./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/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_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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-b5237d8 [2022-11-21 23:02:01,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:02:01,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:02:01,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:02:01,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:02:01,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:02:01,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:02:01,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:02:01,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:02:01,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:02:01,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:02:01,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:02:01,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:02:01,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:02:01,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:02:01,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:02:01,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:02:01,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:02:01,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:02:01,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:02:01,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:02:01,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:02:01,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:02:01,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:02:01,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:02:01,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:02:01,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:02:01,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:02:01,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:02:01,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:02:01,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:02:01,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:02:01,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:02:01,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:02:01,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:02:01,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:02:01,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:02:01,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:02:01,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:02:01,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:02:01,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:02:01,669 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:02:01,712 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:02:01,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:02:01,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:02:01,715 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:02:01,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:02:01,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:02:01,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:02:01,716 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:02:01,716 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:02:01,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:02:01,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:02:01,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:02:01,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:02:01,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:02:01,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:02:01,719 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:02:01,719 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:02:01,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:02:01,720 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:02:01,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:02:01,720 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:02:01,721 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:02:01,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:02:01,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:02:01,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:02:01,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:02:01,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:02:01,722 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:02:01,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:02:01,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:02:01,723 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_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfa53b3a6eade068c4346d28766037c8d26fae61c62dd4c8f6fc2f9d68567d2c [2022-11-21 23:02:02,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:02:02,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:02:02,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:02:02,089 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:02:02,089 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:02:02,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2022-11-21 23:02:05,261 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:02:05,577 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:02:05,577 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2022-11-21 23:02:05,586 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/data/57e96acae/1f2a609dafbb4ea6adf60d4e2b11fd80/FLAG70af03e43 [2022-11-21 23:02:05,605 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/data/57e96acae/1f2a609dafbb4ea6adf60d4e2b11fd80 [2022-11-21 23:02:05,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:02:05,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:02:05,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:02:05,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:02:05,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:02:05,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:02:05" (1/1) ... [2022-11-21 23:02:05,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@653ef9e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:05, skipping insertion in model container [2022-11-21 23:02:05,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:02:05" (1/1) ... [2022-11-21 23:02:05,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:02:05,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:02:05,877 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c[2303,2316] [2022-11-21 23:02:05,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:02:05,894 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:02:05,921 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c[2303,2316] [2022-11-21 23:02:05,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:02:05,942 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:02:05,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:05 WrapperNode [2022-11-21 23:02:05,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:02:05,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:02:05,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:02:05,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:02:05,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:05" (1/1) ... [2022-11-21 23:02:05,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:05" (1/1) ... [2022-11-21 23:02:05,993 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-11-21 23:02:05,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:02:05,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:02:05,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:02:05,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:02:06,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:05" (1/1) ... [2022-11-21 23:02:06,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:05" (1/1) ... [2022-11-21 23:02:06,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:05" (1/1) ... [2022-11-21 23:02:06,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:05" (1/1) ... [2022-11-21 23:02:06,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:05" (1/1) ... [2022-11-21 23:02:06,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:05" (1/1) ... [2022-11-21 23:02:06,026 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:05" (1/1) ... [2022-11-21 23:02:06,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:05" (1/1) ... [2022-11-21 23:02:06,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:02:06,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:02:06,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:02:06,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:02:06,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:05" (1/1) ... [2022-11-21 23:02:06,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:02:06,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:02:06,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:02:06,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:02:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2022-11-21 23:02:06,128 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2022-11-21 23:02:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:02:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 23:02:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 23:02:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 23:02:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 23:02:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:02:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:02:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:02:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:02:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:02:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:02:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:02:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:02:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:02:06,133 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:02:06,266 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:02:06,269 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:02:06,743 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:02:06,753 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:02:06,762 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:02:06,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:02:06 BoogieIcfgContainer [2022-11-21 23:02:06,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:02:06,777 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:02:06,777 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:02:06,794 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:02:06,794 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:02:06" (1/1) ... [2022-11-21 23:02:06,795 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 23:02:06,806 INFO L158 Benchmark]: Toolchain (without parser) took 1194.49ms. Allocated memory is still 197.1MB. Free memory was 163.6MB in the beginning and 132.6MB in the end (delta: 31.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-21 23:02:06,808 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory was 85.0MB in the beginning and 85.0MB in the end (delta: 24.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:02:06,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.44ms. Allocated memory is still 197.1MB. Free memory was 162.7MB in the beginning and 152.4MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:02:06,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.69ms. Allocated memory is still 197.1MB. Free memory was 152.4MB in the beginning and 150.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:02:06,811 INFO L158 Benchmark]: Boogie Preprocessor took 35.72ms. Allocated memory is still 197.1MB. Free memory was 150.3MB in the beginning and 149.4MB in the end (delta: 897.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:02:06,812 INFO L158 Benchmark]: RCFGBuilder took 733.45ms. Allocated memory is still 197.1MB. Free memory was 149.4MB in the beginning and 133.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:02:06,813 INFO L158 Benchmark]: CodeCheck took 26.51ms. Allocated memory is still 197.1MB. Free memory was 133.5MB in the beginning and 132.6MB in the end (delta: 916.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:02:06,824 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 119.5MB. Free memory was 85.0MB in the beginning and 85.0MB in the end (delta: 24.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.44ms. Allocated memory is still 197.1MB. Free memory was 162.7MB in the beginning and 152.4MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.69ms. Allocated memory is still 197.1MB. Free memory was 152.4MB in the beginning and 150.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.72ms. Allocated memory is still 197.1MB. Free memory was 150.3MB in the beginning and 149.4MB in the end (delta: 897.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 733.45ms. Allocated memory is still 197.1MB. Free memory was 149.4MB in the beginning and 133.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 26.51ms. Allocated memory is still 197.1MB. Free memory was 133.5MB in the beginning and 132.6MB in the end (delta: 916.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:02:06,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/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_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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-b5237d8 [2022-11-21 23:02:09,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:02:09,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:02:09,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:02:09,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:02:09,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:02:09,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:02:09,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:02:09,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:02:09,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:02:09,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:02:09,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:02:09,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:02:09,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:02:09,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:02:09,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:02:09,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:02:09,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:02:09,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:02:09,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:02:09,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:02:09,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:02:09,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:02:09,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:02:09,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:02:09,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:02:09,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:02:09,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:02:09,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:02:09,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:02:09,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:02:09,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:02:09,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:02:09,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:02:09,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:02:09,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:02:09,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:02:09,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:02:09,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:02:09,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:02:09,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:02:09,879 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 23:02:09,914 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:02:09,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:02:09,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:02:09,916 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:02:09,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:02:09,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:02:09,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:02:09,917 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:02:09,918 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:02:09,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:02:09,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:02:09,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:02:09,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:02:09,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:02:09,920 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:02:09,920 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:02:09,920 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:02:09,920 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:02:09,921 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:02:09,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:02:09,921 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:02:09,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:02:09,922 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:02:09,922 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:02:09,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:02:09,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:02:09,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:02:09,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:02:09,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:02:09,924 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:02:09,924 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:02:09,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:02:09,925 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:02:09,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:02:09,925 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_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfa53b3a6eade068c4346d28766037c8d26fae61c62dd4c8f6fc2f9d68567d2c [2022-11-21 23:02:10,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:02:10,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:02:10,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:02:10,402 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:02:10,402 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:02:10,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2022-11-21 23:02:13,804 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:02:14,078 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:02:14,079 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2022-11-21 23:02:14,087 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/data/bb03ea4ac/6b4433c6af5544c68f8bccaaf236d888/FLAG13c2317d0 [2022-11-21 23:02:14,105 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/data/bb03ea4ac/6b4433c6af5544c68f8bccaaf236d888 [2022-11-21 23:02:14,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:02:14,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:02:14,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:02:14,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:02:14,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:02:14,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:02:14" (1/1) ... [2022-11-21 23:02:14,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22612245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:14, skipping insertion in model container [2022-11-21 23:02:14,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:02:14" (1/1) ... [2022-11-21 23:02:14,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:02:14,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:02:14,452 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c[2303,2316] [2022-11-21 23:02:14,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:02:14,476 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:02:14,514 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c[2303,2316] [2022-11-21 23:02:14,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:02:14,533 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:02:14,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:14 WrapperNode [2022-11-21 23:02:14,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:02:14,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:02:14,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:02:14,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:02:14,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:14" (1/1) ... [2022-11-21 23:02:14,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:14" (1/1) ... [2022-11-21 23:02:14,581 INFO L138 Inliner]: procedures = 24, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2022-11-21 23:02:14,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:02:14,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:02:14,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:02:14,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:02:14,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:14" (1/1) ... [2022-11-21 23:02:14,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:14" (1/1) ... [2022-11-21 23:02:14,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:14" (1/1) ... [2022-11-21 23:02:14,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:14" (1/1) ... [2022-11-21 23:02:14,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:14" (1/1) ... [2022-11-21 23:02:14,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:14" (1/1) ... [2022-11-21 23:02:14,625 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:14" (1/1) ... [2022-11-21 23:02:14,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:14" (1/1) ... [2022-11-21 23:02:14,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:02:14,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:02:14,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:02:14,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:02:14,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:14" (1/1) ... [2022-11-21 23:02:14,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:02:14,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:02:14,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:02:14,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:02:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2022-11-21 23:02:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2022-11-21 23:02:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:02:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 23:02:14,750 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 23:02:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 23:02:14,750 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 23:02:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 23:02:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:02:14,751 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:02:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:02:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 23:02:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:02:14,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:02:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:02:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 23:02:14,754 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:02:14,933 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:02:14,936 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:02:15,330 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:02:15,338 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:02:15,338 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:02:15,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:02:15 BoogieIcfgContainer [2022-11-21 23:02:15,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:02:15,342 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:02:15,342 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:02:15,354 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:02:15,354 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:02:15" (1/1) ... [2022-11-21 23:02:15,355 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 23:02:15,362 INFO L158 Benchmark]: Toolchain (without parser) took 1251.71ms. Allocated memory is still 77.6MB. Free memory was 53.4MB in the beginning and 44.8MB in the end (delta: 8.6MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2022-11-21 23:02:15,363 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 77.6MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:02:15,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.66ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 41.8MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 23:02:15,365 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.09ms. Allocated memory is still 77.6MB. Free memory was 41.6MB in the beginning and 40.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:02:15,366 INFO L158 Benchmark]: Boogie Preprocessor took 48.54ms. Allocated memory is still 77.6MB. Free memory was 40.0MB in the beginning and 38.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:02:15,368 INFO L158 Benchmark]: RCFGBuilder took 709.51ms. Allocated memory is still 77.6MB. Free memory was 38.5MB in the beginning and 45.8MB in the end (delta: -7.3MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2022-11-21 23:02:15,369 INFO L158 Benchmark]: CodeCheck took 18.40ms. Allocated memory is still 77.6MB. Free memory was 45.8MB in the beginning and 44.8MB in the end (delta: 988.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:02:15,377 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 0.33ms. Allocated memory is still 77.6MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.66ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 41.8MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.09ms. Allocated memory is still 77.6MB. Free memory was 41.6MB in the beginning and 40.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.54ms. Allocated memory is still 77.6MB. Free memory was 40.0MB in the beginning and 38.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 709.51ms. Allocated memory is still 77.6MB. Free memory was 38.5MB in the beginning and 45.8MB in the end (delta: -7.3MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * CodeCheck took 18.40ms. Allocated memory is still 77.6MB. Free memory was 45.8MB in the beginning and 44.8MB in the end (delta: 988.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:02:15,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8968c4d3-691e-489d-bb57-6db6811abccb/bin/ukojak-jW3SillKbg/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