./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ --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 7faf759f4f4392e84815a483ab24e4497f918cd291dc733acf407d398902eccf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:59:58,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:59:58,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:59:58,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:59:58,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:59:58,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:59:58,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:59:58,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:59:58,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:59:58,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:59:58,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:59:58,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:59:58,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:59:58,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:59:58,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:59:58,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:59:58,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:59:58,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:59:58,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:59:58,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:59:58,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:59:58,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:59:58,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:59:58,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:59:58,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:59:58,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:59:58,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:59:58,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:59:58,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:59:58,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:59:58,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:59:58,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:59:58,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:59:58,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:59:58,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:59:58,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:59:58,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:59:58,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:59:58,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:59:58,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:59:58,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:59:58,939 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:59:58,958 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:59:58,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:59:58,959 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:59:58,959 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:59:58,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:59:58,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:59:58,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:59:58,961 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:59:58,961 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:59:58,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:59:58,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:59:58,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:59:58,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:59:58,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:59:58,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:59:58,962 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:59:58,962 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:59:58,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:59:58,963 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:59:58,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:59:58,963 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:59:58,964 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:59:58,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:59:58,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:59:58,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:59:58,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:59:58,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:59:58,965 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:59:58,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:59:58,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:59:58,966 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_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7faf759f4f4392e84815a483ab24e4497f918cd291dc733acf407d398902eccf [2022-11-20 17:59:59,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:59:59,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:59:59,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:59:59,309 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:59:59,310 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:59:59,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2022-11-20 18:00:02,386 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:00:02,701 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:00:02,702 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2022-11-20 18:00:02,709 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/data/2bfedba49/e9f06e41556d492a9b5a334bf093fa36/FLAG6c15109a7 [2022-11-20 18:00:02,724 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/data/2bfedba49/e9f06e41556d492a9b5a334bf093fa36 [2022-11-20 18:00:02,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:00:02,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:00:02,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:00:02,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:00:02,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:00:02,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:00:02" (1/1) ... [2022-11-20 18:00:02,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@135a45db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:02, skipping insertion in model container [2022-11-20 18:00:02,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:00:02" (1/1) ... [2022-11-20 18:00:02,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:00:02,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:00:03,037 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_6253f0f7-b771-4ede-8376-23bcdeead4d1/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2022-11-20 18:00:03,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:00:03,056 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:00:03,105 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_6253f0f7-b771-4ede-8376-23bcdeead4d1/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2022-11-20 18:00:03,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:00:03,126 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:00:03,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:03 WrapperNode [2022-11-20 18:00:03,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:00:03,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:00:03,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:00:03,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:00:03,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:03" (1/1) ... [2022-11-20 18:00:03,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:03" (1/1) ... [2022-11-20 18:00:03,193 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2022-11-20 18:00:03,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:00:03,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:00:03,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:00:03,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:00:03,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:03" (1/1) ... [2022-11-20 18:00:03,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:03" (1/1) ... [2022-11-20 18:00:03,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:03" (1/1) ... [2022-11-20 18:00:03,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:03" (1/1) ... [2022-11-20 18:00:03,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:03" (1/1) ... [2022-11-20 18:00:03,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:03" (1/1) ... [2022-11-20 18:00:03,239 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:03" (1/1) ... [2022-11-20 18:00:03,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:03" (1/1) ... [2022-11-20 18:00:03,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:00:03,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:00:03,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:00:03,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:00:03,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:03" (1/1) ... [2022-11-20 18:00:03,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:00:03,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:00:03,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:00:03,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:00:03,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:00:03,348 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 18:00:03,349 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 18:00:03,349 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 18:00:03,349 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 18:00:03,349 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 18:00:03,349 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 18:00:03,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:00:03,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:00:03,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:00:03,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 18:00:03,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 18:00:03,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:00:03,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:00:03,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:00:03,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:00:03,353 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 18:00:03,497 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:00:03,500 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:00:03,766 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:00:03,819 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:00:03,819 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 18:00:03,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:00:03 BoogieIcfgContainer [2022-11-20 18:00:03,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:00:03,823 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:00:03,823 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:00:03,835 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:00:03,836 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:00:03" (1/1) ... [2022-11-20 18:00:03,837 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 18:00:03,849 INFO L158 Benchmark]: Toolchain (without parser) took 1119.92ms. Allocated memory is still 144.7MB. Free memory was 117.5MB in the beginning and 86.0MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-20 18:00:03,850 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:00:03,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.83ms. Allocated memory is still 144.7MB. Free memory was 117.1MB in the beginning and 106.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:00:03,851 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.59ms. Allocated memory is still 144.7MB. Free memory was 106.2MB in the beginning and 104.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:00:03,852 INFO L158 Benchmark]: Boogie Preprocessor took 55.14ms. Allocated memory is still 144.7MB. Free memory was 104.4MB in the beginning and 103.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:00:03,853 INFO L158 Benchmark]: RCFGBuilder took 572.12ms. Allocated memory is still 144.7MB. Free memory was 103.2MB in the beginning and 86.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 18:00:03,854 INFO L158 Benchmark]: CodeCheck took 24.47ms. Allocated memory is still 144.7MB. Free memory was 86.9MB in the beginning and 86.0MB in the end (delta: 920.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:00:03,861 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 0.28ms. Allocated memory is still 113.2MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.83ms. Allocated memory is still 144.7MB. Free memory was 117.1MB in the beginning and 106.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.59ms. Allocated memory is still 144.7MB. Free memory was 106.2MB in the beginning and 104.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.14ms. Allocated memory is still 144.7MB. Free memory was 104.4MB in the beginning and 103.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 572.12ms. Allocated memory is still 144.7MB. Free memory was 103.2MB in the beginning and 86.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 24.47ms. Allocated memory is still 144.7MB. Free memory was 86.9MB in the beginning and 86.0MB in the end (delta: 920.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 18:00:03,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ --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 7faf759f4f4392e84815a483ab24e4497f918cd291dc733acf407d398902eccf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:00:06,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:00:06,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:00:06,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:00:06,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:00:06,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:00:06,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:00:06,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:00:06,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:00:06,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:00:06,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:00:06,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:00:06,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:00:06,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:00:06,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:00:06,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:00:06,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:00:06,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:00:06,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:00:06,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:00:06,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:00:06,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:00:06,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:00:06,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:00:06,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:00:06,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:00:06,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:00:06,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:00:06,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:00:06,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:00:06,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:00:06,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:00:06,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:00:06,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:00:06,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:00:06,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:00:06,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:00:06,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:00:06,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:00:06,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:00:06,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:00:06,513 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 18:00:06,553 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:00:06,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:00:06,554 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:00:06,555 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:00:06,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:00:06,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:00:06,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:00:06,556 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:00:06,556 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:00:06,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:00:06,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:00:06,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:00:06,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:00:06,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:00:06,557 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:00:06,558 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:00:06,558 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:00:06,558 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:00:06,561 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:00:06,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:00:06,562 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:00:06,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:00:06,562 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:00:06,563 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:00:06,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:00:06,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:00:06,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:00:06,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:00:06,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:00:06,565 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:00:06,565 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:00:06,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:00:06,566 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 18:00:06,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:00:06,567 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_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7faf759f4f4392e84815a483ab24e4497f918cd291dc733acf407d398902eccf [2022-11-20 18:00:06,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:00:06,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:00:06,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:00:06,934 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:00:06,935 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:00:06,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2022-11-20 18:00:10,193 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:00:10,432 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:00:10,433 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2022-11-20 18:00:10,441 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/data/5e42ff818/32e354f5a1e84322b315f84187292440/FLAGdee505367 [2022-11-20 18:00:10,455 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/data/5e42ff818/32e354f5a1e84322b315f84187292440 [2022-11-20 18:00:10,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:00:10,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:00:10,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:00:10,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:00:10,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:00:10,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:00:10" (1/1) ... [2022-11-20 18:00:10,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f900b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:10, skipping insertion in model container [2022-11-20 18:00:10,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:00:10" (1/1) ... [2022-11-20 18:00:10,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:00:10,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:00:10,697 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_6253f0f7-b771-4ede-8376-23bcdeead4d1/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2022-11-20 18:00:10,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:00:10,727 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:00:10,771 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_6253f0f7-b771-4ede-8376-23bcdeead4d1/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2022-11-20 18:00:10,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:00:10,799 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:00:10,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:10 WrapperNode [2022-11-20 18:00:10,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:00:10,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:00:10,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:00:10,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:00:10,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:10" (1/1) ... [2022-11-20 18:00:10,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:10" (1/1) ... [2022-11-20 18:00:10,834 INFO L138 Inliner]: procedures = 24, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2022-11-20 18:00:10,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:00:10,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:00:10,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:00:10,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:00:10,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:10" (1/1) ... [2022-11-20 18:00:10,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:10" (1/1) ... [2022-11-20 18:00:10,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:10" (1/1) ... [2022-11-20 18:00:10,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:10" (1/1) ... [2022-11-20 18:00:10,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:10" (1/1) ... [2022-11-20 18:00:10,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:10" (1/1) ... [2022-11-20 18:00:10,863 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:10" (1/1) ... [2022-11-20 18:00:10,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:10" (1/1) ... [2022-11-20 18:00:10,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:00:10,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:00:10,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:00:10,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:00:10,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:10" (1/1) ... [2022-11-20 18:00:10,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:00:10,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:00:10,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:00:10,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:00:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:00:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 18:00:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 18:00:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 18:00:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 18:00:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 18:00:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 18:00:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 18:00:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:00:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 18:00:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 18:00:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 18:00:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:00:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:00:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:00:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 18:00:10,977 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 18:00:11,098 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:00:11,100 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:00:11,433 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:00:11,554 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:00:11,555 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 18:00:11,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:00:11 BoogieIcfgContainer [2022-11-20 18:00:11,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:00:11,560 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:00:11,561 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:00:11,571 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:00:11,571 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:00:11" (1/1) ... [2022-11-20 18:00:11,572 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 18:00:11,580 INFO L158 Benchmark]: Toolchain (without parser) took 1118.33ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 34.2MB in the beginning and 56.0MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:00:11,580 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:00:11,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.95ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 34.0MB in the beginning and 57.0MB in the end (delta: -23.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-11-20 18:00:11,582 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.75ms. Allocated memory is still 77.6MB. Free memory was 57.0MB in the beginning and 55.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:00:11,584 INFO L158 Benchmark]: Boogie Preprocessor took 31.86ms. Allocated memory is still 77.6MB. Free memory was 55.2MB in the beginning and 53.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:00:11,585 INFO L158 Benchmark]: RCFGBuilder took 683.71ms. Allocated memory is still 77.6MB. Free memory was 53.8MB in the beginning and 57.1MB in the end (delta: -3.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 18:00:11,585 INFO L158 Benchmark]: CodeCheck took 17.24ms. Allocated memory is still 77.6MB. Free memory was 57.1MB in the beginning and 56.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:00:11,589 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 0.34ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.95ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 34.0MB in the beginning and 57.0MB in the end (delta: -23.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.75ms. Allocated memory is still 77.6MB. Free memory was 57.0MB in the beginning and 55.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.86ms. Allocated memory is still 77.6MB. Free memory was 55.2MB in the beginning and 53.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 683.71ms. Allocated memory is still 77.6MB. Free memory was 53.8MB in the beginning and 57.1MB in the end (delta: -3.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 17.24ms. Allocated memory is still 77.6MB. Free memory was 57.1MB in the beginning and 56.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 18:00:11,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6253f0f7-b771-4ede-8376-23bcdeead4d1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported