./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b09c85b7 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_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 390a12f9f7a5c311c1cdcecac54987f654ebac30db2fbb7661324a5599d93cf6 --- 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-b09c85b [2022-11-08 07:41:43,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-08 07:41:43,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-08 07:41:43,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-08 07:41:43,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-08 07:41:43,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-08 07:41:43,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-08 07:41:43,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-08 07:41:43,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-08 07:41:43,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-08 07:41:43,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-08 07:41:43,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-08 07:41:43,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-08 07:41:43,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-08 07:41:43,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-08 07:41:43,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-08 07:41:43,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-08 07:41:43,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-08 07:41:43,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-08 07:41:43,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-08 07:41:43,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-08 07:41:43,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-08 07:41:43,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-08 07:41:43,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-08 07:41:43,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-08 07:41:43,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-08 07:41:43,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-08 07:41:43,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-08 07:41:43,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-08 07:41:43,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-08 07:41:43,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-08 07:41:43,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-08 07:41:43,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-08 07:41:43,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-08 07:41:43,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-08 07:41:43,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-08 07:41:43,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-08 07:41:43,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-08 07:41:43,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-08 07:41:43,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-08 07:41:43,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-08 07:41:43,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2022-11-08 07:41:43,823 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-08 07:41:43,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-08 07:41:43,824 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-08 07:41:43,824 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-08 07:41:43,825 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-08 07:41:43,825 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-08 07:41:43,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-08 07:41:43,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-08 07:41:43,826 INFO L138 SettingsManager]: * Use SBE=true [2022-11-08 07:41:43,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-08 07:41:43,827 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-08 07:41:43,828 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-08 07:41:43,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-08 07:41:43,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-08 07:41:43,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-08 07:41:43,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-08 07:41:43,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-08 07:41:43,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-08 07:41:43,829 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-08 07:41:43,829 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-08 07:41:43,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-08 07:41:43,829 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-08 07:41:43,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-08 07:41:43,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-08 07:41:43,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-08 07:41:43,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-08 07:41:43,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-08 07:41:43,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-08 07:41:43,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-08 07:41:43,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-08 07:41:43,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-08 07:41:43,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-08 07:41:43,832 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-08 07:41:43,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-08 07:41:43,832 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-08 07:41:43,832 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-08 07:41:43,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-08 07:41:43,833 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-08 07:41:43,833 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-08 07:41:43,833 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_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 390a12f9f7a5c311c1cdcecac54987f654ebac30db2fbb7661324a5599d93cf6 [2022-11-08 07:41:44,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-08 07:41:44,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-08 07:41:44,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-08 07:41:44,180 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-08 07:41:44,181 INFO L275 PluginConnector]: CDTParser initialized [2022-11-08 07:41:44,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/../../sv-benchmarks/c/pthread-wmm/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i [2022-11-08 07:41:44,246 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/data/bba404016/96baaa708b3242f4928f976f9979250d/FLAGaa50ef322 [2022-11-08 07:41:44,921 INFO L306 CDTParser]: Found 1 translation units. [2022-11-08 07:41:44,926 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/sv-benchmarks/c/pthread-wmm/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i [2022-11-08 07:41:44,949 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/data/bba404016/96baaa708b3242f4928f976f9979250d/FLAGaa50ef322 [2022-11-08 07:41:45,156 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/data/bba404016/96baaa708b3242f4928f976f9979250d [2022-11-08 07:41:45,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-08 07:41:45,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-08 07:41:45,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-08 07:41:45,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-08 07:41:45,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-08 07:41:45,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:41:45" (1/1) ... [2022-11-08 07:41:45,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eb6e854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:45, skipping insertion in model container [2022-11-08 07:41:45,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:41:45" (1/1) ... [2022-11-08 07:41:45,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-08 07:41:45,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-08 07:41:45,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/sv-benchmarks/c/pthread-wmm/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i[1019,1032] [2022-11-08 07:41:45,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-08 07:41:45,666 INFO L203 MainTranslator]: Completed pre-run [2022-11-08 07:41:45,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/sv-benchmarks/c/pthread-wmm/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i[1019,1032] [2022-11-08 07:41:45,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-08 07:41:45,780 INFO L208 MainTranslator]: Completed translation [2022-11-08 07:41:45,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:45 WrapperNode [2022-11-08 07:41:45,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-08 07:41:45,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-08 07:41:45,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-08 07:41:45,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-08 07:41:45,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:45" (1/1) ... [2022-11-08 07:41:45,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:45" (1/1) ... [2022-11-08 07:41:45,879 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 178 [2022-11-08 07:41:45,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-08 07:41:45,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-08 07:41:45,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-08 07:41:45,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-08 07:41:45,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:45" (1/1) ... [2022-11-08 07:41:45,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:45" (1/1) ... [2022-11-08 07:41:45,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:45" (1/1) ... [2022-11-08 07:41:45,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:45" (1/1) ... [2022-11-08 07:41:45,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:45" (1/1) ... [2022-11-08 07:41:45,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:45" (1/1) ... [2022-11-08 07:41:45,933 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:45" (1/1) ... [2022-11-08 07:41:45,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:45" (1/1) ... [2022-11-08 07:41:45,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-08 07:41:45,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-08 07:41:45,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-08 07:41:45,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-08 07:41:45,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:45" (1/1) ... [2022-11-08 07:41:45,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-08 07:41:45,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:41:45,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-08 07:41:46,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-08 07:41:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-08 07:41:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-08 07:41:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-08 07:41:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-08 07:41:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-08 07:41:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-08 07:41:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-08 07:41:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-08 07:41:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-08 07:41:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-08 07:41:46,045 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-08 07:41:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-08 07:41:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-08 07:41:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-08 07:41:46,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-08 07:41:46,047 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-08 07:41:46,299 INFO L235 CfgBuilder]: Building ICFG [2022-11-08 07:41:46,301 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-08 07:41:47,006 INFO L276 CfgBuilder]: Performing block encoding [2022-11-08 07:41:47,610 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-08 07:41:47,610 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-08 07:41:47,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:41:47 BoogieIcfgContainer [2022-11-08 07:41:47,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-08 07:41:47,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-08 07:41:47,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-08 07:41:47,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-08 07:41:47,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:41:45" (1/3) ... [2022-11-08 07:41:47,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@701da2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:41:47, skipping insertion in model container [2022-11-08 07:41:47,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:41:45" (2/3) ... [2022-11-08 07:41:47,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@701da2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:41:47, skipping insertion in model container [2022-11-08 07:41:47,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:41:47" (3/3) ... [2022-11-08 07:41:47,623 INFO L112 eAbstractionObserver]: Analyzing ICFG safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i [2022-11-08 07:41:47,633 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-08 07:41:47,645 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-08 07:41:47,645 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-08 07:41:47,645 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-08 07:41:47,719 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-08 07:41:47,773 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:41:47,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-08 07:41:47,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:41:47,778 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-08 07:41:47,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-08 07:41:47,829 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-08 07:41:47,861 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork0 ======== [2022-11-08 07:41:47,880 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=PARTIAL_ORDER_FA, 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;@701794d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:41:47,881 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-08 07:41:48,377 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:41:48,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:48,382 INFO L85 PathProgramCache]: Analyzing trace with hash 845093346, now seen corresponding path program 1 times [2022-11-08 07:41:48,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:48,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491926348] [2022-11-08 07:41:48,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:48,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:48,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:41:48,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:48,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491926348] [2022-11-08 07:41:48,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491926348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:41:48,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:41:48,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-08 07:41:48,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604413752] [2022-11-08 07:41:48,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:41:48,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-08 07:41:48,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:48,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-08 07:41:48,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-08 07:41:48,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:48,990 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:48,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:48,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:49,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:49,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-08 07:41:49,109 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:41:49,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:49,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1347167899, now seen corresponding path program 1 times [2022-11-08 07:41:49,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:49,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716397531] [2022-11-08 07:41:49,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:49,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:49,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:41:49,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:49,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716397531] [2022-11-08 07:41:49,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716397531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:41:49,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:41:49,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-08 07:41:49,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057926264] [2022-11-08 07:41:49,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:41:49,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-08 07:41:49,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:49,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-08 07:41:49,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-08 07:41:49,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:49,342 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:49,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:49,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:49,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:49,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:41:49,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-08 07:41:49,404 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:41:49,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:49,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1347167898, now seen corresponding path program 1 times [2022-11-08 07:41:49,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:49,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883122047] [2022-11-08 07:41:49,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:49,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:49,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:41:49,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:49,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883122047] [2022-11-08 07:41:49,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883122047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:41:49,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:41:49,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-08 07:41:49,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731497298] [2022-11-08 07:41:49,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:41:49,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-08 07:41:49,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:49,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-08 07:41:49,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-08 07:41:49,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:49,685 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:49,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:49,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:49,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:41:49,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:52,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:52,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:41:52,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:41:52,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-08 07:41:52,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-08 07:41:52,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-08 07:41:52,456 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-08 07:41:52,457 INFO L307 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork0 was SAFE,SAFE (1/4) [2022-11-08 07:41:52,473 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:41:52,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-08 07:41:52,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:41:52,480 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-08 07:41:52,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-08 07:41:52,492 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-08 07:41:52,493 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-08 07:41:52,493 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=PARTIAL_ORDER_FA, 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;@701794d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:41:52,494 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-08 07:41:53,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2022-11-08 07:41:53,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-08 07:41:53,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-08 07:41:53,014 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-08 07:41:53,014 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/4) [2022-11-08 07:41:53,016 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:41:53,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-08 07:41:53,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:41:53,056 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-08 07:41:53,059 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-08 07:41:53,059 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork2 ======== [2022-11-08 07:41:53,060 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=PARTIAL_ORDER_FA, 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;@701794d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:41:53,060 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-08 07:41:53,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-11-08 07:41:53,297 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:41:53,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:53,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1044015978, now seen corresponding path program 1 times [2022-11-08 07:41:53,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:53,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390401050] [2022-11-08 07:41:53,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:53,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:53,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:41:53,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:53,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390401050] [2022-11-08 07:41:53,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390401050] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:41:53,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:41:53,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-08 07:41:53,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706564994] [2022-11-08 07:41:53,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:41:53,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-08 07:41:53,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:53,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-08 07:41:53,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-08 07:41:53,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:53,453 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:53,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:53,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:53,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:53,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-08 07:41:53,738 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:41:53,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:53,739 INFO L85 PathProgramCache]: Analyzing trace with hash 667745509, now seen corresponding path program 1 times [2022-11-08 07:41:53,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:53,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549550719] [2022-11-08 07:41:53,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:53,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:53,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:41:53,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:53,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549550719] [2022-11-08 07:41:53,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549550719] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:41:53,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:41:53,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-08 07:41:53,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013746210] [2022-11-08 07:41:53,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:41:53,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-08 07:41:53,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:53,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-08 07:41:53,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-08 07:41:53,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:53,915 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:53,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:53,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:53,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:54,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:54,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:54,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-08 07:41:54,664 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:41:54,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:54,664 INFO L85 PathProgramCache]: Analyzing trace with hash 117253218, now seen corresponding path program 1 times [2022-11-08 07:41:54,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:54,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281019867] [2022-11-08 07:41:54,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:54,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:54,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:41:54,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:54,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281019867] [2022-11-08 07:41:54,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281019867] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:41:54,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:41:54,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-08 07:41:54,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571387387] [2022-11-08 07:41:54,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:41:54,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-08 07:41:54,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:54,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-08 07:41:54,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-08 07:41:54,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:54,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:54,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:54,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:54,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:54,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:56,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:56,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:41:56,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-08 07:41:56,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-08 07:41:56,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-08 07:41:56,121 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-08 07:41:56,122 INFO L307 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork2 was SAFE,SAFE (3/4) [2022-11-08 07:41:56,128 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:41:56,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-08 07:41:56,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:41:56,134 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-08 07:41:56,149 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-08 07:41:56,149 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Thread1of1ForFork1 ======== [2022-11-08 07:41:56,150 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=PARTIAL_ORDER_FA, 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;@701794d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-08 07:41:56,150 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-08 07:41:56,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-11-08 07:41:56,535 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:41:56,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:56,535 INFO L85 PathProgramCache]: Analyzing trace with hash -795769616, now seen corresponding path program 1 times [2022-11-08 07:41:56,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:56,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760264120] [2022-11-08 07:41:56,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:56,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:56,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:41:56,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:56,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760264120] [2022-11-08 07:41:56,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760264120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:41:56,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:41:56,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-08 07:41:56,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705473630] [2022-11-08 07:41:56,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:41:56,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-08 07:41:56,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:56,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-08 07:41:56,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-08 07:41:56,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:56,705 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:56,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:56,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:56,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:56,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-08 07:41:56,776 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:41:56,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:56,777 INFO L85 PathProgramCache]: Analyzing trace with hash -128873723, now seen corresponding path program 1 times [2022-11-08 07:41:56,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:56,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356174405] [2022-11-08 07:41:56,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:56,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:56,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:41:56,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:56,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356174405] [2022-11-08 07:41:56,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356174405] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:41:56,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:41:56,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-08 07:41:56,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021231590] [2022-11-08 07:41:56,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:41:56,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-08 07:41:56,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:56,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-08 07:41:56,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-08 07:41:56,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:56,898 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:56,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:56,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:56,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:56,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:56,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:41:56,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-08 07:41:56,939 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:41:56,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:56,939 INFO L85 PathProgramCache]: Analyzing trace with hash -422276729, now seen corresponding path program 1 times [2022-11-08 07:41:56,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:56,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2893666] [2022-11-08 07:41:56,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:56,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:57,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:41:57,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:57,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2893666] [2022-11-08 07:41:57,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2893666] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:41:57,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:41:57,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-08 07:41:57,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166421992] [2022-11-08 07:41:57,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:41:57,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-08 07:41:57,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:57,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-08 07:41:57,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-08 07:41:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:57,057 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:57,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:57,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:57,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:41:57,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:57,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:57,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:41:57,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:41:57,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-08 07:41:57,116 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-08 07:41:57,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-08 07:41:57,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1937423384, now seen corresponding path program 1 times [2022-11-08 07:41:57,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-08 07:41:57,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480274158] [2022-11-08 07:41:57,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-08 07:41:57,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-08 07:41:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-08 07:41:57,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-08 07:41:57,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-08 07:41:57,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480274158] [2022-11-08 07:41:57,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480274158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-08 07:41:57,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-08 07:41:57,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-08 07:41:57,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778182665] [2022-11-08 07:41:57,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-08 07:41:57,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-08 07:41:57,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-08 07:41:57,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-08 07:41:57,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-08 07:41:57,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:57,269 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-08 07:41:57,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-08 07:41:57,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:57,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:41:57,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:41:57,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-08 07:41:59,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-08 07:41:59,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:41:59,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-08 07:41:59,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-08 07:41:59,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-08 07:41:59,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-08 07:41:59,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-08 07:41:59,829 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-08 07:41:59,830 INFO L307 ceAbstractionStarter]: Result for error location P0Thread1of1ForFork1 was SAFE,SAFE (4/4) [2022-11-08 07:41:59,830 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-08 07:41:59,830 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-08 07:41:59,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:41:59 BasicIcfg [2022-11-08 07:41:59,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-08 07:41:59,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-08 07:41:59,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-08 07:41:59,836 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-08 07:41:59,837 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:41:47" (3/4) ... [2022-11-08 07:41:59,840 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-08 07:41:59,845 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-08 07:41:59,846 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-08 07:41:59,846 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-08 07:41:59,851 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2022-11-08 07:41:59,851 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-08 07:41:59,851 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-08 07:41:59,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-08 07:41:59,887 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/witness.graphml [2022-11-08 07:41:59,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-08 07:41:59,888 INFO L158 Benchmark]: Toolchain (without parser) took 14728.34ms. Allocated memory was 104.9MB in the beginning and 513.8MB in the end (delta: 408.9MB). Free memory was 63.4MB in the beginning and 332.3MB in the end (delta: -268.8MB). Peak memory consumption was 138.2MB. Max. memory is 16.1GB. [2022-11-08 07:41:59,888 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-08 07:41:59,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 617.39ms. Allocated memory is still 104.9MB. Free memory was 63.3MB in the beginning and 66.5MB in the end (delta: -3.2MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2022-11-08 07:41:59,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.88ms. Allocated memory is still 104.9MB. Free memory was 66.5MB in the beginning and 63.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-08 07:41:59,889 INFO L158 Benchmark]: Boogie Preprocessor took 74.27ms. Allocated memory is still 104.9MB. Free memory was 63.7MB in the beginning and 61.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-08 07:41:59,890 INFO L158 Benchmark]: RCFGBuilder took 1657.97ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 61.6MB in the beginning and 82.9MB in the end (delta: -21.3MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2022-11-08 07:41:59,890 INFO L158 Benchmark]: TraceAbstraction took 12220.12ms. Allocated memory was 136.3MB in the beginning and 513.8MB in the end (delta: 377.5MB). Free memory was 81.6MB in the beginning and 335.4MB in the end (delta: -253.8MB). Peak memory consumption was 336.3MB. Max. memory is 16.1GB. [2022-11-08 07:41:59,890 INFO L158 Benchmark]: Witness Printer took 51.61ms. Allocated memory is still 513.8MB. Free memory was 335.4MB in the beginning and 332.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-08 07:41:59,892 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 104.9MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 617.39ms. Allocated memory is still 104.9MB. Free memory was 63.3MB in the beginning and 66.5MB in the end (delta: -3.2MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.88ms. Allocated memory is still 104.9MB. Free memory was 66.5MB in the beginning and 63.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.27ms. Allocated memory is still 104.9MB. Free memory was 63.7MB in the beginning and 61.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1657.97ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 61.6MB in the beginning and 82.9MB in the end (delta: -21.3MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * TraceAbstraction took 12220.12ms. Allocated memory was 136.3MB in the beginning and 513.8MB in the end (delta: 377.5MB). Free memory was 81.6MB in the beginning and 335.4MB in the end (delta: -253.8MB). Peak memory consumption was 336.3MB. Max. memory is 16.1GB. * Witness Printer took 51.61ms. Allocated memory is still 513.8MB. Free memory was 335.4MB in the beginning and 332.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 91938, positive: 77975, positive conditional: 75511, positive unconditional: 2464, negative: 13963, negative conditional: 13913, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 80834, positive: 77975, positive conditional: 75511, positive unconditional: 2464, negative: 2859, negative conditional: 2809, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 80834, positive: 77975, positive conditional: 75511, positive unconditional: 2464, negative: 2859, negative conditional: 2809, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 91258, positive: 77975, positive conditional: 1998, positive unconditional: 75977, negative: 13283, negative conditional: 8426, negative unconditional: 4857, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 91258, positive: 77975, positive conditional: 1998, positive unconditional: 75977, negative: 13283, negative conditional: 544, negative unconditional: 12739, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 91258, positive: 77975, positive conditional: 1998, positive unconditional: 75977, negative: 13283, negative conditional: 544, negative unconditional: 12739, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2533, positive: 2480, positive conditional: 10, positive unconditional: 2470, negative: 53, negative conditional: 3, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2533, positive: 2450, positive conditional: 0, positive unconditional: 2450, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 83, positive: 30, positive conditional: 10, positive unconditional: 20, negative: 53, negative conditional: 3, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 903, positive: 104, positive conditional: 21, positive unconditional: 83, negative: 799, negative conditional: 9, negative unconditional: 789, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 91258, positive: 75495, positive conditional: 1988, positive unconditional: 73507, negative: 13230, negative conditional: 541, negative unconditional: 12689, unknown: 2533, unknown conditional: 13, unknown unconditional: 2520] , Statistics on independence cache: Total cache size (in pairs): 2533, Positive cache size: 2480, Positive conditional cache size: 10, Positive unconditional cache size: 2470, Negative cache size: 53, Negative conditional cache size: 3, Negative unconditional cache size: 50, Eliminated conditions: 7882, Maximal queried relation: 3, Independence queries for same thread: 11104 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.4s, Number of persistent set computation: 4891, Number of trivial persistent sets: 3241, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2514, positive: 2464, positive conditional: 0, positive unconditional: 2464, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 91938, positive: 77975, positive conditional: 75511, positive unconditional: 2464, negative: 13963, negative conditional: 13913, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 80834, positive: 77975, positive conditional: 75511, positive unconditional: 2464, negative: 2859, negative conditional: 2809, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 80834, positive: 77975, positive conditional: 75511, positive unconditional: 2464, negative: 2859, negative conditional: 2809, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 91258, positive: 77975, positive conditional: 1998, positive unconditional: 75977, negative: 13283, negative conditional: 8426, negative unconditional: 4857, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 91258, positive: 77975, positive conditional: 1998, positive unconditional: 75977, negative: 13283, negative conditional: 544, negative unconditional: 12739, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 91258, positive: 77975, positive conditional: 1998, positive unconditional: 75977, negative: 13283, negative conditional: 544, negative unconditional: 12739, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2533, positive: 2480, positive conditional: 10, positive unconditional: 2470, negative: 53, negative conditional: 3, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2533, positive: 2450, positive conditional: 0, positive unconditional: 2450, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 83, positive: 30, positive conditional: 10, positive unconditional: 20, negative: 53, negative conditional: 3, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 903, positive: 104, positive conditional: 21, positive unconditional: 83, negative: 799, negative conditional: 9, negative unconditional: 789, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 91258, positive: 75495, positive conditional: 1988, positive unconditional: 73507, negative: 13230, negative conditional: 541, negative unconditional: 12689, unknown: 2533, unknown conditional: 13, unknown unconditional: 2520] , Statistics on independence cache: Total cache size (in pairs): 2533, Positive cache size: 2480, Positive conditional cache size: 10, Positive unconditional cache size: 2470, Negative cache size: 53, Negative conditional cache size: 3, Negative unconditional cache size: 50, Eliminated conditions: 7882, Maximal queried relation: 3, Independence queries for same thread: 11104 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2388, positive: 2053, positive conditional: 971, positive unconditional: 1082, negative: 335, negative conditional: 311, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2119, positive: 2053, positive conditional: 971, positive unconditional: 1082, negative: 66, negative conditional: 42, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2119, positive: 2053, positive conditional: 971, positive unconditional: 1082, negative: 66, negative conditional: 42, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2119, positive: 2053, positive conditional: 0, positive unconditional: 2053, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2119, positive: 2053, positive conditional: 0, positive unconditional: 2053, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2119, positive: 2053, positive conditional: 0, positive unconditional: 2053, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1108, positive: 1084, positive conditional: 0, positive unconditional: 1084, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1108, positive: 1072, positive conditional: 0, positive unconditional: 1072, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 350, negative conditional: 0, negative unconditional: 350, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2119, positive: 969, positive conditional: 0, positive unconditional: 969, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 1108, unknown conditional: 0, unknown unconditional: 1108] , Statistics on independence cache: Total cache size (in pairs): 1108, Positive cache size: 1084, Positive conditional cache size: 0, Positive unconditional cache size: 1084, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 269 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 302, Number of trivial persistent sets: 141, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1106, positive: 1082, positive conditional: 0, positive unconditional: 1082, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2388, positive: 2053, positive conditional: 971, positive unconditional: 1082, negative: 335, negative conditional: 311, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2119, positive: 2053, positive conditional: 971, positive unconditional: 1082, negative: 66, negative conditional: 42, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2119, positive: 2053, positive conditional: 971, positive unconditional: 1082, negative: 66, negative conditional: 42, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2119, positive: 2053, positive conditional: 0, positive unconditional: 2053, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2119, positive: 2053, positive conditional: 0, positive unconditional: 2053, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2119, positive: 2053, positive conditional: 0, positive unconditional: 2053, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1108, positive: 1084, positive conditional: 0, positive unconditional: 1084, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1108, positive: 1072, positive conditional: 0, positive unconditional: 1072, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 455, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 350, negative conditional: 0, negative unconditional: 350, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2119, positive: 969, positive conditional: 0, positive unconditional: 969, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 1108, unknown conditional: 0, unknown unconditional: 1108] , Statistics on independence cache: Total cache size (in pairs): 1108, Positive cache size: 1084, Positive conditional cache size: 0, Positive unconditional cache size: 1084, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 269 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 97288, positive: 83859, positive conditional: 81466, positive unconditional: 2393, negative: 13429, negative conditional: 13379, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 86883, positive: 83859, positive conditional: 81466, positive unconditional: 2393, negative: 3024, negative conditional: 2974, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 86883, positive: 83859, positive conditional: 81466, positive unconditional: 2393, negative: 3024, negative conditional: 2974, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 97836, positive: 83859, positive conditional: 2446, positive unconditional: 81413, negative: 13977, negative conditional: 8507, negative unconditional: 5470, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 97836, positive: 83859, positive conditional: 2446, positive unconditional: 81413, negative: 13977, negative conditional: 478, negative unconditional: 13499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 97836, positive: 83859, positive conditional: 2446, positive unconditional: 81413, negative: 13977, negative conditional: 478, negative unconditional: 13499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2470, positive: 2417, positive conditional: 18, positive unconditional: 2399, negative: 53, negative conditional: 3, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2470, positive: 2379, positive conditional: 0, positive unconditional: 2379, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 91, positive: 38, positive conditional: 18, positive unconditional: 20, negative: 53, negative conditional: 3, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 829, positive: 104, positive conditional: 33, positive unconditional: 70, negative: 725, negative conditional: 6, negative unconditional: 719, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 97836, positive: 81442, positive conditional: 2428, positive unconditional: 79014, negative: 13924, negative conditional: 475, negative unconditional: 13449, unknown: 2470, unknown conditional: 21, unknown unconditional: 2449] , Statistics on independence cache: Total cache size (in pairs): 2470, Positive cache size: 2417, Positive conditional cache size: 18, Positive unconditional cache size: 2399, Negative cache size: 53, Negative conditional cache size: 3, Negative unconditional cache size: 50, Eliminated conditions: 8029, Maximal queried relation: 3, Independence queries for same thread: 10405 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.2s, Number of persistent set computation: 4396, Number of trivial persistent sets: 3114, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2443, positive: 2393, positive conditional: 0, positive unconditional: 2393, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 97288, positive: 83859, positive conditional: 81466, positive unconditional: 2393, negative: 13429, negative conditional: 13379, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 86883, positive: 83859, positive conditional: 81466, positive unconditional: 2393, negative: 3024, negative conditional: 2974, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 86883, positive: 83859, positive conditional: 81466, positive unconditional: 2393, negative: 3024, negative conditional: 2974, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 97836, positive: 83859, positive conditional: 2446, positive unconditional: 81413, negative: 13977, negative conditional: 8507, negative unconditional: 5470, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 97836, positive: 83859, positive conditional: 2446, positive unconditional: 81413, negative: 13977, negative conditional: 478, negative unconditional: 13499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 97836, positive: 83859, positive conditional: 2446, positive unconditional: 81413, negative: 13977, negative conditional: 478, negative unconditional: 13499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2470, positive: 2417, positive conditional: 18, positive unconditional: 2399, negative: 53, negative conditional: 3, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2470, positive: 2379, positive conditional: 0, positive unconditional: 2379, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 91, positive: 38, positive conditional: 18, positive unconditional: 20, negative: 53, negative conditional: 3, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 829, positive: 104, positive conditional: 33, positive unconditional: 70, negative: 725, negative conditional: 6, negative unconditional: 719, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 97836, positive: 81442, positive conditional: 2428, positive unconditional: 79014, negative: 13924, negative conditional: 475, negative unconditional: 13449, unknown: 2470, unknown conditional: 21, unknown unconditional: 2449] , Statistics on independence cache: Total cache size (in pairs): 2470, Positive cache size: 2417, Positive conditional cache size: 18, Positive unconditional cache size: 2399, Negative cache size: 53, Negative conditional cache size: 3, Negative unconditional cache size: 50, Eliminated conditions: 8029, Maximal queried relation: 3, Independence queries for same thread: 10405 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 113510, positive: 99803, positive conditional: 97247, positive unconditional: 2556, negative: 13707, negative conditional: 13657, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 103414, positive: 99803, positive conditional: 97247, positive unconditional: 2556, negative: 3611, negative conditional: 3561, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 103414, positive: 99803, positive conditional: 97247, positive unconditional: 2556, negative: 3611, negative conditional: 3561, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 116518, positive: 99803, positive conditional: 254, positive unconditional: 99549, negative: 16715, negative conditional: 12850, negative unconditional: 3865, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 116518, positive: 99803, positive conditional: 254, positive unconditional: 99549, negative: 16715, negative conditional: 0, negative unconditional: 16715, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 116518, positive: 99803, positive conditional: 254, positive unconditional: 99549, negative: 16715, negative conditional: 0, negative unconditional: 16715, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2620, positive: 2570, positive conditional: 10, positive unconditional: 2560, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2620, positive: 2542, positive conditional: 0, positive unconditional: 2542, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 28, positive conditional: 10, positive unconditional: 18, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 678, positive: 96, positive conditional: 18, positive unconditional: 79, negative: 581, negative conditional: 0, negative unconditional: 581, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 116518, positive: 97233, positive conditional: 244, positive unconditional: 96989, negative: 16665, negative conditional: 0, negative unconditional: 16665, unknown: 2620, unknown conditional: 10, unknown unconditional: 2610] , Statistics on independence cache: Total cache size (in pairs): 2620, Positive cache size: 2570, Positive conditional cache size: 10, Positive unconditional cache size: 2560, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Eliminated conditions: 12850, Maximal queried relation: 4, Independence queries for same thread: 10096 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.1s, Number of persistent set computation: 8045, Number of trivial persistent sets: 8045, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2606, positive: 2556, positive conditional: 0, positive unconditional: 2556, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 113510, positive: 99803, positive conditional: 97247, positive unconditional: 2556, negative: 13707, negative conditional: 13657, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 103414, positive: 99803, positive conditional: 97247, positive unconditional: 2556, negative: 3611, negative conditional: 3561, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 103414, positive: 99803, positive conditional: 97247, positive unconditional: 2556, negative: 3611, negative conditional: 3561, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 116518, positive: 99803, positive conditional: 254, positive unconditional: 99549, negative: 16715, negative conditional: 12850, negative unconditional: 3865, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 116518, positive: 99803, positive conditional: 254, positive unconditional: 99549, negative: 16715, negative conditional: 0, negative unconditional: 16715, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 116518, positive: 99803, positive conditional: 254, positive unconditional: 99549, negative: 16715, negative conditional: 0, negative unconditional: 16715, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2620, positive: 2570, positive conditional: 10, positive unconditional: 2560, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2620, positive: 2542, positive conditional: 0, positive unconditional: 2542, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 28, positive conditional: 10, positive unconditional: 18, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 678, positive: 96, positive conditional: 18, positive unconditional: 79, negative: 581, negative conditional: 0, negative unconditional: 581, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 116518, positive: 97233, positive conditional: 244, positive unconditional: 96989, negative: 16665, negative conditional: 0, negative unconditional: 16665, unknown: 2620, unknown conditional: 10, unknown unconditional: 2610] , Statistics on independence cache: Total cache size (in pairs): 2620, Positive cache size: 2570, Positive conditional cache size: 10, Positive unconditional cache size: 2560, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Eliminated conditions: 12850, Maximal queried relation: 4, Independence queries for same thread: 10096 - PositiveResult [Line: 814]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 814]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 794]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 794]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P2Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 149 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 0.8s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 202 ConstructedInterpolants, 0 QuantifiedInterpolants, 534 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 149 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P1Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 149 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 591 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P0Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 149 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 16, 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, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 822 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-08 07:41:59,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2022-11-08 07:42:00,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:00,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-11-08 07:42:00,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-08 07:42:00,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf55933-a7c4-4747-936b-475de7b4245c/bin/ugemcutter-QpsTfqS70U/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 Result: TRUE