./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/bin/uautomizer-tPACEb0tL8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 --- 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-e04fb08 [2022-11-16 11:33:44,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:33:44,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:33:44,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:33:44,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:33:44,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:33:44,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:33:44,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:33:44,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:33:44,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:33:44,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:33:44,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:33:44,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:33:44,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:33:44,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:33:44,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:33:44,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:33:44,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:33:44,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:33:44,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:33:44,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:33:44,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:33:44,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:33:44,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:33:44,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:33:44,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:33:44,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:33:44,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:33:44,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:33:44,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:33:44,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:33:44,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:33:44,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:33:44,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:33:44,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:33:44,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:33:44,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:33:44,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:33:44,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:33:44,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:33:44,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:33:44,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:33:44,178 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:33:44,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:33:44,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:33:44,178 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:33:44,179 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:33:44,179 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:33:44,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:33:44,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:33:44,180 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:33:44,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:33:44,181 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:33:44,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:33:44,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:33:44,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:33:44,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:33:44,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:33:44,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:33:44,182 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:33:44,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:33:44,183 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:33:44,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:33:44,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:33:44,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:33:44,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:33:44,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:33:44,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:33:44,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:33:44,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:33:44,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:33:44,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:33:44,185 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:33:44,185 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:33:44,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:33:44,185 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_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 [2022-11-16 11:33:44,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:33:44,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:33:44,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:33:44,584 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:33:44,585 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:33:44,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-11-16 11:33:44,699 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/bin/uautomizer-tPACEb0tL8/data/3bacb07c1/776de5130f7d4fd19f8d9401d2f538ad/FLAGa57677466 [2022-11-16 11:33:45,311 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:33:45,312 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-11-16 11:33:45,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/bin/uautomizer-tPACEb0tL8/data/3bacb07c1/776de5130f7d4fd19f8d9401d2f538ad/FLAGa57677466 [2022-11-16 11:33:45,603 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/bin/uautomizer-tPACEb0tL8/data/3bacb07c1/776de5130f7d4fd19f8d9401d2f538ad [2022-11-16 11:33:45,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:33:45,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:33:45,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:33:45,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:33:45,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:33:45,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:33:45" (1/1) ... [2022-11-16 11:33:45,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140d8676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:45, skipping insertion in model container [2022-11-16 11:33:45,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:33:45" (1/1) ... [2022-11-16 11:33:45,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:33:45,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:33:45,889 WARN L229 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_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-11-16 11:33:46,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:33:46,074 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:33:46,094 WARN L229 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_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-11-16 11:33:46,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:33:46,204 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:33:46,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:46 WrapperNode [2022-11-16 11:33:46,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:33:46,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:33:46,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:33:46,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:33:46,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:46" (1/1) ... [2022-11-16 11:33:46,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:46" (1/1) ... [2022-11-16 11:33:46,253 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-11-16 11:33:46,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:33:46,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:33:46,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:33:46,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:33:46,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:46" (1/1) ... [2022-11-16 11:33:46,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:46" (1/1) ... [2022-11-16 11:33:46,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:46" (1/1) ... [2022-11-16 11:33:46,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:46" (1/1) ... [2022-11-16 11:33:46,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:46" (1/1) ... [2022-11-16 11:33:46,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:46" (1/1) ... [2022-11-16 11:33:46,279 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:46" (1/1) ... [2022-11-16 11:33:46,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:46" (1/1) ... [2022-11-16 11:33:46,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:33:46,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:33:46,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:33:46,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:33:46,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:46" (1/1) ... [2022-11-16 11:33:46,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:33:46,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:33:46,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:33:46,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:33:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:33:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:33:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 11:33:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:33:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:33:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 11:33:46,374 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 11:33:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:33:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:33:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:33:46,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:33:46,376 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:33:46,551 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:33:46,554 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:33:46,809 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:33:46,817 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:33:46,817 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:33:46,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:33:46 BoogieIcfgContainer [2022-11-16 11:33:46,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:33:46,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:33:46,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:33:46,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:33:46,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:33:45" (1/3) ... [2022-11-16 11:33:46,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c2719f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:33:46, skipping insertion in model container [2022-11-16 11:33:46,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:33:46" (2/3) ... [2022-11-16 11:33:46,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c2719f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:33:46, skipping insertion in model container [2022-11-16 11:33:46,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:33:46" (3/3) ... [2022-11-16 11:33:46,848 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2022-11-16 11:33:46,858 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:33:46,873 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:33:46,873 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:33:46,873 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:33:46,963 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-16 11:33:47,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 71 transitions, 150 flow [2022-11-16 11:33:47,059 INFO L130 PetriNetUnfolder]: 1/70 cut-off events. [2022-11-16 11:33:47,059 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 11:33:47,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 70 events. 1/70 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-11-16 11:33:47,064 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 71 transitions, 150 flow [2022-11-16 11:33:47,069 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 56 transitions, 115 flow [2022-11-16 11:33:47,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:33:47,087 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5bdac164, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:33:47,088 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-16 11:33:47,111 INFO L130 PetriNetUnfolder]: 0/50 cut-off events. [2022-11-16 11:33:47,111 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:33:47,111 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:33:47,112 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:33:47,113 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 11:33:47,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:47,119 INFO L85 PathProgramCache]: Analyzing trace with hash -591045949, now seen corresponding path program 1 times [2022-11-16 11:33:47,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:47,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046923096] [2022-11-16 11:33:47,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:47,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:33:47,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:33:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:33:47,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:33:47,394 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:33:47,396 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-16 11:33:47,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-11-16 11:33:47,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:33:47,400 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 11:33:47,417 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:33:47,417 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:33:47,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:33:47 BasicIcfg [2022-11-16 11:33:47,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:33:47,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:33:47,463 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:33:47,464 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:33:47,464 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:33:46" (3/4) ... [2022-11-16 11:33:47,466 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-16 11:33:47,517 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:33:47,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:33:47,519 INFO L158 Benchmark]: Toolchain (without parser) took 1911.25ms. Allocated memory is still 148.9MB. Free memory was 107.1MB in the beginning and 65.8MB in the end (delta: 41.3MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2022-11-16 11:33:47,520 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 148.9MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:33:47,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.81ms. Allocated memory is still 148.9MB. Free memory was 107.0MB in the beginning and 112.7MB in the end (delta: -5.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:33:47,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.13ms. Allocated memory is still 148.9MB. Free memory was 112.7MB in the beginning and 111.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:33:47,522 INFO L158 Benchmark]: Boogie Preprocessor took 29.18ms. Allocated memory is still 148.9MB. Free memory was 111.3MB in the beginning and 109.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:33:47,523 INFO L158 Benchmark]: RCFGBuilder took 536.55ms. Allocated memory is still 148.9MB. Free memory was 109.9MB in the beginning and 96.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:33:47,524 INFO L158 Benchmark]: TraceAbstraction took 639.49ms. Allocated memory is still 148.9MB. Free memory was 95.9MB in the beginning and 69.3MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-16 11:33:47,524 INFO L158 Benchmark]: Witness Printer took 54.92ms. Allocated memory is still 148.9MB. Free memory was 69.3MB in the beginning and 65.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:33:47,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 148.9MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.81ms. Allocated memory is still 148.9MB. Free memory was 107.0MB in the beginning and 112.7MB in the end (delta: -5.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.13ms. Allocated memory is still 148.9MB. Free memory was 112.7MB in the beginning and 111.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.18ms. Allocated memory is still 148.9MB. Free memory was 111.3MB in the beginning and 109.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.55ms. Allocated memory is still 148.9MB. Free memory was 109.9MB in the beginning and 96.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 639.49ms. Allocated memory is still 148.9MB. Free memory was 95.9MB in the beginning and 69.3MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 54.92ms. Allocated memory is still 148.9MB. Free memory was 69.3MB in the beginning and 65.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [mutex2={3:0}] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [mutex1={4:0}, mutex2={3:0}] [L681] 0 int glob1 = 0; VAL [glob1=0, mutex1={4:0}, mutex2={3:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={4:0}, mutex2={3:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={4:0}, mutex2={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={4:0}, mutex2={3:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={4:0}, mutex2={3:0}] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-16 11:33:47,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd4fe6e-1e04-430e-a289-7e2682e8eec2/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE