./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ --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 6e064514c886eab27bff1253cfa87b1ac324d3dc8890599c3d4384e987c0d244 --- 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-6b4ec56 [2022-11-20 18:14:15,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:14:15,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:14:16,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:14:16,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:14:16,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:14:16,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:14:16,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:14:16,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:14:16,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:14:16,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:14:16,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:14:16,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:14:16,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:14:16,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:14:16,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:14:16,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:14:16,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:14:16,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:14:16,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:14:16,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:14:16,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:14:16,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:14:16,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:14:16,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:14:16,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:14:16,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:14:16,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:14:16,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:14:16,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:14:16,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:14:16,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:14:16,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:14:16,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:14:16,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:14:16,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:14:16,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:14:16,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:14:16,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:14:16,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:14:16,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:14:16,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 18:14:16,144 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:14:16,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:14:16,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:14:16,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:14:16,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:14:16,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:14:16,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:14:16,146 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:14:16,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:14:16,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:14:16,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:14:16,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:14:16,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:14:16,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:14:16,149 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:14:16,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:14:16,149 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:14:16,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:14:16,149 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:14:16,149 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:14:16,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:14:16,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:14:16,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:14:16,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:14:16,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:14:16,151 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:14:16,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:14:16,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:14:16,151 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_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e064514c886eab27bff1253cfa87b1ac324d3dc8890599c3d4384e987c0d244 [2022-11-20 18:14:16,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:14:16,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:14:16,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:14:16,516 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:14:16,517 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:14:16,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2022-11-20 18:14:19,623 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:14:19,833 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:14:19,834 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2022-11-20 18:14:19,842 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/data/bc232aabf/3bd7e63a2f564f38955af2f778eca60d/FLAGd4a730f11 [2022-11-20 18:14:19,860 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/data/bc232aabf/3bd7e63a2f564f38955af2f778eca60d [2022-11-20 18:14:19,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:14:19,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:14:19,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:14:19,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:14:19,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:14:19,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:14:19" (1/1) ... [2022-11-20 18:14:19,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f1f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:19, skipping insertion in model container [2022-11-20 18:14:19,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:14:19" (1/1) ... [2022-11-20 18:14:19,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:14:19,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:14:20,096 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_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c[2212,2225] [2022-11-20 18:14:20,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:14:20,117 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:14:20,153 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_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c[2212,2225] [2022-11-20 18:14:20,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:14:20,177 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:14:20,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:20 WrapperNode [2022-11-20 18:14:20,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:14:20,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:14:20,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:14:20,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:14:20,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:20" (1/1) ... [2022-11-20 18:14:20,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:20" (1/1) ... [2022-11-20 18:14:20,230 INFO L138 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2022-11-20 18:14:20,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:14:20,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:14:20,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:14:20,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:14:20,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:20" (1/1) ... [2022-11-20 18:14:20,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:20" (1/1) ... [2022-11-20 18:14:20,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:20" (1/1) ... [2022-11-20 18:14:20,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:20" (1/1) ... [2022-11-20 18:14:20,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:20" (1/1) ... [2022-11-20 18:14:20,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:20" (1/1) ... [2022-11-20 18:14:20,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:20" (1/1) ... [2022-11-20 18:14:20,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:20" (1/1) ... [2022-11-20 18:14:20,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:14:20,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:14:20,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:14:20,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:14:20,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:20" (1/1) ... [2022-11-20 18:14:20,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:14:20,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:14:20,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:14:20,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:14:20,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:14:20,373 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 18:14:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 18:14:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 18:14:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 18:14:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 18:14:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 18:14:20,375 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 18:14:20,375 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 18:14:20,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:14:20,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:14:20,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:14:20,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 18:14:20,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 18:14:20,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:14:20,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:14:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:14:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:14:20,379 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 18:14:20,499 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:14:20,501 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:14:20,665 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:14:20,751 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:14:20,770 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:14:20,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:14:20 BoogieIcfgContainer [2022-11-20 18:14:20,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:14:20,773 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:14:20,773 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:14:20,802 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:14:20,802 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:14:20" (1/1) ... [2022-11-20 18:14:20,803 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) [2022-11-20 18:14:20,809 INFO L158 Benchmark]: Toolchain (without parser) took 941.80ms. Allocated memory was 134.2MB in the beginning and 203.4MB in the end (delta: 69.2MB). Free memory was 70.0MB in the beginning and 171.0MB in the end (delta: -101.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:14:20,810 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 134.2MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:14:20,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.69ms. Allocated memory was 134.2MB in the beginning and 203.4MB in the end (delta: 69.2MB). Free memory was 69.7MB in the beginning and 170.5MB in the end (delta: -100.8MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2022-11-20 18:14:20,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.54ms. Allocated memory is still 203.4MB. Free memory was 170.5MB in the beginning and 168.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:14:20,812 INFO L158 Benchmark]: Boogie Preprocessor took 40.00ms. Allocated memory is still 203.4MB. Free memory was 168.7MB in the beginning and 167.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:14:20,813 INFO L158 Benchmark]: RCFGBuilder took 500.10ms. Allocated memory is still 203.4MB. Free memory was 167.4MB in the beginning and 172.2MB in the end (delta: -4.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 18:14:20,814 INFO L158 Benchmark]: CodeCheck took 34.53ms. Allocated memory is still 203.4MB. Free memory was 172.2MB in the beginning and 171.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:14:20,817 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 0.25ms. Allocated memory is still 134.2MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.69ms. Allocated memory was 134.2MB in the beginning and 203.4MB in the end (delta: 69.2MB). Free memory was 69.7MB in the beginning and 170.5MB in the end (delta: -100.8MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.54ms. Allocated memory is still 203.4MB. Free memory was 170.5MB in the beginning and 168.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.00ms. Allocated memory is still 203.4MB. Free memory was 168.7MB in the beginning and 167.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 500.10ms. Allocated memory is still 203.4MB. Free memory was 167.4MB in the beginning and 172.2MB in the end (delta: -4.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 34.53ms. Allocated memory is still 203.4MB. Free memory was 172.2MB in the beginning and 171.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 18:14:20,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/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_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ --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 6e064514c886eab27bff1253cfa87b1ac324d3dc8890599c3d4384e987c0d244 --- 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-6b4ec56 [2022-11-20 18:14:23,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:14:23,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:14:23,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:14:23,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:14:23,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:14:23,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:14:23,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:14:23,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:14:23,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:14:23,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:14:23,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:14:23,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:14:23,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:14:23,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:14:23,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:14:23,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:14:23,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:14:23,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:14:23,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:14:23,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:14:23,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:14:23,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:14:23,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:14:23,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:14:23,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:14:23,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:14:23,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:14:23,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:14:23,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:14:23,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:14:23,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:14:23,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:14:23,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:14:23,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:14:23,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:14:23,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:14:23,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:14:23,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:14:23,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:14:23,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:14:23,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-11-20 18:14:23,400 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:14:23,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:14:23,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:14:23,402 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:14:23,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:14:23,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:14:23,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:14:23,404 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:14:23,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:14:23,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:14:23,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:14:23,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:14:23,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:14:23,406 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:14:23,406 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:14:23,406 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:14:23,406 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:14:23,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:14:23,407 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:14:23,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:14:23,407 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:14:23,407 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:14:23,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:14:23,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:14:23,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:14:23,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:14:23,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:14:23,409 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:14:23,409 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:14:23,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:14:23,409 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 18:14:23,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:14:23,410 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_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e064514c886eab27bff1253cfa87b1ac324d3dc8890599c3d4384e987c0d244 [2022-11-20 18:14:23,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:14:23,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:14:23,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:14:23,804 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:14:23,804 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:14:23,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2022-11-20 18:14:26,889 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:14:27,171 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:14:27,172 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2022-11-20 18:14:27,180 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/data/0630db175/6a64a706685a43359b0e4feded5a6efb/FLAG8884be2a7 [2022-11-20 18:14:27,203 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/data/0630db175/6a64a706685a43359b0e4feded5a6efb [2022-11-20 18:14:27,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:14:27,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:14:27,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:14:27,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:14:27,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:14:27,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:14:27" (1/1) ... [2022-11-20 18:14:27,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33eb0cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:27, skipping insertion in model container [2022-11-20 18:14:27,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:14:27" (1/1) ... [2022-11-20 18:14:27,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:14:27,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:14:27,456 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_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c[2212,2225] [2022-11-20 18:14:27,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:14:27,480 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:14:27,514 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_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c[2212,2225] [2022-11-20 18:14:27,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:14:27,542 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:14:27,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:27 WrapperNode [2022-11-20 18:14:27,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:14:27,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:14:27,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:14:27,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:14:27,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:27" (1/1) ... [2022-11-20 18:14:27,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:27" (1/1) ... [2022-11-20 18:14:27,589 INFO L138 Inliner]: procedures = 24, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2022-11-20 18:14:27,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:14:27,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:14:27,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:14:27,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:14:27,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:27" (1/1) ... [2022-11-20 18:14:27,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:27" (1/1) ... [2022-11-20 18:14:27,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:27" (1/1) ... [2022-11-20 18:14:27,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:27" (1/1) ... [2022-11-20 18:14:27,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:27" (1/1) ... [2022-11-20 18:14:27,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:27" (1/1) ... [2022-11-20 18:14:27,632 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:27" (1/1) ... [2022-11-20 18:14:27,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:27" (1/1) ... [2022-11-20 18:14:27,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:14:27,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:14:27,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:14:27,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:14:27,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:27" (1/1) ... [2022-11-20 18:14:27,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:14:27,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:14:27,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:14:27,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:14:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:14:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 18:14:27,766 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 18:14:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 18:14:27,767 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 18:14:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 18:14:27,767 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 18:14:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 18:14:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 18:14:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 18:14:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:14:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 18:14:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 18:14:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 18:14:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:14:27,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:14:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:14:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 18:14:27,771 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 18:14:27,929 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:14:27,931 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:14:28,166 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:14:28,222 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:14:28,223 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:14:28,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:14:28 BoogieIcfgContainer [2022-11-20 18:14:28,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:14:28,226 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:14:28,226 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:14:28,236 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:14:28,240 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:14:28" (1/1) ... [2022-11-20 18:14:28,241 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) [2022-11-20 18:14:28,248 INFO L158 Benchmark]: Toolchain (without parser) took 1036.47ms. Allocated memory is still 81.8MB. Free memory was 59.0MB in the beginning and 48.1MB in the end (delta: 10.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-11-20 18:14:28,249 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 60.8MB. Free memory is still 38.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:14:28,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.60ms. Allocated memory is still 81.8MB. Free memory was 58.8MB in the beginning and 47.8MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:14:28,251 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.22ms. Allocated memory is still 81.8MB. Free memory was 47.6MB in the beginning and 46.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:14:28,251 INFO L158 Benchmark]: Boogie Preprocessor took 51.00ms. Allocated memory is still 81.8MB. Free memory was 46.2MB in the beginning and 44.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:14:28,252 INFO L158 Benchmark]: RCFGBuilder took 582.26ms. Allocated memory is still 81.8MB. Free memory was 44.7MB in the beginning and 49.1MB in the end (delta: -4.3MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-11-20 18:14:28,253 INFO L158 Benchmark]: CodeCheck took 17.80ms. Allocated memory is still 81.8MB. Free memory was 49.1MB in the beginning and 48.1MB in the end (delta: 959.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:14:28,263 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 0.25ms. Allocated memory is still 60.8MB. Free memory is still 38.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.60ms. Allocated memory is still 81.8MB. Free memory was 58.8MB in the beginning and 47.8MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.22ms. Allocated memory is still 81.8MB. Free memory was 47.6MB in the beginning and 46.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.00ms. Allocated memory is still 81.8MB. Free memory was 46.2MB in the beginning and 44.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 582.26ms. Allocated memory is still 81.8MB. Free memory was 44.7MB in the beginning and 49.1MB in the end (delta: -4.3MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * CodeCheck took 17.80ms. Allocated memory is still 81.8MB. Free memory was 49.1MB in the beginning and 48.1MB in the end (delta: 959.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 18:14:28,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9fc01a1-66dd-4561-ab7b-c5ac226e4748/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported