,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:39" (1/1) ... [2023-11-12 00:00:39,888 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:40,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:40,243 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:40,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:40,293 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:40,293 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:40,302 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:40,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40 WrapperNode [2023-11-12 00:00:40,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:40,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:40,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:40,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:40,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,353 INFO L138 Inliner]: procedures = 26, calls = 80, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 128 [2023-11-12 00:00:40,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:40,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:40,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:40,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:40,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:40,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:40,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:40,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:40,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:40,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:40,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:40,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:00:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-12 00:00:40,539 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-12 00:00:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:00:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:00:40,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:00:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:00:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:00:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:00:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:00:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-12 00:00:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-12 00:00:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:00:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:00:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:00:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-12 00:00:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-12 00:00:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:00:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:00:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:00:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:40,548 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:00:40,742 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:40,746 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:41,431 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:41,730 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:41,731 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-12 00:00:41,731 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L53-4 is neither atomic block end nor a sink node. [2023-11-12 00:00:41,733 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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) [2023-11-12 00:00:41,737 INFO L158 Benchmark]: Toolchain (without parser) took 1912.66ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 60.3MB in the beginning and 76.9MB in the end (delta: -16.6MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-11-12 00:00:41,737 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 123.7MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:41,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.04ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 60.2MB in the beginning and 127.2MB in the end (delta: -67.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-12 00:00:41,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.53ms. Allocated memory is still 163.6MB. Free memory was 127.2MB in the beginning and 125.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:41,740 INFO L158 Benchmark]: Boogie Preprocessor took 80.97ms. Allocated memory is still 163.6MB. Free memory was 125.1MB in the beginning and 123.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:41,740 INFO L158 Benchmark]: RCFGBuilder took 1298.78ms. Allocated memory is still 163.6MB. Free memory was 123.0MB in the beginning and 76.9MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:41,743 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 123.7MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.04ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 60.2MB in the beginning and 127.2MB in the end (delta: -67.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.53ms. Allocated memory is still 163.6MB. Free memory was 127.2MB in the beginning and 125.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.97ms. Allocated memory is still 163.6MB. Free memory was 125.1MB in the beginning and 123.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1298.78ms. Allocated memory is still 163.6MB. Free memory was 123.0MB in the beginning and 76.9MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:00:41,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/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_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV --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 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:44,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:44,713 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-12 00:00:44,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:44,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:00:44,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:00:44,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:44,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:44,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:44,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:00:44,773 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:00:44,774 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:00:44,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:44,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:00:44,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:44,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:00:44,778 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:00:44,778 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:00:44,779 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:00:44,779 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:00:44,780 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:00:44,781 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:00:44,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:00:44,782 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:44,782 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:44,783 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:44,783 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:00:44,784 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:44,784 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:00:44,785 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:44,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:44,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:44,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:44,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:00:44,788 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:00:44,788 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:44,789 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:00:44,789 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:00:44,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:00:44,790 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_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f [2023-11-12 00:00:45,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:45,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:45,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:45,250 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:45,250 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:45,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-12 00:00:48,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:48,737 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:48,737 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-12 00:00:48,753 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/data/f2209c3b1/8a474be46b174a25a67b4c3581c43c5a/FLAGb04575a5c [2023-11-12 00:00:48,770 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/data/f2209c3b1/8a474be46b174a25a67b4c3581c43c5a [2023-11-12 00:00:48,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:48,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:48,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:48,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:48,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:48,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:48" (1/1) ... [2023-11-12 00:00:48,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f6d3d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:48, skipping insertion in model container [2023-11-12 00:00:48,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:48" (1/1) ... [2023-11-12 00:00:48,830 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:49,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:49,097 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 00:00:49,102 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:49,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:49,150 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:49,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:49,199 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:49,200 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:49,208 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:49,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:49 WrapperNode [2023-11-12 00:00:49,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:49,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:49,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:49,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:49,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:49" (1/1) ... [2023-11-12 00:00:49,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:49" (1/1) ... [2023-11-12 00:00:49,257 INFO L138 Inliner]: procedures = 28, calls = 80, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2023-11-12 00:00:49,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:49,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:49,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:49,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:49,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:49" (1/1) ... [2023-11-12 00:00:49,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:49" (1/1) ... [2023-11-12 00:00:49,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:49" (1/1) ... [2023-11-12 00:00:49,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:49" (1/1) ... [2023-11-12 00:00:49,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:49" (1/1) ... [2023-11-12 00:00:49,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:49" (1/1) ... [2023-11-12 00:00:49,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:49" (1/1) ... [2023-11-12 00:00:49,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:49" (1/1) ... [2023-11-12 00:00:49,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:49,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:49,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:49,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:49,325 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:49" (1/1) ... [2023-11-12 00:00:49,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:49,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:49,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:49,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:00:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-12 00:00:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-12 00:00:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:00:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:00:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:00:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:00:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:00:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:00:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:00:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-12 00:00:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-12 00:00:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:00:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:00:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-12 00:00:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-12 00:00:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:00:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:00:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:00:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:49,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:00:49,448 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:00:49,595 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:49,597 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:50,219 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:50,463 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:50,464 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-12 00:00:50,465 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L53-4 is neither atomic block end nor a sink node. [2023-11-12 00:00:50,465 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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) [2023-11-12 00:00:50,470 INFO L158 Benchmark]: Toolchain (without parser) took 1691.06ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 59.7MB in the beginning and 64.1MB in the end (delta: -4.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-11-12 00:00:50,470 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:50,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.28ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 43.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:00:50,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.63ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 41.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:50,472 INFO L158 Benchmark]: Boogie Preprocessor took 64.45ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 39.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:50,473 INFO L158 Benchmark]: RCFGBuilder took 1144.95ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 38.8MB in the beginning and 64.1MB in the end (delta: -25.3MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-12 00:00:50,476 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.28ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 43.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.63ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 41.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.45ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 39.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1144.95ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 38.8MB in the beginning and 64.1MB in the end (delta: -25.3MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:00:50,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20ef8b1-5f97-4d70-8399-c5d48af253ca/bin/ukojak-verify-0OAaufAVZV/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?