./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff57e557-9900-4381-8b9b-e48b4becc15c/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff57e557-9900-4381-8b9b-e48b4becc15c/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff57e557-9900-4381-8b9b-e48b4becc15c/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff57e557-9900-4381-8b9b-e48b4becc15c/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff57e557-9900-4381-8b9b-e48b4becc15c/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff57e557-9900-4381-8b9b-e48b4becc15c/bin/uautomizer-TMbwUNV5ro --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b --- 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-8393723 [2022-11-18 18:43:36,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:43:36,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:43:36,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:43:36,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:43:36,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:43:36,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:43:36,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:43:36,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:43:36,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:43:36,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:43:36,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:43:36,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:43:36,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:43:36,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:43:36,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:43:36,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:43:36,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:43:36,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:43:36,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:43:36,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:43:36,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:43:36,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:43:36,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:43:36,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:43:36,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:43:36,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:43:36,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:43:36,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:43:36,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:43:36,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:43:36,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:43:36,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:43:36,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:43:36,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:43:36,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:43:36,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:43:36,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:43:36,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:43:36,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:43:36,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:43:36,916 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff57e557-9900-4381-8b9b-e48b4becc15c/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 18:43:36,947 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:43:36,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:43:36,948 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:43:36,948 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:43:36,949 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:43:36,950 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:43:36,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:43:36,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:43:36,951 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:43:36,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:43:36,952 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:43:36,952 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:43:36,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:43:36,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:43:36,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:43:36,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:43:36,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:43:36,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:43:36,955 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 18:43:36,955 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:43:36,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:43:36,956 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:43:36,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:43:36,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:43:36,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:43:36,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:43:36,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:43:36,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:43:36,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:43:36,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:43:36,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:43:36,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:43:36,959 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:43:36,960 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:43:36,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:43:36,960 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_ff57e557-9900-4381-8b9b-e48b4becc15c/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff57e557-9900-4381-8b9b-e48b4becc15c/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b [2022-11-18 18:43:37,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:43:37,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:43:37,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:43:37,313 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:43:37,314 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:43:37,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff57e557-9900-4381-8b9b-e48b4becc15c/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-11-18 18:43:37,432 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff57e557-9900-4381-8b9b-e48b4becc15c/bin/uautomizer-TMbwUNV5ro/data/cb645edf0/7cc737e8f918444d911de7c7462ab01d/FLAGc62da28b9 [2022-11-18 18:43:38,078 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:43:38,079 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff57e557-9900-4381-8b9b-e48b4becc15c/sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-11-18 18:43:38,110 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff57e557-9900-4381-8b9b-e48b4becc15c/bin/uautomizer-TMbwUNV5ro/data/cb645edf0/7cc737e8f918444d911de7c7462ab01d/FLAGc62da28b9 [2022-11-18 18:43:38,299 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff57e557-9900-4381-8b9b-e48b4becc15c/bin/uautomizer-TMbwUNV5ro/data/cb645edf0/7cc737e8f918444d911de7c7462ab01d [2022-11-18 18:43:38,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:43:38,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:43:38,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:43:38,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:43:38,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:43:38,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:43:38" (1/1) ... [2022-11-18 18:43:38,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f19c32d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:38, skipping insertion in model container [2022-11-18 18:43:38,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:43:38" (1/1) ... [2022-11-18 18:43:38,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:43:38,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:43:38,656 WARN L234 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_ff57e557-9900-4381-8b9b-e48b4becc15c/sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-11-18 18:43:38,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:43:38,931 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:43:38,946 WARN L234 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_ff57e557-9900-4381-8b9b-e48b4becc15c/sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-11-18 18:43:38,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:43:39,035 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:43:39,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:39 WrapperNode [2022-11-18 18:43:39,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:43:39,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:43:39,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:43:39,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:43:39,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:39" (1/1) ... [2022-11-18 18:43:39,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:39" (1/1) ... [2022-11-18 18:43:39,088 INFO L138 Inliner]: procedures = 177, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 82 [2022-11-18 18:43:39,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:43:39,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:43:39,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:43:39,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:43:39,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:39" (1/1) ... [2022-11-18 18:43:39,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:39" (1/1) ... [2022-11-18 18:43:39,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:39" (1/1) ... [2022-11-18 18:43:39,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:39" (1/1) ... [2022-11-18 18:43:39,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:39" (1/1) ... [2022-11-18 18:43:39,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:39" (1/1) ... [2022-11-18 18:43:39,117 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:39" (1/1) ... [2022-11-18 18:43:39,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:39" (1/1) ... [2022-11-18 18:43:39,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:43:39,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:43:39,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:43:39,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:43:39,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:39" (1/1) ... [2022-11-18 18:43:39,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:43:39,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff57e557-9900-4381-8b9b-e48b4becc15c/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:39,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff57e557-9900-4381-8b9b-e48b4becc15c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:43:39,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff57e557-9900-4381-8b9b-e48b4becc15c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:43:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:43:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 18:43:39,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:43:39,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:43:39,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:43:39,230 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-18 18:43:39,230 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-18 18:43:39,230 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-18 18:43:39,230 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-18 18:43:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-18 18:43:39,231 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-18 18:43:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-18 18:43:39,231 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-18 18:43:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:43:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 18:43:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:43:39,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:43:39,234 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 18:43:39,404 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:43:39,407 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:43:39,683 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:43:39,740 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:43:39,740 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 18:43:39,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:39 BoogieIcfgContainer [2022-11-18 18:43:39,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:43:39,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:43:39,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:43:39,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:43:39,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:43:38" (1/3) ... [2022-11-18 18:43:39,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21389d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:43:39, skipping insertion in model container [2022-11-18 18:43:39,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:39" (2/3) ... [2022-11-18 18:43:39,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21389d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:43:39, skipping insertion in model container [2022-11-18 18:43:39,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:39" (3/3) ... [2022-11-18 18:43:39,755 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-11-18 18:43:39,767 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 18:43:39,780 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:43:39,780 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-18 18:43:39,780 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 18:43:39,896 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 18:43:39,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 246 flow [2022-11-18 18:43:40,059 INFO L130 PetriNetUnfolder]: 2/109 cut-off events. [2022-11-18 18:43:40,059 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:43:40,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 109 events. 2/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-11-18 18:43:40,069 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 113 transitions, 246 flow [2022-11-18 18:43:40,075 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 109 transitions, 230 flow [2022-11-18 18:43:40,089 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:43:40,097 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5bb821fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:43:40,098 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-11-18 18:43:40,112 INFO L130 PetriNetUnfolder]: 0/31 cut-off events. [2022-11-18 18:43:40,112 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:43:40,113 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:40,113 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:40,114 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-18 18:43:40,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:40,121 INFO L85 PathProgramCache]: Analyzing trace with hash 650684542, now seen corresponding path program 1 times [2022-11-18 18:43:40,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:40,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850151554] [2022-11-18 18:43:40,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:40,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:40,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:40,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:40,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850151554] [2022-11-18 18:43:40,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850151554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:40,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:40,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:40,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254152538] [2022-11-18 18:43:40,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:40,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:40,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:40,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:40,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:40,668 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 113 [2022-11-18 18:43:40,672 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 109 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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) [2022-11-18 18:43:40,673 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:40,673 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 113 [2022-11-18 18:43:40,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:41,292 INFO L130 PetriNetUnfolder]: 796/1479 cut-off events. [2022-11-18 18:43:41,293 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-18 18:43:41,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2780 conditions, 1479 events. 796/1479 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 8947 event pairs, 431 based on Foata normal form. 240/1076 useless extension candidates. Maximal degree in co-relation 2745. Up to 1192 conditions per place. [2022-11-18 18:43:41,333 INFO L137 encePairwiseOnDemand]: 98/113 looper letters, 21 selfloop transitions, 5 changer transitions 0/114 dead transitions. [2022-11-18 18:43:41,333 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 114 transitions, 301 flow [2022-11-18 18:43:41,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:41,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:43:41,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2022-11-18 18:43:41,363 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9262536873156342 [2022-11-18 18:43:41,364 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 314 transitions. [2022-11-18 18:43:41,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 314 transitions. [2022-11-18 18:43:41,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:41,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 314 transitions. [2022-11-18 18:43:41,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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) [2022-11-18 18:43:41,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 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) [2022-11-18 18:43:41,391 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 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) [2022-11-18 18:43:41,393 INFO L175 Difference]: Start difference. First operand has 120 places, 109 transitions, 230 flow. Second operand 3 states and 314 transitions. [2022-11-18 18:43:41,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 114 transitions, 301 flow [2022-11-18 18:43:41,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 114 transitions, 294 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 18:43:41,412 INFO L231 Difference]: Finished difference. Result has 118 places, 110 transitions, 267 flow [2022-11-18 18:43:41,415 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=267, PETRI_PLACES=118, PETRI_TRANSITIONS=110} [2022-11-18 18:43:41,424 INFO L288 CegarLoopForPetriNet]: 120 programPoint places, -2 predicate places. [2022-11-18 18:43:41,424 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 110 transitions, 267 flow [2022-11-18 18:43:41,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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) [2022-11-18 18:43:41,426 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:41,426 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:41,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:43:41,427 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-18 18:43:41,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:41,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1491208652, now seen corresponding path program 1 times [2022-11-18 18:43:41,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:41,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042576994] [2022-11-18 18:43:41,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:41,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:41,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:41,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:41,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042576994] [2022-11-18 18:43:41,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042576994] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:41,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:41,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:43:41,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594124773] [2022-11-18 18:43:41,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:41,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:43:41,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:41,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:43:41,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:43:41,684 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 113 [2022-11-18 18:43:41,684 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 110 transitions, 267 flow. Second operand has 4 states, 4 states have (on average 93.25) internal successors, (373), 4 states have internal predecessors, (373), 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) [2022-11-18 18:43:41,685 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:41,685 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 113 [2022-11-18 18:43:41,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:42,007 INFO L130 PetriNetUnfolder]: 398/1066 cut-off events. [2022-11-18 18:43:42,007 INFO L131 PetriNetUnfolder]: For 42/48 co-relation queries the response was YES. [2022-11-18 18:43:42,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2387 conditions, 1066 events. 398/1066 cut-off events. For 42/48 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 7121 event pairs, 148 based on Foata normal form. 0/751 useless extension candidates. Maximal degree in co-relation 2353. Up to 532 conditions per place. [2022-11-18 18:43:42,025 INFO L137 encePairwiseOnDemand]: 100/113 looper letters, 24 selfloop transitions, 13 changer transitions 0/125 dead transitions. [2022-11-18 18:43:42,026 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 125 transitions, 397 flow [2022-11-18 18:43:42,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:43:42,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-18 18:43:42,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 409 transitions. [2022-11-18 18:43:42,030 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9048672566371682 [2022-11-18 18:43:42,030 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 409 transitions. [2022-11-18 18:43:42,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 409 transitions. [2022-11-18 18:43:42,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:42,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 409 transitions. [2022-11-18 18:43:42,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 102.25) internal successors, (409), 4 states have internal predecessors, (409), 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) [2022-11-18 18:43:42,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 113.0) internal successors, (565), 5 states have internal predecessors, (565), 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) [2022-11-18 18:43:42,037 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 113.0) internal successors, (565), 5 states have internal predecessors, (565), 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) [2022-11-18 18:43:42,038 INFO L175 Difference]: Start difference. First operand has 118 places, 110 transitions, 267 flow. Second operand 4 states and 409 transitions. [2022-11-18 18:43:42,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 125 transitions, 397 flow [2022-11-18 18:43:42,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 125 transitions, 392 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:43:42,047 INFO L231 Difference]: Finished difference. Result has 122 places, 118 transitions, 365 flow [2022-11-18 18:43:42,047 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=365, PETRI_PLACES=122, PETRI_TRANSITIONS=118} [2022-11-18 18:43:42,049 INFO L288 CegarLoopForPetriNet]: 120 programPoint places, 2 predicate places. [2022-11-18 18:43:42,049 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 118 transitions, 365 flow [2022-11-18 18:43:42,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 93.25) internal successors, (373), 4 states have internal predecessors, (373), 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) [2022-11-18 18:43:42,050 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:42,051 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:42,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:43:42,051 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-18 18:43:42,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:42,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1719228733, now seen corresponding path program 1 times [2022-11-18 18:43:42,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:42,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424480290] [2022-11-18 18:43:42,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:42,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:42,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:42,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:42,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424480290] [2022-11-18 18:43:42,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424480290] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:42,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:42,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:43:42,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049363956] [2022-11-18 18:43:42,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:42,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:43:42,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:42,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:43:42,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:43:42,251 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 113 [2022-11-18 18:43:42,252 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 118 transitions, 365 flow. Second operand has 4 states, 4 states have (on average 93.25) internal successors, (373), 4 states have internal predecessors, (373), 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) [2022-11-18 18:43:42,252 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:42,252 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 113 [2022-11-18 18:43:42,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:42,405 INFO L130 PetriNetUnfolder]: 127/395 cut-off events. [2022-11-18 18:43:42,405 INFO L131 PetriNetUnfolder]: For 193/198 co-relation queries the response was YES. [2022-11-18 18:43:42,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1020 conditions, 395 events. 127/395 cut-off events. For 193/198 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1890 event pairs, 22 based on Foata normal form. 96/427 useless extension candidates. Maximal degree in co-relation 983. Up to 215 conditions per place. [2022-11-18 18:43:42,412 INFO L137 encePairwiseOnDemand]: 104/113 looper letters, 21 selfloop transitions, 5 changer transitions 0/114 dead transitions. [2022-11-18 18:43:42,413 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 114 transitions, 375 flow [2022-11-18 18:43:42,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:43:42,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-18 18:43:42,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 394 transitions. [2022-11-18 18:43:42,417 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8716814159292036 [2022-11-18 18:43:42,417 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 394 transitions. [2022-11-18 18:43:42,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 394 transitions. [2022-11-18 18:43:42,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:42,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 394 transitions. [2022-11-18 18:43:42,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 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) [2022-11-18 18:43:42,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 113.0) internal successors, (565), 5 states have internal predecessors, (565), 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) [2022-11-18 18:43:42,422 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 113.0) internal successors, (565), 5 states have internal predecessors, (565), 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) [2022-11-18 18:43:42,422 INFO L175 Difference]: Start difference. First operand has 122 places, 118 transitions, 365 flow. Second operand 4 states and 394 transitions. [2022-11-18 18:43:42,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 114 transitions, 375 flow [2022-11-18 18:43:42,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 114 transitions, 352 flow, removed 4 selfloop flow, removed 3 redundant places. [2022-11-18 18:43:42,433 INFO L231 Difference]: Finished difference. Result has 118 places, 110 transitions, 296 flow [2022-11-18 18:43:42,434 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=296, PETRI_PLACES=118, PETRI_TRANSITIONS=110} [2022-11-18 18:43:42,437 INFO L288 CegarLoopForPetriNet]: 120 programPoint places, -2 predicate places. [2022-11-18 18:43:42,437 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 110 transitions, 296 flow [2022-11-18 18:43:42,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 93.25) internal successors, (373), 4 states have internal predecessors, (373), 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) [2022-11-18 18:43:42,438 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:42,438 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:42,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:43:42,438 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-18 18:43:42,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:42,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1168622488, now seen corresponding path program 1 times [2022-11-18 18:43:42,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:42,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177476170] [2022-11-18 18:43:42,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:42,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:42,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:42,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:42,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177476170] [2022-11-18 18:43:42,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177476170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:42,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:42,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:43:42,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428106772] [2022-11-18 18:43:42,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:42,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:43:42,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:42,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:43:42,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:43:42,694 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 113 [2022-11-18 18:43:42,696 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 110 transitions, 296 flow. Second operand has 5 states, 5 states have (on average 93.4) internal successors, (467), 5 states have internal predecessors, (467), 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) [2022-11-18 18:43:42,696 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:42,696 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 113 [2022-11-18 18:43:42,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:42,831 INFO L130 PetriNetUnfolder]: 70/287 cut-off events. [2022-11-18 18:43:42,831 INFO L131 PetriNetUnfolder]: For 116/120 co-relation queries the response was YES. [2022-11-18 18:43:42,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 287 events. 70/287 cut-off events. For 116/120 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1174 event pairs, 0 based on Foata normal form. 4/278 useless extension candidates. Maximal degree in co-relation 573. Up to 76 conditions per place. [2022-11-18 18:43:42,835 INFO L137 encePairwiseOnDemand]: 104/113 looper letters, 18 selfloop transitions, 13 changer transitions 4/123 dead transitions. [2022-11-18 18:43:42,835 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 123 transitions, 420 flow [2022-11-18 18:43:42,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:43:42,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-18 18:43:42,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 499 transitions. [2022-11-18 18:43:42,838 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8831858407079646 [2022-11-18 18:43:42,838 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 499 transitions. [2022-11-18 18:43:42,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 499 transitions. [2022-11-18 18:43:42,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:42,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 499 transitions. [2022-11-18 18:43:42,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 99.8) internal successors, (499), 5 states have internal predecessors, (499), 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) [2022-11-18 18:43:42,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 113.0) internal successors, (678), 6 states have internal predecessors, (678), 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) [2022-11-18 18:43:42,843 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 113.0) internal successors, (678), 6 states have internal predecessors, (678), 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) [2022-11-18 18:43:42,844 INFO L175 Difference]: Start difference. First operand has 118 places, 110 transitions, 296 flow. Second operand 5 states and 499 transitions. [2022-11-18 18:43:42,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 123 transitions, 420 flow [2022-11-18 18:43:42,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 123 transitions, 414 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:43:42,848 INFO L231 Difference]: Finished difference. Result has 121 places, 110 transitions, 332 flow [2022-11-18 18:43:42,849 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=332, PETRI_PLACES=121, PETRI_TRANSITIONS=110} [2022-11-18 18:43:42,850 INFO L288 CegarLoopForPetriNet]: 120 programPoint places, 1 predicate places. [2022-11-18 18:43:42,850 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 110 transitions, 332 flow [2022-11-18 18:43:42,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 93.4) internal successors, (467), 5 states have internal predecessors, (467), 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) [2022-11-18 18:43:42,851 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:42,851 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:42,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:43:42,852 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-18 18:43:42,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:42,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1775738667, now seen corresponding path program 1 times [2022-11-18 18:43:42,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:42,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822878049] [2022-11-18 18:43:42,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:42,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:43,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:43,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:43,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822878049] [2022-11-18 18:43:43,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822878049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:43,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:43,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:43:43,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678736132] [2022-11-18 18:43:43,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:43,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:43:43,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:43,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:43:43,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:43:43,016 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 113 [2022-11-18 18:43:43,017 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 110 transitions, 332 flow. Second operand has 6 states, 6 states have (on average 93.5) internal successors, (561), 6 states have internal predecessors, (561), 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) [2022-11-18 18:43:43,017 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:43,018 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 113 [2022-11-18 18:43:43,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:43,139 INFO L130 PetriNetUnfolder]: 59/363 cut-off events. [2022-11-18 18:43:43,139 INFO L131 PetriNetUnfolder]: For 267/271 co-relation queries the response was YES. [2022-11-18 18:43:43,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 733 conditions, 363 events. 59/363 cut-off events. For 267/271 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1552 event pairs, 0 based on Foata normal form. 12/366 useless extension candidates. Maximal degree in co-relation 696. Up to 60 conditions per place. [2022-11-18 18:43:43,141 INFO L137 encePairwiseOnDemand]: 104/113 looper letters, 0 selfloop transitions, 0 changer transitions 115/115 dead transitions. [2022-11-18 18:43:43,142 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 115 transitions, 384 flow [2022-11-18 18:43:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:43:43,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:43:43,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 583 transitions. [2022-11-18 18:43:43,144 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.859882005899705 [2022-11-18 18:43:43,144 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 583 transitions. [2022-11-18 18:43:43,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 583 transitions. [2022-11-18 18:43:43,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:43,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 583 transitions. [2022-11-18 18:43:43,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 97.16666666666667) internal successors, (583), 6 states have internal predecessors, (583), 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) [2022-11-18 18:43:43,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 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) [2022-11-18 18:43:43,149 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 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) [2022-11-18 18:43:43,149 INFO L175 Difference]: Start difference. First operand has 121 places, 110 transitions, 332 flow. Second operand 6 states and 583 transitions. [2022-11-18 18:43:43,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 115 transitions, 384 flow [2022-11-18 18:43:43,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 115 transitions, 329 flow, removed 8 selfloop flow, removed 6 redundant places. [2022-11-18 18:43:43,152 INFO L231 Difference]: Finished difference. Result has 116 places, 0 transitions, 0 flow [2022-11-18 18:43:43,152 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=116, PETRI_TRANSITIONS=0} [2022-11-18 18:43:43,153 INFO L288 CegarLoopForPetriNet]: 120 programPoint places, -4 predicate places. [2022-11-18 18:43:43,153 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 0 transitions, 0 flow [2022-11-18 18:43:43,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 93.5) internal successors, (561), 6 states have internal predecessors, (561), 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) [2022-11-18 18:43:43,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-11-18 18:43:43,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-11-18 18:43:43,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-11-18 18:43:43,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-11-18 18:43:43,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-11-18 18:43:43,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-11-18 18:43:43,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-11-18 18:43:43,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-11-18 18:43:43,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-11-18 18:43:43,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-11-18 18:43:43,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-11-18 18:43:43,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-11-18 18:43:43,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-11-18 18:43:43,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-11-18 18:43:43,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-11-18 18:43:43,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-11-18 18:43:43,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-11-18 18:43:43,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-11-18 18:43:43,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-11-18 18:43:43,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-11-18 18:43:43,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:43:43,165 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-18 18:43:43,172 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 18:43:43,172 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:43:43,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:43:43 BasicIcfg [2022-11-18 18:43:43,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:43:43,179 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:43:43,179 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:43:43,179 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:43:43,180 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:39" (3/4) ... [2022-11-18 18:43:43,183 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 18:43:43,188 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-18 18:43:43,189 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-18 18:43:43,189 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-18 18:43:43,189 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2022-11-18 18:43:43,193 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-18 18:43:43,193 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 18:43:43,194 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 18:43:43,194 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:43:43,258 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff57e557-9900-4381-8b9b-e48b4becc15c/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 18:43:43,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:43:43,266 INFO L158 Benchmark]: Toolchain (without parser) took 4961.33ms. Allocated memory was 100.7MB in the beginning and 172.0MB in the end (delta: 71.3MB). Free memory was 64.5MB in the beginning and 143.1MB in the end (delta: -78.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:43:43,266 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 69.2MB in the beginning and 69.1MB in the end (delta: 21.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:43:43,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 727.33ms. Allocated memory is still 100.7MB. Free memory was 64.3MB in the beginning and 65.6MB in the end (delta: -1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 18:43:43,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.99ms. Allocated memory is still 100.7MB. Free memory was 65.6MB in the beginning and 63.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:43:43,269 INFO L158 Benchmark]: Boogie Preprocessor took 32.79ms. Allocated memory is still 100.7MB. Free memory was 63.7MB in the beginning and 62.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:43:43,269 INFO L158 Benchmark]: RCFGBuilder took 621.09ms. Allocated memory is still 100.7MB. Free memory was 62.0MB in the beginning and 45.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 18:43:43,270 INFO L158 Benchmark]: TraceAbstraction took 3431.27ms. Allocated memory was 100.7MB in the beginning and 172.0MB in the end (delta: 71.3MB). Free memory was 44.8MB in the beginning and 146.2MB in the end (delta: -101.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2022-11-18 18:43:43,271 INFO L158 Benchmark]: Witness Printer took 86.03ms. Allocated memory is still 172.0MB. Free memory was 146.2MB in the beginning and 143.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:43:43,273 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 69.2MB in the beginning and 69.1MB in the end (delta: 21.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 727.33ms. Allocated memory is still 100.7MB. Free memory was 64.3MB in the beginning and 65.6MB in the end (delta: -1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.99ms. Allocated memory is still 100.7MB. Free memory was 65.6MB in the beginning and 63.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.79ms. Allocated memory is still 100.7MB. Free memory was 63.7MB in the beginning and 62.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 621.09ms. Allocated memory is still 100.7MB. Free memory was 62.0MB in the beginning and 45.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3431.27ms. Allocated memory was 100.7MB in the beginning and 172.0MB in the end (delta: 71.3MB). Free memory was 44.8MB in the beginning and 146.2MB in the end (delta: -101.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * Witness Printer took 86.03ms. Allocated memory is still 172.0MB. Free memory was 146.2MB in the beginning and 143.1MB 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: - PositiveResult [Line: 734]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 734]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 746]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 746]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 761]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 761]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 150 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 186 IncrementalHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 17 mSDtfsCounter, 186 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=365occurred in iteration=2, InterpolantAutomatonStates: 22, 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, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 212 ConstructedInterpolants, 0 QuantifiedInterpolants, 546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 18:43:43,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff57e557-9900-4381-8b9b-e48b4becc15c/bin/uautomizer-TMbwUNV5ro/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