./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/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_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB --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-dbf71c6-m [2022-10-17 16:38:39,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:38:39,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:38:39,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:38:39,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:38:39,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:38:39,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:38:39,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:38:39,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:38:39,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:38:39,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:38:39,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:38:39,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:38:39,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:38:39,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:38:39,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:38:39,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:38:39,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:38:39,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:38:39,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:38:39,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:38:39,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:38:39,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:38:39,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:38:39,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:38:39,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:38:39,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:38:39,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:38:39,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:38:39,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:38:39,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:38:39,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:38:39,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:38:39,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:38:39,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:38:39,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:38:39,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:38:39,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:38:39,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:38:39,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:38:39,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:38:39,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:38:39,274 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:38:39,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:38:39,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:38:39,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:38:39,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:38:39,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:38:39,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:38:39,283 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:38:39,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:38:39,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:38:39,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:38:39,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:38:39,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:38:39,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:38:39,286 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:38:39,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:38:39,287 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:38:39,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:38:39,287 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:38:39,287 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:38:39,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:38:39,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:39,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:38:39,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:38:39,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:38:39,289 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:38:39,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:38:39,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:38:39,291 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_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfa53b3a6eade068c4346d28766037c8d26fae61c62dd4c8f6fc2f9d68567d2c [2022-10-17 16:38:39,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:38:39,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:38:39,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:38:39,629 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:38:39,631 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:38:39,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2022-10-17 16:38:39,701 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/data/9594f4655/f7f9c79df1b34575a1fd246b8ed85569/FLAG32244d1ac [2022-10-17 16:38:40,287 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:38:40,287 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2022-10-17 16:38:40,295 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/data/9594f4655/f7f9c79df1b34575a1fd246b8ed85569/FLAG32244d1ac [2022-10-17 16:38:40,629 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/data/9594f4655/f7f9c79df1b34575a1fd246b8ed85569 [2022-10-17 16:38:40,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:38:40,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:38:40,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:40,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:38:40,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:38:40,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:40" (1/1) ... [2022-10-17 16:38:40,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69189eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:40, skipping insertion in model container [2022-10-17 16:38:40,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:40" (1/1) ... [2022-10-17 16:38:40,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:38:40,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:38:40,933 WARN L230 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_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c[2303,2316] [2022-10-17 16:38:40,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:40,959 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:38:41,011 WARN L230 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_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c[2303,2316] [2022-10-17 16:38:41,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:41,036 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:38:41,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:41 WrapperNode [2022-10-17 16:38:41,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:41,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:41,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:38:41,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:38:41,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:41" (1/1) ... [2022-10-17 16:38:41,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:41" (1/1) ... [2022-10-17 16:38:41,107 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-10-17 16:38:41,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:41,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:38:41,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:38:41,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:38:41,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:41" (1/1) ... [2022-10-17 16:38:41,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:41" (1/1) ... [2022-10-17 16:38:41,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:41" (1/1) ... [2022-10-17 16:38:41,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:41" (1/1) ... [2022-10-17 16:38:41,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:41" (1/1) ... [2022-10-17 16:38:41,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:41" (1/1) ... [2022-10-17 16:38:41,142 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:41" (1/1) ... [2022-10-17 16:38:41,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:41" (1/1) ... [2022-10-17 16:38:41,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:38:41,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:38:41,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:38:41,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:38:41,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:41" (1/1) ... [2022-10-17 16:38:41,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:41,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:38:41,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:38:41,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:38:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2022-10-17 16:38:41,249 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2022-10-17 16:38:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:38:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:38:41,249 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:38:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:38:41,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:38:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:38:41,250 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:38:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:38:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:38:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:38:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:38:41,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:38:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:38:41,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:38:41,266 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:38:41,377 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:38:41,380 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:38:41,704 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:38:41,715 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:38:41,715 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:38:41,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:41 BoogieIcfgContainer [2022-10-17 16:38:41,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:38:41,719 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:38:41,719 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:38:41,730 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:38:41,730 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:41" (1/1) ... [2022-10-17 16:38:41,731 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) [2022-10-17 16:38:41,736 INFO L158 Benchmark]: Toolchain (without parser) took 1101.83ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 52.2MB in the end (delta: 4.5MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2022-10-17 16:38:41,737 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 64.2MB in the beginning and 64.2MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:38:41,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.44ms. Allocated memory is still 83.9MB. Free memory was 56.5MB in the beginning and 45.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:38:41,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.81ms. Allocated memory is still 83.9MB. Free memory was 45.7MB in the beginning and 44.2MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:38:41,740 INFO L158 Benchmark]: Boogie Preprocessor took 37.35ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 42.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:38:41,741 INFO L158 Benchmark]: RCFGBuilder took 570.52ms. Allocated memory is still 83.9MB. Free memory was 42.8MB in the beginning and 53.4MB in the end (delta: -10.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2022-10-17 16:38:41,742 INFO L158 Benchmark]: CodeCheck took 15.25ms. Allocated memory is still 83.9MB. Free memory was 53.4MB in the beginning and 52.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:38:41,746 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 0.24ms. Allocated memory is still 83.9MB. Free memory was 64.2MB in the beginning and 64.2MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.44ms. Allocated memory is still 83.9MB. Free memory was 56.5MB in the beginning and 45.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.81ms. Allocated memory is still 83.9MB. Free memory was 45.7MB in the beginning and 44.2MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.35ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 42.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 570.52ms. Allocated memory is still 83.9MB. Free memory was 42.8MB in the beginning and 53.4MB in the end (delta: -10.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * CodeCheck took 15.25ms. Allocated memory is still 83.9MB. Free memory was 53.4MB in the beginning and 52.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:38:41,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/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_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB --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-dbf71c6-m [2022-10-17 16:38:44,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:38:44,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:38:44,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:38:44,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:38:44,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:38:44,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:38:44,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:38:44,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:38:44,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:38:44,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:38:44,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:38:44,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:38:44,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:38:44,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:38:44,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:38:44,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:38:44,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:38:44,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:38:44,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:38:44,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:38:44,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:38:44,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:38:44,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:38:44,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:38:44,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:38:44,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:38:44,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:38:44,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:38:44,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:38:44,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:38:44,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:38:44,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:38:44,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:38:44,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:38:44,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:38:44,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:38:44,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:38:44,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:38:44,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:38:44,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:38:44,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:38:44,680 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:38:44,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:38:44,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:38:44,686 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:38:44,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:38:44,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:38:44,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:38:44,690 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:38:44,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:38:44,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:38:44,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:38:44,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:38:44,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:38:44,693 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:38:44,693 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:38:44,693 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:38:44,693 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:38:44,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:38:44,694 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:38:44,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:38:44,694 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:38:44,695 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:38:44,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:38:44,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:44,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:38:44,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:38:44,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:38:44,696 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:38:44,697 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:38:44,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:38:44,697 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:38:44,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:38:44,698 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_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfa53b3a6eade068c4346d28766037c8d26fae61c62dd4c8f6fc2f9d68567d2c [2022-10-17 16:38:45,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:38:45,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:38:45,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:38:45,131 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:38:45,132 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:38:45,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2022-10-17 16:38:45,217 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/data/970e72b64/23b19fffc005425bbd837d82ce00e57b/FLAG1ede8b09e [2022-10-17 16:38:45,862 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:38:45,868 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2022-10-17 16:38:45,877 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/data/970e72b64/23b19fffc005425bbd837d82ce00e57b/FLAG1ede8b09e [2022-10-17 16:38:46,214 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/data/970e72b64/23b19fffc005425bbd837d82ce00e57b [2022-10-17 16:38:46,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:38:46,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:38:46,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:46,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:38:46,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:38:46,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3abbb1fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46, skipping insertion in model container [2022-10-17 16:38:46,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:38:46,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:38:46,480 WARN L230 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_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c[2303,2316] [2022-10-17 16:38:46,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:46,523 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:38:46,573 WARN L230 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_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c[2303,2316] [2022-10-17 16:38:46,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:46,604 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:38:46,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46 WrapperNode [2022-10-17 16:38:46,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:46,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:46,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:38:46,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:38:46,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,673 INFO L138 Inliner]: procedures = 24, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2022-10-17 16:38:46,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:46,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:38:46,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:38:46,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:38:46,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,733 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:38:46,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:38:46,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:38:46,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:38:46,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:46" (1/1) ... [2022-10-17 16:38:46,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:46,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:38:46,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:38:46,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:38:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2022-10-17 16:38:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2022-10-17 16:38:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:38:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:38:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:38:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:38:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:38:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:38:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:38:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:38:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:38:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:38:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:38:46,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:38:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:38:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:38:46,868 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:38:47,025 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:38:47,028 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:38:47,482 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:38:47,491 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:38:47,492 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:38:47,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:47 BoogieIcfgContainer [2022-10-17 16:38:47,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:38:47,496 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:38:47,496 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:38:47,507 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:38:47,507 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:47" (1/1) ... [2022-10-17 16:38:47,508 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) [2022-10-17 16:38:47,514 INFO L158 Benchmark]: Toolchain (without parser) took 1289.55ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.3MB in the beginning and 47.2MB in the end (delta: -15.9MB). Peak memory consumption was 562.9kB. Max. memory is 16.1GB. [2022-10-17 16:38:47,514 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 54.5MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:38:47,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.34ms. Allocated memory is still 54.5MB. Free memory was 31.1MB in the beginning and 36.0MB in the end (delta: -4.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:38:47,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.57ms. Allocated memory is still 54.5MB. Free memory was 36.0MB in the beginning and 34.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:38:47,517 INFO L158 Benchmark]: Boogie Preprocessor took 70.83ms. Allocated memory is still 54.5MB. Free memory was 34.5MB in the beginning and 33.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:38:47,518 INFO L158 Benchmark]: RCFGBuilder took 747.96ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 33.0MB in the beginning and 48.4MB in the end (delta: -15.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-10-17 16:38:47,519 INFO L158 Benchmark]: CodeCheck took 15.58ms. Allocated memory is still 71.3MB. Free memory was 48.1MB in the beginning and 47.2MB in the end (delta: 901.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:38:47,523 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 0.32ms. Allocated memory is still 54.5MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.34ms. Allocated memory is still 54.5MB. Free memory was 31.1MB in the beginning and 36.0MB in the end (delta: -4.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.57ms. Allocated memory is still 54.5MB. Free memory was 36.0MB in the beginning and 34.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.83ms. Allocated memory is still 54.5MB. Free memory was 34.5MB in the beginning and 33.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 747.96ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 33.0MB in the beginning and 48.4MB in the end (delta: -15.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * CodeCheck took 15.58ms. Allocated memory is still 71.3MB. Free memory was 48.1MB in the beginning and 47.2MB in the end (delta: 901.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:38:47,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aeeba7e-d2ff-4606-baf3-d1921ce082ca/bin/ukojak-92XMlrwhuB/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