./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-match-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/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_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-match-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77faa562cc80dab159af187984ab1ce484b13225711253aedc5512d7a84dfd3f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:16,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:16,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:07:16,667 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:07:16,668 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:07:16,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:16,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:16,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:16,708 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:16,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:16,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:16,715 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:16,715 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:16,717 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:07:16,718 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:16,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:16,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:16,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:16,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:16,720 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:16,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:16,722 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:16,722 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:16,723 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:16,723 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:16,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:16,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:16,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:16,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:16,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:16,728 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:07:16,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:07:16,729 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:16,729 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_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77faa562cc80dab159af187984ab1ce484b13225711253aedc5512d7a84dfd3f [2023-11-19 03:07:17,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:17,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:17,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:17,100 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:17,101 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:17,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/chl-match-symm.wvr.c [2023-11-19 03:07:20,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:20,572 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:20,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/sv-benchmarks/c/weaver/chl-match-symm.wvr.c [2023-11-19 03:07:20,583 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/data/087d0f450/e1a77b8c5e60443e9e41f082a37b149c/FLAG931674bf0 [2023-11-19 03:07:20,610 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/data/087d0f450/e1a77b8c5e60443e9e41f082a37b149c [2023-11-19 03:07:20,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:20,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:20,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:20,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:20,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:20,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:20" (1/1) ... [2023-11-19 03:07:20,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb7d651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:20, skipping insertion in model container [2023-11-19 03:07:20,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:20" (1/1) ... [2023-11-19 03:07:20,670 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:20,921 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/sv-benchmarks/c/weaver/chl-match-symm.wvr.c[2610,2623] [2023-11-19 03:07:20,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:20,948 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:20,980 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/sv-benchmarks/c/weaver/chl-match-symm.wvr.c[2610,2623] [2023-11-19 03:07:20,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:21,002 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:21,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:21 WrapperNode [2023-11-19 03:07:21,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:21,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:21,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:21,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:21,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:21" (1/1) ... [2023-11-19 03:07:21,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:21" (1/1) ... [2023-11-19 03:07:21,060 INFO L138 Inliner]: procedures = 22, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2023-11-19 03:07:21,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:21,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:21,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:21,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:21,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:21" (1/1) ... [2023-11-19 03:07:21,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:21" (1/1) ... [2023-11-19 03:07:21,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:21" (1/1) ... [2023-11-19 03:07:21,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:21" (1/1) ... [2023-11-19 03:07:21,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:21" (1/1) ... [2023-11-19 03:07:21,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:21" (1/1) ... [2023-11-19 03:07:21,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:21" (1/1) ... [2023-11-19 03:07:21,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:21" (1/1) ... [2023-11-19 03:07:21,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:21,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:21,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:21,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:21,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:21" (1/1) ... [2023-11-19 03:07:21,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:21,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:21,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:21,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:07:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:07:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:07:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:07:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:07:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:07:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:07:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:07:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-19 03:07:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-19 03:07:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:07:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:07:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:07:21,230 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:07:21,389 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:21,391 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:07:21,650 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:21,663 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:21,667 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:07:21,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:21 BoogieIcfgContainer [2023-11-19 03:07:21,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:21,676 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:21,676 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:21,689 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:21,689 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:21" (1/1) ... [2023-11-19 03:07:21,690 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:07:21,695 INFO L158 Benchmark]: Toolchain (without parser) took 1075.73ms. Allocated memory is still 155.2MB. Free memory was 108.7MB in the beginning and 78.7MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:07:21,696 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 155.2MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:21,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.47ms. Allocated memory is still 155.2MB. Free memory was 108.7MB in the beginning and 97.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:07:21,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.86ms. Allocated memory is still 155.2MB. Free memory was 97.2MB in the beginning and 95.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:21,700 INFO L158 Benchmark]: Boogie Preprocessor took 53.67ms. Allocated memory is still 155.2MB. Free memory was 95.5MB in the beginning and 94.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:21,701 INFO L158 Benchmark]: RCFGBuilder took 557.44ms. Allocated memory is still 155.2MB. Free memory was 94.0MB in the beginning and 79.6MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:07:21,701 INFO L158 Benchmark]: CodeCheck took 17.02ms. Allocated memory is still 155.2MB. Free memory was 79.6MB in the beginning and 78.7MB in the end (delta: 884.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:21,705 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 0.34ms. Allocated memory is still 155.2MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.47ms. Allocated memory is still 155.2MB. Free memory was 108.7MB in the beginning and 97.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.86ms. Allocated memory is still 155.2MB. Free memory was 97.2MB in the beginning and 95.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.67ms. Allocated memory is still 155.2MB. Free memory was 95.5MB in the beginning and 94.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 557.44ms. Allocated memory is still 155.2MB. Free memory was 94.0MB in the beginning and 79.6MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 17.02ms. Allocated memory is still 155.2MB. Free memory was 79.6MB in the beginning and 78.7MB in the end (delta: 884.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:07:21,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/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_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-match-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77faa562cc80dab159af187984ab1ce484b13225711253aedc5512d7a84dfd3f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:24,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:24,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:07:24,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:24,567 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:24,568 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:24,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:24,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:24,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:24,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:24,572 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:24,573 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:24,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:24,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:24,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:24,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:24,576 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:07:24,577 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:07:24,577 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:07:24,578 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:24,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:24,579 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:24,580 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:24,580 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:24,581 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:24,581 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:07:24,582 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:07:24,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:24,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:24,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:24,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:24,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:24,585 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:07:24,585 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:07:24,586 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:24,586 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:07:24,586 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:07:24,586 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_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77faa562cc80dab159af187984ab1ce484b13225711253aedc5512d7a84dfd3f [2023-11-19 03:07:25,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:25,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:25,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:25,061 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:25,062 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:25,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/chl-match-symm.wvr.c [2023-11-19 03:07:28,238 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:28,597 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:28,598 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/sv-benchmarks/c/weaver/chl-match-symm.wvr.c [2023-11-19 03:07:28,610 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/data/ad4bff41a/504a02913718439c989c64a777a388f7/FLAG18081d5c0 [2023-11-19 03:07:28,630 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/data/ad4bff41a/504a02913718439c989c64a777a388f7 [2023-11-19 03:07:28,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:28,635 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:28,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:28,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:28,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:28,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:28" (1/1) ... [2023-11-19 03:07:28,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@422a1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:28, skipping insertion in model container [2023-11-19 03:07:28,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:28" (1/1) ... [2023-11-19 03:07:28,678 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:28,869 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/sv-benchmarks/c/weaver/chl-match-symm.wvr.c[2610,2623] [2023-11-19 03:07:28,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:28,904 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:28,949 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/sv-benchmarks/c/weaver/chl-match-symm.wvr.c[2610,2623] [2023-11-19 03:07:28,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:28,981 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:28,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:28 WrapperNode [2023-11-19 03:07:28,981 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:28,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:28,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:28,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:28,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:28" (1/1) ... [2023-11-19 03:07:29,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:28" (1/1) ... [2023-11-19 03:07:29,051 INFO L138 Inliner]: procedures = 24, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2023-11-19 03:07:29,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:29,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:29,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:29,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:29,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:28" (1/1) ... [2023-11-19 03:07:29,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:28" (1/1) ... [2023-11-19 03:07:29,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:28" (1/1) ... [2023-11-19 03:07:29,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:28" (1/1) ... [2023-11-19 03:07:29,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:28" (1/1) ... [2023-11-19 03:07:29,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:28" (1/1) ... [2023-11-19 03:07:29,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:28" (1/1) ... [2023-11-19 03:07:29,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:28" (1/1) ... [2023-11-19 03:07:29,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:29,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:29,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:29,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:29,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:28" (1/1) ... [2023-11-19 03:07:29,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:29,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:29,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:29,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:07:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:07:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:07:29,227 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:07:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:07:29,228 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:07:29,228 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:07:29,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:07:29,228 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-19 03:07:29,228 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-19 03:07:29,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:07:29,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:29,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:29,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:07:29,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:07:29,233 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:07:29,461 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:29,464 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:07:29,754 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:29,764 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:29,764 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:07:29,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:29 BoogieIcfgContainer [2023-11-19 03:07:29,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:29,770 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:29,771 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:29,782 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:29,782 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:29" (1/1) ... [2023-11-19 03:07:29,783 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:07:29,788 INFO L158 Benchmark]: Toolchain (without parser) took 1152.01ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 50.5MB in the end (delta: 7.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-11-19 03:07:29,789 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 57.6MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:29,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.12ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 45.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:07:29,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.91ms. Allocated memory is still 81.8MB. Free memory was 45.4MB in the beginning and 43.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:29,791 INFO L158 Benchmark]: Boogie Preprocessor took 68.82ms. Allocated memory is still 81.8MB. Free memory was 43.9MB in the beginning and 42.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:29,792 INFO L158 Benchmark]: RCFGBuilder took 647.46ms. Allocated memory is still 81.8MB. Free memory was 42.4MB in the beginning and 51.4MB in the end (delta: -9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:07:29,793 INFO L158 Benchmark]: CodeCheck took 16.03ms. Allocated memory is still 81.8MB. Free memory was 51.4MB in the beginning and 50.5MB in the end (delta: 881.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:29,796 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 0.20ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 57.6MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.12ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 45.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.91ms. Allocated memory is still 81.8MB. Free memory was 45.4MB in the beginning and 43.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.82ms. Allocated memory is still 81.8MB. Free memory was 43.9MB in the beginning and 42.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 647.46ms. Allocated memory is still 81.8MB. Free memory was 42.4MB in the beginning and 51.4MB in the end (delta: -9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 16.03ms. Allocated memory is still 81.8MB. Free memory was 51.4MB in the beginning and 50.5MB in the end (delta: 881.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:07:29,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b5ebc8d-c9af-41b3-be74-76044c4b8ae7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported