./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_ee2cb1e9-0830-466e-843e-f963cb3caa36/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2cb1e9-0830-466e-843e-f963cb3caa36/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2cb1e9-0830-466e-843e-f963cb3caa36/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2cb1e9-0830-466e-843e-f963cb3caa36/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2cb1e9-0830-466e-843e-f963cb3caa36/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2cb1e9-0830-466e-843e-f963cb3caa36/bin/uautomizer-uyxdKDjOR8 --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 f5d83fc7ee9b26859e9993ee2fcff801f4a9d92dea17a48a6a39594bb6b759ca --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 11:32:54,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:32:54,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:32:54,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:32:54,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:32:54,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:32:54,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:32:54,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:32:54,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:32:54,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:32:54,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:32:54,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:32:54,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:32:54,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:32:54,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:32:54,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:32:54,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:32:54,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:32:54,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:32:54,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:32:54,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:32:54,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:32:54,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:32:54,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:32:54,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:32:54,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:32:54,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:32:54,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:32:54,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:32:54,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:32:54,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:32:54,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:32:54,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:32:54,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:32:54,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:32:54,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:32:54,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:32:54,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:32:54,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:32:54,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:32:54,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:32:54,194 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2cb1e9-0830-466e-843e-f963cb3caa36/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 11:32:54,208 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:32:54,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:32:54,213 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:32:54,213 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:32:54,213 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:32:54,213 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:32:54,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:32:54,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:32:54,214 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:32:54,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:32:54,214 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:32:54,214 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:32:54,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:32:54,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:32:54,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:32:54,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:32:54,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:32:54,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:32:54,215 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 11:32:54,215 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:32:54,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:32:54,215 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:32:54,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:32:54,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:32:54,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:32:54,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:32:54,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:32:54,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:32:54,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:32:54,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:32:54,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:32:54,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:32:54,216 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:32:54,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:32:54,217 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:32:54,217 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:32:54,217 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:32:54,217 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ee2cb1e9-0830-466e-843e-f963cb3caa36/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2cb1e9-0830-466e-843e-f963cb3caa36/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5d83fc7ee9b26859e9993ee2fcff801f4a9d92dea17a48a6a39594bb6b759ca [2022-12-13 11:32:54,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:32:54,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:32:54,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:32:54,421 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:32:54,421 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:32:54,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2cb1e9-0830-466e-843e-f963cb3caa36/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i [2022-12-13 11:32:57,005 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:32:57,191 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:32:57,191 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2cb1e9-0830-466e-843e-f963cb3caa36/sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i [2022-12-13 11:32:57,203 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2cb1e9-0830-466e-843e-f963cb3caa36/bin/uautomizer-uyxdKDjOR8/data/bc36219ae/114272f5d9414a9f9966da74d10fc5fc/FLAG4a29c7e1a [2022-12-13 11:32:57,596 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2cb1e9-0830-466e-843e-f963cb3caa36/bin/uautomizer-uyxdKDjOR8/data/bc36219ae/114272f5d9414a9f9966da74d10fc5fc [2022-12-13 11:32:57,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:32:57,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:32:57,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:32:57,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:32:57,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:32:57,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:32:57" (1/1) ... [2022-12-13 11:32:57,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7abd3466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:32:57, skipping insertion in model container [2022-12-13 11:32:57,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:32:57" (1/1) ... [2022-12-13 11:32:57,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:32:57,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:32:57,753 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2cb1e9-0830-466e-843e-f963cb3caa36/sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i[958,971] [2022-12-13 11:32:57,857 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,860 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,861 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,861 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,861 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,868 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,868 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,868 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,868 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,869 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,869 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,871 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,871 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,871 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,871 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,873 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,873 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,878 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,878 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,878 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,883 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,883 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,884 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,885 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,886 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,886 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:32:57,895 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:32:57,903 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2cb1e9-0830-466e-843e-f963cb3caa36/sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i[958,971] [2022-12-13 11:32:57,917 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,918 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,918 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,918 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,918 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,919 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,919 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,919 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,919 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,920 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,920 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,924 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,925 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,925 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,925 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,925 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,926 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,927 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,927 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,927 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,927 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,929 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,929 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,929 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,929 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,931 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,931 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,931 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,932 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,933 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,933 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,937 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:32:57,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:32:57,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:32:57,959 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:32:57,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:32:57 WrapperNode [2022-12-13 11:32:57,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:32:57,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:32:57,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:32:57,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:32:57,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:32:57" (1/1) ... [2022-12-13 11:32:57,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:32:57" (1/1) ... [2022-12-13 11:32:57,995 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 149 [2022-12-13 11:32:57,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:32:57,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:32:57,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:32:57,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:32:58,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:32:57" (1/1) ... [2022-12-13 11:32:58,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:32:57" (1/1) ... [2022-12-13 11:32:58,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:32:57" (1/1) ... [2022-12-13 11:32:58,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:32:57" (1/1) ... [2022-12-13 11:32:58,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:32:57" (1/1) ... [2022-12-13 11:32:58,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:32:57" (1/1) ... [2022-12-13 11:32:58,015 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:32:57" (1/1) ... [2022-12-13 11:32:58,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:32:57" (1/1) ... [2022-12-13 11:32:58,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:32:58,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:32:58,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:32:58,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:32:58,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:32:57" (1/1) ... [2022-12-13 11:32:58,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:32:58,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2cb1e9-0830-466e-843e-f963cb3caa36/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:32:58,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2cb1e9-0830-466e-843e-f963cb3caa36/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:32:58,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2cb1e9-0830-466e-843e-f963cb3caa36/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:32:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 11:32:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 11:32:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:32:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:32:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:32:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 11:32:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 11:32:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 11:32:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 11:32:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-13 11:32:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-13 11:32:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-13 11:32:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-13 11:32:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:32:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 11:32:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:32:58,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:32:58,076 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 11:32:58,186 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:32:58,188 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:32:58,478 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:32:58,553 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:32:58,554 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 11:32:58,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:32:58 BoogieIcfgContainer [2022-12-13 11:32:58,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:32:58,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:32:58,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:32:58,560 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:32:58,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:32:57" (1/3) ... [2022-12-13 11:32:58,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f5bd45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:32:58, skipping insertion in model container [2022-12-13 11:32:58,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:32:57" (2/3) ... [2022-12-13 11:32:58,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f5bd45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:32:58, skipping insertion in model container [2022-12-13 11:32:58,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:32:58" (3/3) ... [2022-12-13 11:32:58,562 INFO L112 eAbstractionObserver]: Analyzing ICFG mix036_power.opt_rmo.opt.i [2022-12-13 11:32:58,569 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 11:32:58,577 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:32:58,577 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 11:32:58,578 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 11:32:58,622 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 11:32:58,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 156 places, 145 transitions, 310 flow [2022-12-13 11:32:58,688 INFO L130 PetriNetUnfolder]: 2/141 cut-off events. [2022-12-13 11:32:58,688 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:32:58,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 141 events. 2/141 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 94 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2022-12-13 11:32:58,693 INFO L82 GeneralOperation]: Start removeDead. Operand has 156 places, 145 transitions, 310 flow [2022-12-13 11:32:58,697 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 152 places, 141 transitions, 294 flow [2022-12-13 11:32:58,700 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 11:32:58,707 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 141 transitions, 294 flow [2022-12-13 11:32:58,709 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 141 transitions, 294 flow [2022-12-13 11:32:58,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 141 transitions, 294 flow [2022-12-13 11:32:58,731 INFO L130 PetriNetUnfolder]: 2/141 cut-off events. [2022-12-13 11:32:58,732 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:32:58,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 141 events. 2/141 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 94 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2022-12-13 11:32:58,734 INFO L119 LiptonReduction]: Number of co-enabled transitions 4100 [2022-12-13 11:33:02,020 INFO L134 LiptonReduction]: Checked pairs total: 13879 [2022-12-13 11:33:02,020 INFO L136 LiptonReduction]: Total number of compositions: 118 [2022-12-13 11:33:02,034 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:33:02,040 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;@34339abb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:33:02,040 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-12-13 11:33:02,043 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2022-12-13 11:33:02,043 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:33:02,043 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:33:02,043 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 11:33:02,044 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-12-13 11:33:02,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:33:02,047 INFO L85 PathProgramCache]: Analyzing trace with hash 569021285, now seen corresponding path program 1 times [2022-12-13 11:33:02,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:33:02,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165485856] [2022-12-13 11:33:02,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:33:02,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:33:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:33:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:33:02,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:33:02,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165485856] [2022-12-13 11:33:02,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165485856] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:33:02,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:33:02,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 11:33:02,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725712219] [2022-12-13 11:33:02,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:33:02,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:33:02,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:33:02,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:33:02,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:33:02,243 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 263 [2022-12-13 11:33:02,246 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 35 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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) [2022-12-13 11:33:02,247 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:33:02,247 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 263 [2022-12-13 11:33:02,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:33:03,112 INFO L130 PetriNetUnfolder]: 6929/9779 cut-off events. [2022-12-13 11:33:03,112 INFO L131 PetriNetUnfolder]: For 93/93 co-relation queries the response was YES. [2022-12-13 11:33:03,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19721 conditions, 9779 events. 6929/9779 cut-off events. For 93/93 co-relation queries the response was YES. Maximal size of possible extension queue 547. Compared 55097 event pairs, 1963 based on Foata normal form. 0/6910 useless extension candidates. Maximal degree in co-relation 19709. Up to 8863 conditions per place. [2022-12-13 11:33:03,174 INFO L137 encePairwiseOnDemand]: 249/263 looper letters, 45 selfloop transitions, 5 changer transitions 0/54 dead transitions. [2022-12-13 11:33:03,175 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 54 transitions, 229 flow [2022-12-13 11:33:03,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:33:03,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:33:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 420 transitions. [2022-12-13 11:33:03,185 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.532319391634981 [2022-12-13 11:33:03,185 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 420 transitions. [2022-12-13 11:33:03,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 420 transitions. [2022-12-13 11:33:03,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:33:03,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 420 transitions. [2022-12-13 11:33:03,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 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) [2022-12-13 11:33:03,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 263.0) internal successors, (1052), 4 states have internal predecessors, (1052), 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) [2022-12-13 11:33:03,195 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 263.0) internal successors, (1052), 4 states have internal predecessors, (1052), 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) [2022-12-13 11:33:03,197 INFO L175 Difference]: Start difference. First operand has 47 places, 35 transitions, 82 flow. Second operand 3 states and 420 transitions. [2022-12-13 11:33:03,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 54 transitions, 229 flow [2022-12-13 11:33:03,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 54 transitions, 222 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 11:33:03,202 INFO L231 Difference]: Finished difference. Result has 46 places, 38 transitions, 123 flow [2022-12-13 11:33:03,204 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=263, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=123, PETRI_PLACES=46, PETRI_TRANSITIONS=38} [2022-12-13 11:33:03,206 INFO L288 CegarLoopForPetriNet]: 47 programPoint places, -1 predicate places. [2022-12-13 11:33:03,207 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 38 transitions, 123 flow [2022-12-13 11:33:03,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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) [2022-12-13 11:33:03,207 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:33:03,207 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:33:03,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:33:03,207 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-12-13 11:33:03,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:33:03,208 INFO L85 PathProgramCache]: Analyzing trace with hash -30498992, now seen corresponding path program 1 times [2022-12-13 11:33:03,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:33:03,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798399291] [2022-12-13 11:33:03,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:33:03,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:33:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:33:03,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:33:03,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:33:03,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798399291] [2022-12-13 11:33:03,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798399291] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:33:03,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:33:03,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:33:03,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560289670] [2022-12-13 11:33:03,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:33:03,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:33:03,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:33:03,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:33:03,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:33:03,312 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 263 [2022-12-13 11:33:03,313 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 38 transitions, 123 flow. Second operand has 4 states, 4 states have (on average 122.25) internal successors, (489), 4 states have internal predecessors, (489), 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) [2022-12-13 11:33:03,313 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:33:03,313 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 263 [2022-12-13 11:33:03,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:33:03,875 INFO L130 PetriNetUnfolder]: 4063/5765 cut-off events. [2022-12-13 11:33:03,875 INFO L131 PetriNetUnfolder]: For 332/332 co-relation queries the response was YES. [2022-12-13 11:33:03,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14232 conditions, 5765 events. 4063/5765 cut-off events. For 332/332 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 29960 event pairs, 1011 based on Foata normal form. 0/4762 useless extension candidates. Maximal degree in co-relation 14221. Up to 4848 conditions per place. [2022-12-13 11:33:03,912 INFO L137 encePairwiseOnDemand]: 254/263 looper letters, 41 selfloop transitions, 5 changer transitions 0/50 dead transitions. [2022-12-13 11:33:03,913 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 50 transitions, 237 flow [2022-12-13 11:33:03,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:33:03,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 11:33:03,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 530 transitions. [2022-12-13 11:33:03,915 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5038022813688213 [2022-12-13 11:33:03,915 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 530 transitions. [2022-12-13 11:33:03,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 530 transitions. [2022-12-13 11:33:03,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:33:03,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 530 transitions. [2022-12-13 11:33:03,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 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) [2022-12-13 11:33:03,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 263.0) internal successors, (1315), 5 states have internal predecessors, (1315), 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) [2022-12-13 11:33:03,918 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 263.0) internal successors, (1315), 5 states have internal predecessors, (1315), 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) [2022-12-13 11:33:03,918 INFO L175 Difference]: Start difference. First operand has 46 places, 38 transitions, 123 flow. Second operand 4 states and 530 transitions. [2022-12-13 11:33:03,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 50 transitions, 237 flow [2022-12-13 11:33:03,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 50 transitions, 232 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 11:33:03,919 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 112 flow [2022-12-13 11:33:03,919 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=263, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=112, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2022-12-13 11:33:03,920 INFO L288 CegarLoopForPetriNet]: 47 programPoint places, -3 predicate places. [2022-12-13 11:33:03,920 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 112 flow [2022-12-13 11:33:03,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 122.25) internal successors, (489), 4 states have internal predecessors, (489), 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) [2022-12-13 11:33:03,920 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:33:03,920 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:33:03,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:33:03,921 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-12-13 11:33:03,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:33:03,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1550471383, now seen corresponding path program 1 times [2022-12-13 11:33:03,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:33:03,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987151400] [2022-12-13 11:33:03,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:33:03,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:33:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:33:03,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:33:03,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:33:03,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987151400] [2022-12-13 11:33:03,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987151400] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:33:03,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:33:03,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:33:03,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647696069] [2022-12-13 11:33:03,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:33:03,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:33:03,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:33:03,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:33:03,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:33:03,985 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 263 [2022-12-13 11:33:03,987 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 122.25) internal successors, (489), 4 states have internal predecessors, (489), 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) [2022-12-13 11:33:03,987 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:33:03,987 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 263 [2022-12-13 11:33:03,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:33:04,422 INFO L130 PetriNetUnfolder]: 2586/3738 cut-off events. [2022-12-13 11:33:04,423 INFO L131 PetriNetUnfolder]: For 1042/1042 co-relation queries the response was YES. [2022-12-13 11:33:04,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9093 conditions, 3738 events. 2586/3738 cut-off events. For 1042/1042 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 18374 event pairs, 613 based on Foata normal form. 0/3467 useless extension candidates. Maximal degree in co-relation 9081. Up to 1477 conditions per place. [2022-12-13 11:33:04,437 INFO L137 encePairwiseOnDemand]: 254/263 looper letters, 55 selfloop transitions, 9 changer transitions 0/68 dead transitions. [2022-12-13 11:33:04,437 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 68 transitions, 326 flow [2022-12-13 11:33:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:33:04,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 11:33:04,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 548 transitions. [2022-12-13 11:33:04,439 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5209125475285171 [2022-12-13 11:33:04,439 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 548 transitions. [2022-12-13 11:33:04,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 548 transitions. [2022-12-13 11:33:04,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:33:04,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 548 transitions. [2022-12-13 11:33:04,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 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) [2022-12-13 11:33:04,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 263.0) internal successors, (1315), 5 states have internal predecessors, (1315), 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) [2022-12-13 11:33:04,443 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 263.0) internal successors, (1315), 5 states have internal predecessors, (1315), 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) [2022-12-13 11:33:04,443 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 112 flow. Second operand 4 states and 548 transitions. [2022-12-13 11:33:04,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 68 transitions, 326 flow [2022-12-13 11:33:04,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 68 transitions, 320 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 11:33:04,444 INFO L231 Difference]: Finished difference. Result has 46 places, 38 transitions, 164 flow [2022-12-13 11:33:04,445 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=263, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=164, PETRI_PLACES=46, PETRI_TRANSITIONS=38} [2022-12-13 11:33:04,445 INFO L288 CegarLoopForPetriNet]: 47 programPoint places, -1 predicate places. [2022-12-13 11:33:04,445 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 38 transitions, 164 flow [2022-12-13 11:33:04,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 122.25) internal successors, (489), 4 states have internal predecessors, (489), 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) [2022-12-13 11:33:04,446 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:33:04,446 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:33:04,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:33:04,446 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-12-13 11:33:04,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:33:04,446 INFO L85 PathProgramCache]: Analyzing trace with hash -870168826, now seen corresponding path program 1 times [2022-12-13 11:33:04,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:33:04,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86582934] [2022-12-13 11:33:04,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:33:04,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:33:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:33:04,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:33:04,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:33:04,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86582934] [2022-12-13 11:33:04,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86582934] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:33:04,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:33:04,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:33:04,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383857415] [2022-12-13 11:33:04,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:33:04,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:33:04,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:33:04,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:33:04,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:33:04,552 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 263 [2022-12-13 11:33:04,553 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 38 transitions, 164 flow. Second operand has 5 states, 5 states have (on average 122.8) internal successors, (614), 5 states have internal predecessors, (614), 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) [2022-12-13 11:33:04,553 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:33:04,554 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 263 [2022-12-13 11:33:04,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:33:04,950 INFO L130 PetriNetUnfolder]: 2307/3297 cut-off events. [2022-12-13 11:33:04,950 INFO L131 PetriNetUnfolder]: For 2130/2130 co-relation queries the response was YES. [2022-12-13 11:33:04,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9312 conditions, 3297 events. 2307/3297 cut-off events. For 2130/2130 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 15786 event pairs, 569 based on Foata normal form. 0/3212 useless extension candidates. Maximal degree in co-relation 9299. Up to 1345 conditions per place. [2022-12-13 11:33:04,962 INFO L137 encePairwiseOnDemand]: 254/263 looper letters, 63 selfloop transitions, 13 changer transitions 4/84 dead transitions. [2022-12-13 11:33:04,962 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 84 transitions, 444 flow [2022-12-13 11:33:04,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:33:04,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 11:33:04,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 684 transitions. [2022-12-13 11:33:04,963 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5201520912547528 [2022-12-13 11:33:04,964 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 684 transitions. [2022-12-13 11:33:04,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 684 transitions. [2022-12-13 11:33:04,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:33:04,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 684 transitions. [2022-12-13 11:33:04,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 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) [2022-12-13 11:33:04,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 263.0) internal successors, (1578), 6 states have internal predecessors, (1578), 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) [2022-12-13 11:33:04,967 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 263.0) internal successors, (1578), 6 states have internal predecessors, (1578), 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) [2022-12-13 11:33:04,967 INFO L175 Difference]: Start difference. First operand has 46 places, 38 transitions, 164 flow. Second operand 5 states and 684 transitions. [2022-12-13 11:33:04,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 84 transitions, 444 flow [2022-12-13 11:33:04,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 84 transitions, 426 flow, removed 4 selfloop flow, removed 2 redundant places. [2022-12-13 11:33:04,970 INFO L231 Difference]: Finished difference. Result has 49 places, 38 transitions, 188 flow [2022-12-13 11:33:04,970 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=263, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=188, PETRI_PLACES=49, PETRI_TRANSITIONS=38} [2022-12-13 11:33:04,971 INFO L288 CegarLoopForPetriNet]: 47 programPoint places, 2 predicate places. [2022-12-13 11:33:04,971 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 38 transitions, 188 flow [2022-12-13 11:33:04,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 122.8) internal successors, (614), 5 states have internal predecessors, (614), 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) [2022-12-13 11:33:04,971 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:33:04,971 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] [2022-12-13 11:33:04,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 11:33:04,971 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-12-13 11:33:04,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:33:04,972 INFO L85 PathProgramCache]: Analyzing trace with hash 2295241, now seen corresponding path program 1 times [2022-12-13 11:33:04,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:33:04,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930861915] [2022-12-13 11:33:04,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:33:04,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:33:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:33:05,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:33:05,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:33:05,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930861915] [2022-12-13 11:33:05,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930861915] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:33:05,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:33:05,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:33:05,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515414528] [2022-12-13 11:33:05,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:33:05,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:33:05,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:33:05,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:33:05,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:33:05,069 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 263 [2022-12-13 11:33:05,070 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 38 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 123.16666666666667) internal successors, (739), 6 states have internal predecessors, (739), 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) [2022-12-13 11:33:05,071 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:33:05,071 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 263 [2022-12-13 11:33:05,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:33:05,486 INFO L130 PetriNetUnfolder]: 2280/3250 cut-off events. [2022-12-13 11:33:05,486 INFO L131 PetriNetUnfolder]: For 2664/2664 co-relation queries the response was YES. [2022-12-13 11:33:05,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9413 conditions, 3250 events. 2280/3250 cut-off events. For 2664/2664 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 15551 event pairs, 569 based on Foata normal form. 16/3197 useless extension candidates. Maximal degree in co-relation 9399. Up to 1345 conditions per place. [2022-12-13 11:33:05,490 INFO L137 encePairwiseOnDemand]: 254/263 looper letters, 0 selfloop transitions, 0 changer transitions 76/76 dead transitions. [2022-12-13 11:33:05,491 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 76 transitions, 396 flow [2022-12-13 11:33:05,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:33:05,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 11:33:05,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 796 transitions. [2022-12-13 11:33:05,492 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5044359949302915 [2022-12-13 11:33:05,492 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 796 transitions. [2022-12-13 11:33:05,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 796 transitions. [2022-12-13 11:33:05,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:33:05,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 796 transitions. [2022-12-13 11:33:05,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 132.66666666666666) internal successors, (796), 6 states have internal predecessors, (796), 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) [2022-12-13 11:33:05,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 263.0) internal successors, (1841), 7 states have internal predecessors, (1841), 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) [2022-12-13 11:33:05,496 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 263.0) internal successors, (1841), 7 states have internal predecessors, (1841), 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) [2022-12-13 11:33:05,496 INFO L175 Difference]: Start difference. First operand has 49 places, 38 transitions, 188 flow. Second operand 6 states and 796 transitions. [2022-12-13 11:33:05,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 76 transitions, 396 flow [2022-12-13 11:33:05,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 76 transitions, 341 flow, removed 8 selfloop flow, removed 6 redundant places. [2022-12-13 11:33:05,525 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2022-12-13 11:33:05,525 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=263, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0} [2022-12-13 11:33:05,525 INFO L288 CegarLoopForPetriNet]: 47 programPoint places, -3 predicate places. [2022-12-13 11:33:05,525 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2022-12-13 11:33:05,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 123.16666666666667) internal successors, (739), 6 states have internal predecessors, (739), 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) [2022-12-13 11:33:05,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-12-13 11:33:05,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-12-13 11:33:05,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-12-13 11:33:05,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-12-13 11:33:05,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-12-13 11:33:05,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-12-13 11:33:05,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-12-13 11:33:05,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-12-13 11:33:05,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-12-13 11:33:05,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-12-13 11:33:05,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-12-13 11:33:05,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-12-13 11:33:05,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-12-13 11:33:05,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-12-13 11:33:05,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-12-13 11:33:05,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-12-13 11:33:05,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-12-13 11:33:05,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-12-13 11:33:05,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-12-13 11:33:05,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-12-13 11:33:05,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 11:33:05,530 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 11:33:05,534 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 11:33:05,534 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:33:05,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:33:05 BasicIcfg [2022-12-13 11:33:05,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:33:05,536 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:33:05,536 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:33:05,537 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:33:05,537 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:32:58" (3/4) ... [2022-12-13 11:33:05,539 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 11:33:05,542 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-12-13 11:33:05,542 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-12-13 11:33:05,542 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-12-13 11:33:05,542 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2022-12-13 11:33:05,545 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-13 11:33:05,545 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 11:33:05,545 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 11:33:05,546 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 11:33:05,574 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2cb1e9-0830-466e-843e-f963cb3caa36/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:33:05,574 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:33:05,574 INFO L158 Benchmark]: Toolchain (without parser) took 7971.83ms. Allocated memory was 142.6MB in the beginning and 383.8MB in the end (delta: 241.2MB). Free memory was 104.5MB in the beginning and 228.9MB in the end (delta: -124.4MB). Peak memory consumption was 118.5MB. Max. memory is 16.1GB. [2022-12-13 11:33:05,575 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 142.6MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:33:05,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.95ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 75.9MB in the end (delta: 28.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-13 11:33:05,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.49ms. Allocated memory is still 142.6MB. Free memory was 75.9MB in the beginning and 73.4MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:33:05,576 INFO L158 Benchmark]: Boogie Preprocessor took 22.81ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 71.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:33:05,576 INFO L158 Benchmark]: RCFGBuilder took 536.55ms. Allocated memory was 142.6MB in the beginning and 174.1MB in the end (delta: 31.5MB). Free memory was 71.3MB in the beginning and 120.2MB in the end (delta: -48.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-12-13 11:33:05,576 INFO L158 Benchmark]: TraceAbstraction took 6978.67ms. Allocated memory was 174.1MB in the beginning and 383.8MB in the end (delta: 209.7MB). Free memory was 119.4MB in the beginning and 232.1MB in the end (delta: -112.7MB). Peak memory consumption was 281.2MB. Max. memory is 16.1GB. [2022-12-13 11:33:05,577 INFO L158 Benchmark]: Witness Printer took 37.49ms. Allocated memory is still 383.8MB. Free memory was 232.1MB in the beginning and 228.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:33:05,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 142.6MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.95ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 75.9MB in the end (delta: 28.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.49ms. Allocated memory is still 142.6MB. Free memory was 75.9MB in the beginning and 73.4MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.81ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 71.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.55ms. Allocated memory was 142.6MB in the beginning and 174.1MB in the end (delta: 31.5MB). Free memory was 71.3MB in the beginning and 120.2MB in the end (delta: -48.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6978.67ms. Allocated memory was 174.1MB in the beginning and 383.8MB in the end (delta: 209.7MB). Free memory was 119.4MB in the beginning and 232.1MB in the end (delta: -112.7MB). Peak memory consumption was 281.2MB. Max. memory is 16.1GB. * Witness Printer took 37.49ms. Allocated memory is still 383.8MB. Free memory was 232.1MB in the beginning and 228.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3s, 152 PlacesBefore, 47 PlacesAfterwards, 141 TransitionsBefore, 35 TransitionsAfterwards, 4100 CoEnabledTransitionPairs, 7 FixpointIterations, 48 TrivialSequentialCompositions, 60 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 118 TotalNumberOfCompositions, 13879 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4838, independent: 4505, independent conditional: 0, independent unconditional: 4505, dependent: 333, dependent conditional: 0, dependent unconditional: 333, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2219, independent: 2157, independent conditional: 0, independent unconditional: 2157, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4838, independent: 2348, independent conditional: 0, independent unconditional: 2348, dependent: 271, dependent conditional: 0, dependent unconditional: 271, unknown: 2219, unknown conditional: 0, unknown unconditional: 2219] , Statistics on independence cache: Total cache size (in pairs): 219, Positive cache size: 194, Positive conditional cache size: 0, Positive unconditional cache size: 194, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 792]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 792]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 822]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 822]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 848]: 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, 188 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: 6.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 269 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 242 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 414 IncrementalHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 19 mSDtfsCounter, 414 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=188occurred in iteration=4, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 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! [2022-12-13 11:33:05,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2cb1e9-0830-466e-843e-f963cb3caa36/bin/uautomizer-uyxdKDjOR8/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