./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e6a14a531a7a58347cefef713565bcea13a3839848e23eb785379c30b602107 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:49:38,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:38,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:38,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:38,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:38,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:39,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:39,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:39,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:39,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:39,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:39,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:39,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:39,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:39,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:39,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:39,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:39,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:39,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:39,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:39,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:39,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:39,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:39,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:39,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:39,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:39,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:39,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:39,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:39,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:39,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:39,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:39,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:39,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:39,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:39,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:39,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:39,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:39,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:39,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:39,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:39,082 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:39,140 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:39,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:39,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:39,142 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:39,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:39,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:39,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:39,143 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:39,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:39,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:39,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:39,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:39,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:39,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:39,146 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:39,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:39,146 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:39,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:39,146 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:39,147 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:39,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:39,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:39,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:39,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:39,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:39,148 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:39,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:39,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:39,150 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_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e6a14a531a7a58347cefef713565bcea13a3839848e23eb785379c30b602107 [2022-10-17 16:49:39,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:39,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:39,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:39,439 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:39,440 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:39,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2022-10-17 16:49:39,510 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/data/c82faafea/a178915d06d84637ba187097eb38e820/FLAG06ba2a307 [2022-10-17 16:49:40,050 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:40,051 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2022-10-17 16:49:40,064 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/data/c82faafea/a178915d06d84637ba187097eb38e820/FLAG06ba2a307 [2022-10-17 16:49:40,403 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/data/c82faafea/a178915d06d84637ba187097eb38e820 [2022-10-17 16:49:40,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:40,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:40,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:40,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:40,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:40,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:40" (1/1) ... [2022-10-17 16:49:40,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@103a3628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:40, skipping insertion in model container [2022-10-17 16:49:40,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:40" (1/1) ... [2022-10-17 16:49:40,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:40,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:40,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c[2612,2625] [2022-10-17 16:49:40,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:40,691 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:40,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c[2612,2625] [2022-10-17 16:49:40,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:40,731 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:40,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:40 WrapperNode [2022-10-17 16:49:40,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:40,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:40,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:40,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:40,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:40" (1/1) ... [2022-10-17 16:49:40,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:40" (1/1) ... [2022-10-17 16:49:40,771 INFO L138 Inliner]: procedures = 23, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 77 [2022-10-17 16:49:40,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:40,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:40,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:40,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:40,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:40" (1/1) ... [2022-10-17 16:49:40,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:40" (1/1) ... [2022-10-17 16:49:40,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:40" (1/1) ... [2022-10-17 16:49:40,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:40" (1/1) ... [2022-10-17 16:49:40,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:40" (1/1) ... [2022-10-17 16:49:40,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:40" (1/1) ... [2022-10-17 16:49:40,797 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:40" (1/1) ... [2022-10-17 16:49:40,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:40" (1/1) ... [2022-10-17 16:49:40,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:40,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:40,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:40,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:40,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:40" (1/1) ... [2022-10-17 16:49:40,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:40,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:40,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:40,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:49:40,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:49:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:49:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:49:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-17 16:49:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-17 16:49:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-10-17 16:49:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-10-17 16:49:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:49:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:49:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:49:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:49:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:49:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:49:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:49:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:49:40,919 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:49:41,060 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:41,063 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:41,352 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:41,430 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:41,430 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:49:41,431 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-10-17 16:49:41,432 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 16:49:41,437 INFO L158 Benchmark]: Toolchain (without parser) took 1027.39ms. Allocated memory is still 102.8MB. Free memory was 60.1MB in the beginning and 55.9MB in the end (delta: 4.2MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2022-10-17 16:49:41,437 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory was 76.5MB in the beginning and 76.5MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:41,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.65ms. Allocated memory is still 102.8MB. Free memory was 59.9MB in the beginning and 77.0MB in the end (delta: -17.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:49:41,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.94ms. Allocated memory is still 102.8MB. Free memory was 77.0MB in the beginning and 75.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:41,441 INFO L158 Benchmark]: Boogie Preprocessor took 29.24ms. Allocated memory is still 102.8MB. Free memory was 75.3MB in the beginning and 73.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:41,442 INFO L158 Benchmark]: RCFGBuilder took 632.84ms. Allocated memory is still 102.8MB. Free memory was 73.7MB in the beginning and 55.9MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 16:49:41,446 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory was 76.5MB in the beginning and 76.5MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.65ms. Allocated memory is still 102.8MB. Free memory was 59.9MB in the beginning and 77.0MB in the end (delta: -17.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.94ms. Allocated memory is still 102.8MB. Free memory was 77.0MB in the beginning and 75.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.24ms. Allocated memory is still 102.8MB. Free memory was 75.3MB in the beginning and 73.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 632.84ms. Allocated memory is still 102.8MB. Free memory was 73.7MB in the beginning and 55.9MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:49:41,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e6a14a531a7a58347cefef713565bcea13a3839848e23eb785379c30b602107 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:49:43,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:43,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:43,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:43,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:43,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:43,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:43,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:43,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:43,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:43,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:43,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:43,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:43,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:43,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:43,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:43,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:43,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:43,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:43,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:43,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:43,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:43,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:43,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:43,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:43,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:43,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:43,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:43,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:43,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:43,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:43,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:43,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:43,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:43,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:43,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:43,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:43,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:43,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:43,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:43,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:43,942 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:49:43,993 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:43,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:43,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:43,996 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:43,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:43,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:43,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:43,999 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:43,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:43,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:44,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:44,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:44,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:44,001 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:49:44,001 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:49:44,001 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:49:44,002 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:44,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:44,002 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:44,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:44,003 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:44,003 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:44,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:44,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:44,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:44,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:44,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:44,004 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:49:44,005 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:49:44,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:44,005 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:49:44,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:49:44,006 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_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e6a14a531a7a58347cefef713565bcea13a3839848e23eb785379c30b602107 [2022-10-17 16:49:44,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:44,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:44,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:44,464 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:44,465 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:44,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2022-10-17 16:49:44,550 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/data/6c658f5ee/e88f3c9d9adc4aaf94fac8c98e3af510/FLAGbb9065e22 [2022-10-17 16:49:45,133 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:45,134 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2022-10-17 16:49:45,151 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/data/6c658f5ee/e88f3c9d9adc4aaf94fac8c98e3af510/FLAGbb9065e22 [2022-10-17 16:49:45,487 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/data/6c658f5ee/e88f3c9d9adc4aaf94fac8c98e3af510 [2022-10-17 16:49:45,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:45,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:45,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:45,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:45,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:45,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d0891d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45, skipping insertion in model container [2022-10-17 16:49:45,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:45,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:45,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c[2612,2625] [2022-10-17 16:49:45,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:45,742 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:45,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c[2612,2625] [2022-10-17 16:49:45,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:45,839 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:45,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45 WrapperNode [2022-10-17 16:49:45,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:45,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:45,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:45,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:45,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,900 INFO L138 Inliner]: procedures = 25, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 77 [2022-10-17 16:49:45,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:45,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:45,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:45,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:45,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,926 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:45,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:45,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:45,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:45,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:45,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:45,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:45,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:49:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:49:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:49:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:49:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-17 16:49:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-17 16:49:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:49:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-10-17 16:49:46,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-10-17 16:49:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:49:46,023 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:49:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:49:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:49:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:49:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:49:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:49:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:49:46,028 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:49:46,177 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:46,179 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:46,516 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:46,626 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:46,627 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:49:46,627 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-10-17 16:49:46,628 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 16:49:46,641 INFO L158 Benchmark]: Toolchain (without parser) took 1148.73ms. Allocated memory is still 77.6MB. Free memory was 57.8MB in the beginning and 37.7MB in the end (delta: 20.1MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2022-10-17 16:49:46,643 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 49.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:46,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.77ms. Allocated memory is still 77.6MB. Free memory was 57.7MB in the beginning and 60.5MB in the end (delta: -2.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:49:46,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.43ms. Allocated memory is still 77.6MB. Free memory was 60.5MB in the beginning and 58.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:46,646 INFO L158 Benchmark]: Boogie Preprocessor took 30.77ms. Allocated memory is still 77.6MB. Free memory was 58.9MB in the beginning and 57.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:46,646 INFO L158 Benchmark]: RCFGBuilder took 706.20ms. Allocated memory is still 77.6MB. Free memory was 57.3MB in the beginning and 37.7MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 16:49:46,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 49.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.77ms. Allocated memory is still 77.6MB. Free memory was 57.7MB in the beginning and 60.5MB in the end (delta: -2.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.43ms. Allocated memory is still 77.6MB. Free memory was 60.5MB in the beginning and 58.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.77ms. Allocated memory is still 77.6MB. Free memory was 58.9MB in the beginning and 57.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 706.20ms. Allocated memory is still 77.6MB. Free memory was 57.3MB in the beginning and 37.7MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:49:46,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b23fac9-6e70-4bad-91cf-d5a3696c4a9b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?