./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cfa53b3a6eade068c4346d28766037c8d26fae61c62dd4c8f6fc2f9d68567d2c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 18:25:24,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:25:24,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:25:24,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:25:24,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:25:24,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:25:24,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:25:24,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:25:24,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:25:24,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:25:24,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:25:24,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:25:24,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:25:24,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:25:24,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:25:24,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:25:24,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:25:24,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:25:24,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:25:24,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:25:24,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:25:24,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:25:24,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:25:24,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:25:24,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:25:24,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:25:24,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:25:24,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:25:24,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:25:24,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:25:24,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:25:24,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:25:24,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:25:24,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:25:24,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:25:24,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:25:24,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:25:24,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:25:24,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:25:24,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:25:24,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:25:24,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 18:25:24,603 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:25:24,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:25:24,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:25:24,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:25:24,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:25:24,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:25:24,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:25:24,610 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:25:24,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:25:24,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:25:24,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:25:24,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:25:24,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:25:24,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:25:24,611 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:25:24,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:25:24,611 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:25:24,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:25:24,611 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:25:24,612 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:25:24,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:25:24,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:25:24,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:25:24,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:25:24,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:25:24,612 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:25:24,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:25:24,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:25:24,612 INFO L138 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_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfa53b3a6eade068c4346d28766037c8d26fae61c62dd4c8f6fc2f9d68567d2c [2022-12-14 18:25:24,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:25:24,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:25:24,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:25:24,807 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:25:24,807 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:25:24,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2022-12-14 18:25:27,315 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:25:27,490 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:25:27,490 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2022-12-14 18:25:27,495 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/data/33d764b82/6300bf5f189f4db78a1d0b7212c9ba43/FLAG9f64210ff [2022-12-14 18:25:27,878 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/data/33d764b82/6300bf5f189f4db78a1d0b7212c9ba43 [2022-12-14 18:25:27,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:25:27,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:25:27,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:25:27,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:25:27,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:25:27,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:25:27" (1/1) ... [2022-12-14 18:25:27,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35312615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:27, skipping insertion in model container [2022-12-14 18:25:27,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:25:27" (1/1) ... [2022-12-14 18:25:27,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:25:27,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:25:28,017 WARN L237 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_4359bf44-eadd-458c-8dc5-caef0ef6027d/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c[2303,2316] [2022-12-14 18:25:28,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:25:28,029 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:25:28,043 WARN L237 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_4359bf44-eadd-458c-8dc5-caef0ef6027d/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c[2303,2316] [2022-12-14 18:25:28,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:25:28,054 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:25:28,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28 WrapperNode [2022-12-14 18:25:28,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:25:28,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:25:28,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:25:28,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:25:28,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,078 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-12-14 18:25:28,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:25:28,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:25:28,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:25:28,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:25:28,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,092 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:25:28,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:25:28,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:25:28,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:25:28,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:25:28,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:25:28,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:25:28,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:25:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2022-12-14 18:25:28,153 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2022-12-14 18:25:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:25:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 18:25:28,153 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 18:25:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 18:25:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 18:25:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 18:25:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 18:25:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:25:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:25:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:25:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:25:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:25:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:25:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:25:28,155 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 18:25:28,229 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:25:28,231 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:25:28,379 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:25:28,385 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:25:28,385 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:25:28,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:25:28 BoogieIcfgContainer [2022-12-14 18:25:28,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:25:28,388 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:25:28,388 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:25:28,394 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:25:28,395 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:25:28" (1/1) ... [2022-12-14 18:25:28,395 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:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-12-14 18:25:28,398 INFO L158 Benchmark]: Toolchain (without parser) took 516.67ms. Allocated memory is still 144.7MB. Free memory was 112.1MB in the beginning and 83.4MB in the end (delta: 28.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 18:25:28,398 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 144.7MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:25:28,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.80ms. Allocated memory is still 144.7MB. Free memory was 112.1MB in the beginning and 101.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 18:25:28,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.57ms. Allocated memory is still 144.7MB. Free memory was 101.2MB in the beginning and 99.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:25:28,399 INFO L158 Benchmark]: Boogie Preprocessor took 15.66ms. Allocated memory is still 144.7MB. Free memory was 99.5MB in the beginning and 98.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:25:28,400 INFO L158 Benchmark]: RCFGBuilder took 292.23ms. Allocated memory is still 144.7MB. Free memory was 98.1MB in the beginning and 84.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 18:25:28,400 INFO L158 Benchmark]: CodeCheck took 9.13ms. Allocated memory is still 144.7MB. Free memory was 84.4MB in the beginning and 83.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:25:28,402 INFO L339 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:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 144.7MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.80ms. Allocated memory is still 144.7MB. Free memory was 112.1MB in the beginning and 101.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.57ms. Allocated memory is still 144.7MB. Free memory was 101.2MB in the beginning and 99.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.66ms. Allocated memory is still 144.7MB. Free memory was 99.5MB in the beginning and 98.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 292.23ms. Allocated memory is still 144.7MB. Free memory was 98.1MB in the beginning and 84.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 9.13ms. Allocated memory is still 144.7MB. Free memory was 84.4MB in the beginning and 83.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 18:25:28,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cfa53b3a6eade068c4346d28766037c8d26fae61c62dd4c8f6fc2f9d68567d2c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 18:25:30,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:25:30,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:25:30,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:25:30,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:25:30,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:25:30,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:25:30,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:25:30,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:25:30,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:25:30,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:25:30,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:25:30,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:25:30,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:25:30,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:25:30,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:25:30,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:25:30,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:25:30,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:25:30,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:25:30,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:25:30,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:25:30,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:25:30,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:25:30,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:25:30,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:25:30,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:25:30,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:25:30,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:25:30,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:25:30,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:25:30,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:25:30,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:25:30,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:25:30,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:25:30,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:25:30,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:25:30,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:25:30,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:25:30,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:25:30,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:25:30,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-12-14 18:25:30,257 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:25:30,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:25:30,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:25:30,258 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:25:30,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:25:30,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:25:30,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:25:30,259 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:25:30,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:25:30,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:25:30,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:25:30,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:25:30,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:25:30,260 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 18:25:30,260 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 18:25:30,260 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 18:25:30,260 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:25:30,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:25:30,261 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:25:30,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:25:30,261 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:25:30,261 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:25:30,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:25:30,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:25:30,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:25:30,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:25:30,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:25:30,262 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 18:25:30,263 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 18:25:30,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:25:30,263 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 18:25:30,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 18:25:30,263 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfa53b3a6eade068c4346d28766037c8d26fae61c62dd4c8f6fc2f9d68567d2c [2022-12-14 18:25:30,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:25:30,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:25:30,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:25:30,492 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:25:30,492 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:25:30,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2022-12-14 18:25:33,135 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:25:33,306 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:25:33,306 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2022-12-14 18:25:33,312 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/data/254abf0db/4f61445d332b47e8a0498c4331cb72d4/FLAGb5a5d2746 [2022-12-14 18:25:33,323 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/data/254abf0db/4f61445d332b47e8a0498c4331cb72d4 [2022-12-14 18:25:33,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:25:33,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:25:33,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:25:33,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:25:33,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:25:33,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:25:33" (1/1) ... [2022-12-14 18:25:33,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d3847e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:33, skipping insertion in model container [2022-12-14 18:25:33,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:25:33" (1/1) ... [2022-12-14 18:25:33,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:25:33,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:25:33,467 WARN L237 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_4359bf44-eadd-458c-8dc5-caef0ef6027d/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c[2303,2316] [2022-12-14 18:25:33,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:25:33,481 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:25:33,495 WARN L237 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_4359bf44-eadd-458c-8dc5-caef0ef6027d/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c[2303,2316] [2022-12-14 18:25:33,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:25:33,508 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:25:33,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:33 WrapperNode [2022-12-14 18:25:33,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:25:33,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:25:33,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:25:33,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:25:33,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:33" (1/1) ... [2022-12-14 18:25:33,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:33" (1/1) ... [2022-12-14 18:25:33,534 INFO L138 Inliner]: procedures = 24, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2022-12-14 18:25:33,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:25:33,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:25:33,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:25:33,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:25:33,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:33" (1/1) ... [2022-12-14 18:25:33,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:33" (1/1) ... [2022-12-14 18:25:33,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:33" (1/1) ... [2022-12-14 18:25:33,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:33" (1/1) ... [2022-12-14 18:25:33,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:33" (1/1) ... [2022-12-14 18:25:33,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:33" (1/1) ... [2022-12-14 18:25:33,551 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:33" (1/1) ... [2022-12-14 18:25:33,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:33" (1/1) ... [2022-12-14 18:25:33,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:25:33,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:25:33,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:25:33,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:25:33,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:33" (1/1) ... [2022-12-14 18:25:33,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:25:33,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:25:33,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:25:33,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:25:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2022-12-14 18:25:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2022-12-14 18:25:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:25:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 18:25:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 18:25:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 18:25:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 18:25:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 18:25:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 18:25:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 18:25:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:25:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 18:25:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:25:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:25:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:25:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 18:25:33,608 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 18:25:33,685 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:25:33,686 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:25:33,840 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:25:33,845 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:25:33,845 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:25:33,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:25:33 BoogieIcfgContainer [2022-12-14 18:25:33,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:25:33,847 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:25:33,847 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:25:33,854 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:25:33,854 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:25:33" (1/1) ... [2022-12-14 18:25:33,855 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:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-12-14 18:25:33,858 INFO L158 Benchmark]: Toolchain (without parser) took 531.55ms. Allocated memory is still 96.5MB. Free memory was 75.7MB in the beginning and 72.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2022-12-14 18:25:33,858 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 50.3MB. Free memory was 29.0MB in the beginning and 28.9MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:25:33,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.11ms. Allocated memory is still 96.5MB. Free memory was 75.4MB in the beginning and 64.1MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 18:25:33,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.52ms. Allocated memory is still 96.5MB. Free memory was 63.8MB in the beginning and 62.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:25:33,859 INFO L158 Benchmark]: Boogie Preprocessor took 18.74ms. Allocated memory is still 96.5MB. Free memory was 62.3MB in the beginning and 61.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:25:33,860 INFO L158 Benchmark]: RCFGBuilder took 292.69ms. Allocated memory is still 96.5MB. Free memory was 60.8MB in the beginning and 73.3MB in the end (delta: -12.5MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-12-14 18:25:33,860 INFO L158 Benchmark]: CodeCheck took 9.15ms. Allocated memory is still 96.5MB. Free memory was 72.9MB in the beginning and 72.3MB in the end (delta: 596.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:25:33,862 INFO L339 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:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 50.3MB. Free memory was 29.0MB in the beginning and 28.9MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.11ms. Allocated memory is still 96.5MB. Free memory was 75.4MB in the beginning and 64.1MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.52ms. Allocated memory is still 96.5MB. Free memory was 63.8MB in the beginning and 62.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.74ms. Allocated memory is still 96.5MB. Free memory was 62.3MB in the beginning and 61.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 292.69ms. Allocated memory is still 96.5MB. Free memory was 60.8MB in the beginning and 73.3MB in the end (delta: -12.5MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * CodeCheck took 9.15ms. Allocated memory is still 96.5MB. Free memory was 72.9MB in the beginning and 72.3MB in the end (delta: 596.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 18:25:33,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4359bf44-eadd-458c-8dc5-caef0ef6027d/bin/ukojak-rkRKPMF4O4/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