./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4 --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 841ea5a5ca051cc33dfe29d877ccdea4b63526a0ee61a2de18869a9ba1858c4b --- 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-2329fc7 [2022-12-14 18:42:23,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:42:23,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:42:23,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:42:23,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:42:23,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:42:23,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:42:23,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:42:23,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:42:23,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:42:23,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:42:23,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:42:23,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:42:23,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:42:23,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:42:23,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:42:23,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:42:23,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:42:23,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:42:23,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:42:23,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:42:23,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:42:23,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:42:23,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:42:23,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:42:23,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:42:23,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:42:23,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:42:23,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:42:23,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:42:23,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:42:23,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:42:23,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:42:23,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:42:23,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:42:23,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:42:23,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:42:23,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:42:23,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:42:23,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:42:23,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:42:23,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 18:42:23,089 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:42:23,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:42:23,089 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:42:23,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:42:23,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:42:23,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:42:23,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:42:23,090 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:42:23,090 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:42:23,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:42:23,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:42:23,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:42:23,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:42:23,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:42:23,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:42:23,091 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:42:23,091 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:42:23,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:42:23,091 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:42:23,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:42:23,092 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:42:23,092 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:42:23,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:42:23,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:42:23,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:42:23,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:42:23,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:42:23,092 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:42:23,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:42:23,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:42:23,092 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_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 841ea5a5ca051cc33dfe29d877ccdea4b63526a0ee61a2de18869a9ba1858c4b [2022-12-14 18:42:23,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:42:23,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:42:23,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:42:23,265 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:42:23,265 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:42:23,266 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2022-12-14 18:42:25,827 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:42:25,974 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:42:25,975 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2022-12-14 18:42:25,980 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/data/be6ae4501/7f1c2ad7ac224c95988d3459684b1174/FLAGae3a6b57a [2022-12-14 18:42:25,994 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/data/be6ae4501/7f1c2ad7ac224c95988d3459684b1174 [2022-12-14 18:42:25,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:42:25,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:42:26,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:42:26,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:42:26,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:42:26,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:42:25" (1/1) ... [2022-12-14 18:42:26,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ba99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:26, skipping insertion in model container [2022-12-14 18:42:26,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:42:25" (1/1) ... [2022-12-14 18:42:26,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:42:26,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:42:26,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,156 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,159 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,162 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,162 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,163 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,166 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,166 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,166 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,167 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,167 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,168 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,169 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,169 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,171 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,171 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,172 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,172 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,173 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,182 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_4bf501d3-d06a-4821-b192-efca253cb666/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c[4007,4020] [2022-12-14 18:42:26,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:42:26,196 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:42:26,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,215 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,215 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,217 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,217 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,217 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,218 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,219 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,219 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,220 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,220 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:26,222 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:26,228 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_4bf501d3-d06a-4821-b192-efca253cb666/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c[4007,4020] [2022-12-14 18:42:26,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:42:26,246 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:42:26,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:26 WrapperNode [2022-12-14 18:42:26,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:42:26,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:42:26,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:42:26,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:42:26,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:26" (1/1) ... [2022-12-14 18:42:26,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:26" (1/1) ... [2022-12-14 18:42:26,282 INFO L138 Inliner]: procedures = 26, calls = 73, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 107 [2022-12-14 18:42:26,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:42:26,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:42:26,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:42:26,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:42:26,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:26" (1/1) ... [2022-12-14 18:42:26,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:26" (1/1) ... [2022-12-14 18:42:26,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:26" (1/1) ... [2022-12-14 18:42:26,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:26" (1/1) ... [2022-12-14 18:42:26,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:26" (1/1) ... [2022-12-14 18:42:26,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:26" (1/1) ... [2022-12-14 18:42:26,311 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:26" (1/1) ... [2022-12-14 18:42:26,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:26" (1/1) ... [2022-12-14 18:42:26,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:42:26,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:42:26,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:42:26,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:42:26,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:26" (1/1) ... [2022-12-14 18:42:26,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:42:26,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:42:26,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:42:26,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:42:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:42:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:42:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:42:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-12-14 18:42:26,385 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-12-14 18:42:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:42:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 18:42:26,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 18:42:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 18:42:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 18:42:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-14 18:42:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-14 18:42:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-14 18:42:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-14 18:42:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 18:42:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 18:42:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:42:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 18:42:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 18:42:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 18:42:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:42:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:42:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:42:26,389 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 18:42:26,491 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:42:26,493 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:42:26,804 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:42:26,952 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:42:26,952 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 18:42:26,953 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L56 is neither atomic block end nor a sink node. [2022-12-14 18:42:26,954 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) [2022-12-14 18:42:26,958 INFO L158 Benchmark]: Toolchain (without parser) took 958.78ms. Allocated memory is still 161.5MB. Free memory was 130.4MB in the beginning and 72.6MB in the end (delta: 57.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-12-14 18:42:26,958 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:42:26,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.93ms. Allocated memory is still 161.5MB. Free memory was 130.4MB in the beginning and 115.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 18:42:26,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.65ms. Allocated memory is still 161.5MB. Free memory was 115.3MB in the beginning and 113.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:42:26,960 INFO L158 Benchmark]: Boogie Preprocessor took 32.11ms. Allocated memory is still 161.5MB. Free memory was 113.2MB in the beginning and 111.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:42:26,960 INFO L158 Benchmark]: RCFGBuilder took 639.93ms. Allocated memory is still 161.5MB. Free memory was 111.8MB in the beginning and 72.6MB in the end (delta: 39.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-12-14 18:42:26,963 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.93ms. Allocated memory is still 161.5MB. Free memory was 130.4MB in the beginning and 115.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.65ms. Allocated memory is still 161.5MB. Free memory was 115.3MB in the beginning and 113.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.11ms. Allocated memory is still 161.5MB. Free memory was 113.2MB in the beginning and 111.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 639.93ms. Allocated memory is still 161.5MB. Free memory was 111.8MB in the beginning and 72.6MB in the end (delta: 39.2MB). Peak memory consumption was 39.8MB. 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. [2022-12-14 18:42:26,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4 --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 841ea5a5ca051cc33dfe29d877ccdea4b63526a0ee61a2de18869a9ba1858c4b --- 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-2329fc7 [2022-12-14 18:42:28,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:42:28,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:42:28,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:42:28,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:42:28,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:42:28,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:42:28,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:42:28,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:42:28,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:42:28,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:42:28,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:42:28,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:42:28,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:42:28,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:42:28,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:42:28,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:42:28,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:42:28,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:42:28,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:42:28,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:42:28,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:42:28,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:42:28,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:42:28,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:42:28,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:42:28,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:42:28,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:42:28,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:42:28,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:42:28,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:42:28,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:42:28,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:42:28,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:42:28,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:42:28,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:42:28,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:42:28,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:42:28,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:42:28,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:42:28,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:42:28,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-14 18:42:28,681 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:42:28,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:42:28,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:42:28,682 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:42:28,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:42:28,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:42:28,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:42:28,683 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:42:28,684 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:42:28,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:42:28,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:42:28,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:42:28,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:42:28,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:42:28,685 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 18:42:28,685 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 18:42:28,685 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:42:28,685 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 18:42:28,685 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:42:28,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:42:28,686 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:42:28,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:42:28,686 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:42:28,686 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:42:28,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:42:28,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:42:28,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:42:28,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:42:28,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:42:28,687 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 18:42:28,687 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 18:42:28,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:42:28,687 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 18:42:28,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 18:42:28,688 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_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 841ea5a5ca051cc33dfe29d877ccdea4b63526a0ee61a2de18869a9ba1858c4b [2022-12-14 18:42:28,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:42:28,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:42:28,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:42:28,943 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:42:28,943 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:42:28,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2022-12-14 18:42:31,558 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:42:31,684 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:42:31,685 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2022-12-14 18:42:31,690 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/data/669f8dcc5/036a772879f342e393581d01ac0fa890/FLAGa07389d80 [2022-12-14 18:42:31,701 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/data/669f8dcc5/036a772879f342e393581d01ac0fa890 [2022-12-14 18:42:31,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:42:31,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:42:31,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:42:31,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:42:31,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:42:31,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:42:31" (1/1) ... [2022-12-14 18:42:31,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41b29d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:31, skipping insertion in model container [2022-12-14 18:42:31,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:42:31" (1/1) ... [2022-12-14 18:42:31,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:42:31,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:42:31,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,851 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,853 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,855 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,856 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,856 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,857 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,859 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,859 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,860 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,860 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,860 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,861 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,862 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,862 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,863 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,863 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,864 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,864 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,864 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,865 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,866 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,873 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_4bf501d3-d06a-4821-b192-efca253cb666/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c[4007,4020] [2022-12-14 18:42:31,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:42:31,888 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 18:42:31,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:42:31,895 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,895 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,896 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,897 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,900 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,900 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,901 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,901 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,902 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,902 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,902 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,904 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,905 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,905 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,905 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,907 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,911 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_4bf501d3-d06a-4821-b192-efca253cb666/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c[4007,4020] [2022-12-14 18:42:31,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:42:31,917 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:42:31,928 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,928 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,929 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,931 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,931 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,932 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,932 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,933 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,934 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,934 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,934 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,934 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,935 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,935 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,935 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,937 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,937 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,937 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:42:31,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:42:31,942 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_4bf501d3-d06a-4821-b192-efca253cb666/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c[4007,4020] [2022-12-14 18:42:31,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:42:31,955 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:42:31,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:31 WrapperNode [2022-12-14 18:42:31,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:42:31,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:42:31,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:42:31,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:42:31,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:31" (1/1) ... [2022-12-14 18:42:31,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:31" (1/1) ... [2022-12-14 18:42:31,985 INFO L138 Inliner]: procedures = 28, calls = 73, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 102 [2022-12-14 18:42:31,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:42:31,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:42:31,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:42:31,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:42:31,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:31" (1/1) ... [2022-12-14 18:42:31,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:31" (1/1) ... [2022-12-14 18:42:31,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:31" (1/1) ... [2022-12-14 18:42:31,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:31" (1/1) ... [2022-12-14 18:42:32,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:31" (1/1) ... [2022-12-14 18:42:32,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:31" (1/1) ... [2022-12-14 18:42:32,007 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:31" (1/1) ... [2022-12-14 18:42:32,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:31" (1/1) ... [2022-12-14 18:42:32,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:42:32,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:42:32,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:42:32,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:42:32,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:42:31" (1/1) ... [2022-12-14 18:42:32,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:42:32,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:42:32,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:42:32,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:42:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:42:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 18:42:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:42:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-12-14 18:42:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-12-14 18:42:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 18:42:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 18:42:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 18:42:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 18:42:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 18:42:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-14 18:42:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-14 18:42:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-14 18:42:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-14 18:42:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 18:42:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 18:42:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 18:42:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 18:42:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 18:42:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:42:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:42:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:42:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 18:42:32,072 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 18:42:32,163 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:42:32,165 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:42:32,501 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:42:32,669 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:42:32,669 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 18:42:32,670 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L56 is neither atomic block end nor a sink node. [2022-12-14 18:42:32,670 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) [2022-12-14 18:42:32,673 INFO L158 Benchmark]: Toolchain (without parser) took 968.74ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 29.5MB in the beginning and 49.6MB in the end (delta: -20.1MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-12-14 18:42:32,674 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:42:32,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.23ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 29.4MB in the beginning and 40.5MB in the end (delta: -11.2MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2022-12-14 18:42:32,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.65ms. Allocated memory is still 75.5MB. Free memory was 40.5MB in the beginning and 38.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:42:32,675 INFO L158 Benchmark]: Boogie Preprocessor took 24.63ms. Allocated memory is still 75.5MB. Free memory was 38.5MB in the beginning and 36.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:42:32,675 INFO L158 Benchmark]: RCFGBuilder took 661.35ms. Allocated memory is still 75.5MB. Free memory was 36.4MB in the beginning and 49.6MB in the end (delta: -13.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2022-12-14 18:42:32,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.23ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 29.4MB in the beginning and 40.5MB in the end (delta: -11.2MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.65ms. Allocated memory is still 75.5MB. Free memory was 40.5MB in the beginning and 38.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.63ms. Allocated memory is still 75.5MB. Free memory was 38.5MB in the beginning and 36.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 661.35ms. Allocated memory is still 75.5MB. Free memory was 36.4MB in the beginning and 49.6MB in the end (delta: -13.2MB). Peak memory consumption was 8.3MB. 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. [2022-12-14 18:42:32,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf501d3-d06a-4821-b192-efca253cb666/bin/ukojak-rkRKPMF4O4/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?