./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-exp-term-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_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/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_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/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_3ac18c0c-0cbb-4d33-b623-15ed59248e10/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 79419a4ba87d66b20bd1eac3a57771b6df78d8c052d6832c2c2f61b321d58321 --- 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 16:29:40,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:29:40,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:29:40,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:29:40,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:29:40,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:29:40,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:29:40,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:29:40,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:29:40,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:29:40,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:29:40,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:29:40,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:29:40,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:29:40,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:29:40,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:29:40,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:29:40,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:29:40,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:29:40,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:29:40,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:29:40,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:29:40,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:29:40,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:29:40,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:29:40,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:29:40,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:29:40,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:29:40,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:29:40,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:29:40,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:29:40,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:29:40,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:29:40,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:29:40,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:29:40,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:29:40,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:29:40,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:29:40,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:29:40,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:29:40,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:29:40,666 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:29:40,691 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:29:40,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:29:40,692 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:29:40,693 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:29:40,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:29:40,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:29:40,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:29:40,694 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:29:40,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:29:40,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:29:40,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:29:40,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:29:40,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:29:40,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:29:40,695 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:29:40,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:29:40,696 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:29:40,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:29:40,696 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:29:40,697 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:29:40,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:29:40,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:40,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:29:40,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:29:40,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:29:40,698 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:29:40,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:29:40,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:29:40,699 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_3ac18c0c-0cbb-4d33-b623-15ed59248e10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79419a4ba87d66b20bd1eac3a57771b6df78d8c052d6832c2c2f61b321d58321 [2022-10-17 16:29:40,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:29:40,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:29:40,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:29:41,001 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:29:41,003 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:29:41,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2022-10-17 16:29:41,069 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/data/d07fd2d85/694200e2624541f0988b0fc788ef696c/FLAG394f32f2e [2022-10-17 16:29:41,570 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:29:41,571 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2022-10-17 16:29:41,580 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/data/d07fd2d85/694200e2624541f0988b0fc788ef696c/FLAG394f32f2e [2022-10-17 16:29:41,917 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/data/d07fd2d85/694200e2624541f0988b0fc788ef696c [2022-10-17 16:29:41,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:29:41,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:29:41,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:41,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:29:41,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:29:41,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:41" (1/1) ... [2022-10-17 16:29:41,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7245c966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:41, skipping insertion in model container [2022-10-17 16:29:41,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:41" (1/1) ... [2022-10-17 16:29:41,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:29:41,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:29:42,163 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_3ac18c0c-0cbb-4d33-b623-15ed59248e10/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c[2628,2641] [2022-10-17 16:29:42,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:42,182 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:29:42,218 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_3ac18c0c-0cbb-4d33-b623-15ed59248e10/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c[2628,2641] [2022-10-17 16:29:42,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:42,235 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:29:42,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:42 WrapperNode [2022-10-17 16:29:42,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:42,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:42,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:29:42,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:29:42,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:42" (1/1) ... [2022-10-17 16:29:42,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:42" (1/1) ... [2022-10-17 16:29:42,287 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2022-10-17 16:29:42,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:42,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:29:42,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:29:42,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:29:42,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:42" (1/1) ... [2022-10-17 16:29:42,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:42" (1/1) ... [2022-10-17 16:29:42,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:42" (1/1) ... [2022-10-17 16:29:42,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:42" (1/1) ... [2022-10-17 16:29:42,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:42" (1/1) ... [2022-10-17 16:29:42,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:42" (1/1) ... [2022-10-17 16:29:42,328 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:42" (1/1) ... [2022-10-17 16:29:42,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:42" (1/1) ... [2022-10-17 16:29:42,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:29:42,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:29:42,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:29:42,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:29:42,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:42" (1/1) ... [2022-10-17 16:29:42,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:42,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:29:42,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:29:42,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:29:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2022-10-17 16:29:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2022-10-17 16:29:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:29:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:29:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:29:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:29:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:29:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:29:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:29:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:29:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:29:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:29:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:29:42,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:29:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:29:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:29:42,436 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 16:29:42,584 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:29:42,586 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:29:42,870 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:29:42,880 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:29:42,880 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:29:42,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:42 BoogieIcfgContainer [2022-10-17 16:29:42,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:29:42,884 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:29:42,884 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:29:42,895 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:29:42,895 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:42" (1/1) ... [2022-10-17 16:29:42,896 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 16:29:42,900 INFO L158 Benchmark]: Toolchain (without parser) took 977.61ms. Allocated memory is still 100.7MB. Free memory was 63.4MB in the beginning and 55.1MB in the end (delta: 8.2MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2022-10-17 16:29:42,901 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 100.7MB. Free memory was 80.5MB in the beginning and 80.3MB in the end (delta: 138.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:42,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.66ms. Allocated memory is still 100.7MB. Free memory was 63.2MB in the beginning and 73.3MB in the end (delta: -10.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:29:42,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.50ms. Allocated memory is still 100.7MB. Free memory was 73.3MB in the beginning and 71.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:42,903 INFO L158 Benchmark]: Boogie Preprocessor took 43.69ms. Allocated memory is still 100.7MB. Free memory was 71.8MB in the beginning and 70.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:42,904 INFO L158 Benchmark]: RCFGBuilder took 549.79ms. Allocated memory is still 100.7MB. Free memory was 70.4MB in the beginning and 56.0MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:29:42,904 INFO L158 Benchmark]: CodeCheck took 14.46ms. Allocated memory is still 100.7MB. Free memory was 56.0MB in the beginning and 55.1MB in the end (delta: 922.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:42,908 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 0.38ms. Allocated memory is still 100.7MB. Free memory was 80.5MB in the beginning and 80.3MB in the end (delta: 138.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.66ms. Allocated memory is still 100.7MB. Free memory was 63.2MB in the beginning and 73.3MB in the end (delta: -10.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.50ms. Allocated memory is still 100.7MB. Free memory was 73.3MB in the beginning and 71.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.69ms. Allocated memory is still 100.7MB. Free memory was 71.8MB in the beginning and 70.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 549.79ms. Allocated memory is still 100.7MB. Free memory was 70.4MB in the beginning and 56.0MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 14.46ms. Allocated memory is still 100.7MB. Free memory was 56.0MB in the beginning and 55.1MB in the end (delta: 922.9kB). 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 16:29:42,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/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_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/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_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/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_3ac18c0c-0cbb-4d33-b623-15ed59248e10/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 79419a4ba87d66b20bd1eac3a57771b6df78d8c052d6832c2c2f61b321d58321 --- 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 16:29:45,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:29:45,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:29:45,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:29:45,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:29:45,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:29:45,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:29:45,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:29:45,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:29:45,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:29:45,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:29:45,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:29:45,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:29:45,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:29:45,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:29:45,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:29:45,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:29:45,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:29:45,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:29:45,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:29:45,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:29:45,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:29:45,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:29:45,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:29:45,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:29:45,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:29:45,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:29:45,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:29:45,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:29:45,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:29:45,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:29:45,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:29:45,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:29:45,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:29:45,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:29:45,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:29:45,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:29:45,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:29:45,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:29:45,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:29:45,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:29:45,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:29:45,648 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:29:45,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:29:45,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:29:45,651 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:29:45,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:29:45,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:29:45,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:29:45,653 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:29:45,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:29:45,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:29:45,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:29:45,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:29:45,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:29:45,654 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:29:45,654 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:29:45,654 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:29:45,654 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:29:45,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:29:45,654 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:29:45,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:29:45,655 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:29:45,655 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:29:45,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:29:45,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:45,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:29:45,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:29:45,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:29:45,656 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:29:45,656 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:29:45,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:29:45,656 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:29:45,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:29:45,657 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_3ac18c0c-0cbb-4d33-b623-15ed59248e10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79419a4ba87d66b20bd1eac3a57771b6df78d8c052d6832c2c2f61b321d58321 [2022-10-17 16:29:46,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:29:46,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:29:46,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:29:46,210 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:29:46,210 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:29:46,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2022-10-17 16:29:46,281 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/data/0c20c67dc/4aa87a238d1440febb97045717473351/FLAG37ffe088b [2022-10-17 16:29:46,816 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:29:46,817 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2022-10-17 16:29:46,826 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/data/0c20c67dc/4aa87a238d1440febb97045717473351/FLAG37ffe088b [2022-10-17 16:29:47,169 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/data/0c20c67dc/4aa87a238d1440febb97045717473351 [2022-10-17 16:29:47,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:29:47,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:29:47,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:47,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:29:47,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:29:47,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:47" (1/1) ... [2022-10-17 16:29:47,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c03b6dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:47, skipping insertion in model container [2022-10-17 16:29:47,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:47" (1/1) ... [2022-10-17 16:29:47,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:29:47,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:29:47,369 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_3ac18c0c-0cbb-4d33-b623-15ed59248e10/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c[2628,2641] [2022-10-17 16:29:47,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:47,386 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:29:47,464 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_3ac18c0c-0cbb-4d33-b623-15ed59248e10/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c[2628,2641] [2022-10-17 16:29:47,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:47,482 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:29:47,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:47 WrapperNode [2022-10-17 16:29:47,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:47,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:47,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:29:47,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:29:47,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:47" (1/1) ... [2022-10-17 16:29:47,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:47" (1/1) ... [2022-10-17 16:29:47,519 INFO L138 Inliner]: procedures = 24, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2022-10-17 16:29:47,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:47,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:29:47,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:29:47,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:29:47,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:47" (1/1) ... [2022-10-17 16:29:47,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:47" (1/1) ... [2022-10-17 16:29:47,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:47" (1/1) ... [2022-10-17 16:29:47,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:47" (1/1) ... [2022-10-17 16:29:47,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:47" (1/1) ... [2022-10-17 16:29:47,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:47" (1/1) ... [2022-10-17 16:29:47,545 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:47" (1/1) ... [2022-10-17 16:29:47,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:47" (1/1) ... [2022-10-17 16:29:47,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:29:47,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:29:47,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:29:47,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:29:47,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:47" (1/1) ... [2022-10-17 16:29:47,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:47,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:29:47,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:29:47,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:29:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2022-10-17 16:29:47,649 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2022-10-17 16:29:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:29:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:29:47,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:29:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:29:47,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:29:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:29:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:29:47,653 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:29:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:29:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:29:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:29:47,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:29:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:29:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:29:47,657 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 16:29:47,765 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:29:47,767 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:29:48,207 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:29:48,224 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:29:48,226 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:29:48,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:48 BoogieIcfgContainer [2022-10-17 16:29:48,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:29:48,231 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:29:48,231 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:29:48,242 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:29:48,243 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:48" (1/1) ... [2022-10-17 16:29:48,244 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 16:29:48,251 INFO L158 Benchmark]: Toolchain (without parser) took 1075.94ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 42.7MB in the beginning and 68.6MB in the end (delta: -25.8MB). Peak memory consumption was 616.1kB. Max. memory is 16.1GB. [2022-10-17 16:29:48,253 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 62.9MB. Free memory was 44.4MB in the beginning and 44.3MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:48,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.73ms. Allocated memory is still 62.9MB. Free memory was 42.6MB in the beginning and 45.9MB in the end (delta: -3.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:29:48,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.58ms. Allocated memory is still 62.9MB. Free memory was 45.8MB in the beginning and 44.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:48,256 INFO L158 Benchmark]: Boogie Preprocessor took 30.79ms. Allocated memory is still 62.9MB. Free memory was 44.1MB in the beginning and 42.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:48,258 INFO L158 Benchmark]: RCFGBuilder took 677.61ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 42.7MB in the beginning and 69.8MB in the end (delta: -27.1MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2022-10-17 16:29:48,259 INFO L158 Benchmark]: CodeCheck took 17.62ms. Allocated memory is still 88.1MB. Free memory was 69.5MB in the beginning and 68.6MB in the end (delta: 930.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:48,268 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 0.27ms. Allocated memory is still 62.9MB. Free memory was 44.4MB in the beginning and 44.3MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.73ms. Allocated memory is still 62.9MB. Free memory was 42.6MB in the beginning and 45.9MB in the end (delta: -3.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.58ms. Allocated memory is still 62.9MB. Free memory was 45.8MB in the beginning and 44.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.79ms. Allocated memory is still 62.9MB. Free memory was 44.1MB in the beginning and 42.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 677.61ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 42.7MB in the beginning and 69.8MB in the end (delta: -27.1MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * CodeCheck took 17.62ms. Allocated memory is still 88.1MB. Free memory was 69.5MB in the beginning and 68.6MB in the end (delta: 930.4kB). 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 16:29:48,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac18c0c-0cbb-4d33-b623-15ed59248e10/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