./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/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_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/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_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/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 39f434d3f7e7749f4257e03557066c1349e963b1d489e771c14fc3ff33c9a6c7 --- 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 22:35:03,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:35:03,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:35:03,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:35:03,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:35:03,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:35:03,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:35:03,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:35:03,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:35:03,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:35:03,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:35:03,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:35:03,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:35:03,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:35:03,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:35:03,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:35:03,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:35:03,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:35:03,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:35:03,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:35:03,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:35:03,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:35:03,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:35:03,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:35:03,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:35:03,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:35:03,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:35:03,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:35:03,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:35:03,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:35:03,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:35:03,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:35:03,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:35:03,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:35:03,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:35:03,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:35:03,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:35:03,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:35:03,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:35:03,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:35:03,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:35:03,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 22:35:03,995 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:35:03,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:35:03,995 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:35:04,002 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:35:04,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:35:04,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:35:04,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:35:04,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:35:04,003 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:35:04,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:35:04,003 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 22:35:04,004 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:35:04,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:35:04,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 22:35:04,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:35:04,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:35:04,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:35:04,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:35:04,004 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 22:35:04,004 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 22:35:04,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:35:04,005 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:35:04,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:35:04,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:35:04,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:35:04,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:35:04,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:35:04,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:35:04,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:35:04,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:35:04,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:35:04,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:35:04,006 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:35:04,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:35:04,006 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:35:04,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:35:04,006 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:35:04,006 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_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39f434d3f7e7749f4257e03557066c1349e963b1d489e771c14fc3ff33c9a6c7 [2022-12-13 22:35:04,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:35:04,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:35:04,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:35:04,192 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:35:04,193 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:35:04,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i [2022-12-13 22:35:06,821 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:35:07,011 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:35:07,012 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i [2022-12-13 22:35:07,024 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/bin/uautomizer-uyxdKDjOR8/data/68a98bf25/73e2649a27c64c07af2e1065a1f9a043/FLAG86947c479 [2022-12-13 22:35:07,034 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/bin/uautomizer-uyxdKDjOR8/data/68a98bf25/73e2649a27c64c07af2e1065a1f9a043 [2022-12-13 22:35:07,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:35:07,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:35:07,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:35:07,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:35:07,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:35:07,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:35:07" (1/1) ... [2022-12-13 22:35:07,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@798ea40c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:07, skipping insertion in model container [2022-12-13 22:35:07,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:35:07" (1/1) ... [2022-12-13 22:35:07,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:35:07,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:35:07,201 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_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i[956,969] [2022-12-13 22:35:07,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,309 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,309 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,309 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,310 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,310 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,310 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,310 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,310 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,310 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,318 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,318 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,318 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,318 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,319 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,319 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,326 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,327 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,327 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,327 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,335 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,336 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,336 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,337 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:35:07,345 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:35:07,354 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_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/sv-benchmarks/c/pthread-wmm/mix017_pso.opt_tso.opt.i[956,969] [2022-12-13 22:35:07,368 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,368 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,369 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,369 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,369 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,369 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,369 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,369 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,370 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,370 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,370 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,370 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,370 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,371 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,371 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,371 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,371 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,376 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,376 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,376 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,377 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,377 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,377 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,378 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,378 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,382 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,383 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,383 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,383 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,384 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,384 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,385 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,388 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,389 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,389 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:35:07,389 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:35:07,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:35:07,411 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:35:07,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:07 WrapperNode [2022-12-13 22:35:07,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:35:07,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:35:07,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:35:07,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:35:07,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:07" (1/1) ... [2022-12-13 22:35:07,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:07" (1/1) ... [2022-12-13 22:35:07,446 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 166 [2022-12-13 22:35:07,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:35:07,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:35:07,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:35:07,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:35:07,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:07" (1/1) ... [2022-12-13 22:35:07,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:07" (1/1) ... [2022-12-13 22:35:07,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:07" (1/1) ... [2022-12-13 22:35:07,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:07" (1/1) ... [2022-12-13 22:35:07,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:07" (1/1) ... [2022-12-13 22:35:07,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:07" (1/1) ... [2022-12-13 22:35:07,464 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:07" (1/1) ... [2022-12-13 22:35:07,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:07" (1/1) ... [2022-12-13 22:35:07,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:35:07,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:35:07,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:35:07,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:35:07,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:07" (1/1) ... [2022-12-13 22:35:07,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:35:07,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:07,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:07,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:35:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 22:35:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 22:35:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:35:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 22:35:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 22:35:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 22:35:07,527 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 22:35:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 22:35:07,527 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 22:35:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-13 22:35:07,528 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-13 22:35:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-13 22:35:07,528 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-13 22:35:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:35:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 22:35:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:35:07,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:35:07,544 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 22:35:07,651 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:35:07,653 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:35:07,914 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:35:08,022 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:35:08,022 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:35:08,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:35:08 BoogieIcfgContainer [2022-12-13 22:35:08,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:35:08,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:35:08,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:35:08,030 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:35:08,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:35:07" (1/3) ... [2022-12-13 22:35:08,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47300152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:35:08, skipping insertion in model container [2022-12-13 22:35:08,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:07" (2/3) ... [2022-12-13 22:35:08,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47300152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:35:08, skipping insertion in model container [2022-12-13 22:35:08,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:35:08" (3/3) ... [2022-12-13 22:35:08,033 INFO L112 eAbstractionObserver]: Analyzing ICFG mix017_pso.opt_tso.opt.i [2022-12-13 22:35:08,041 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 22:35:08,051 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:35:08,051 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 22:35:08,051 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 22:35:08,100 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 22:35:08,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 153 places, 142 transitions, 304 flow [2022-12-13 22:35:08,173 INFO L130 PetriNetUnfolder]: 2/138 cut-off events. [2022-12-13 22:35:08,174 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:35:08,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 138 events. 2/138 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2022-12-13 22:35:08,179 INFO L82 GeneralOperation]: Start removeDead. Operand has 153 places, 142 transitions, 304 flow [2022-12-13 22:35:08,182 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 149 places, 138 transitions, 288 flow [2022-12-13 22:35:08,185 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 22:35:08,193 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 138 transitions, 288 flow [2022-12-13 22:35:08,195 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 138 transitions, 288 flow [2022-12-13 22:35:08,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 149 places, 138 transitions, 288 flow [2022-12-13 22:35:08,221 INFO L130 PetriNetUnfolder]: 2/138 cut-off events. [2022-12-13 22:35:08,221 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:35:08,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 138 events. 2/138 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2022-12-13 22:35:08,224 INFO L119 LiptonReduction]: Number of co-enabled transitions 3848 [2022-12-13 22:35:11,122 INFO L134 LiptonReduction]: Checked pairs total: 12234 [2022-12-13 22:35:11,122 INFO L136 LiptonReduction]: Total number of compositions: 115 [2022-12-13 22:35:11,132 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:35:11,136 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;@36a56007, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:35:11,137 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-12-13 22:35:11,139 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2022-12-13 22:35:11,139 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:35:11,139 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:35:11,139 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 22:35:11,140 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 22:35:11,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:11,144 INFO L85 PathProgramCache]: Analyzing trace with hash 580412530, now seen corresponding path program 1 times [2022-12-13 22:35:11,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:11,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480385689] [2022-12-13 22:35:11,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:11,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:11,309 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 22:35:11,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:35:11,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480385689] [2022-12-13 22:35:11,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480385689] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:35:11,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:35:11,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 22:35:11,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915907664] [2022-12-13 22:35:11,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:35:11,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:35:11,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:35:11,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:35:11,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:35:11,347 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 257 [2022-12-13 22:35:11,348 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 33 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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 22:35:11,349 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:35:11,349 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 257 [2022-12-13 22:35:11,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:35:12,244 INFO L130 PetriNetUnfolder]: 5959/8325 cut-off events. [2022-12-13 22:35:12,244 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2022-12-13 22:35:12,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16613 conditions, 8325 events. 5959/8325 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 45698 event pairs, 5959 based on Foata normal form. 0/6446 useless extension candidates. Maximal degree in co-relation 16601. Up to 8080 conditions per place. [2022-12-13 22:35:12,288 INFO L137 encePairwiseOnDemand]: 252/257 looper letters, 25 selfloop transitions, 1 changer transitions 0/29 dead transitions. [2022-12-13 22:35:12,288 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 29 transitions, 122 flow [2022-12-13 22:35:12,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:35:12,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 22:35:12,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 381 transitions. [2022-12-13 22:35:12,302 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49416342412451364 [2022-12-13 22:35:12,302 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 381 transitions. [2022-12-13 22:35:12,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 381 transitions. [2022-12-13 22:35:12,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:35:12,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 381 transitions. [2022-12-13 22:35:12,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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 22:35:12,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 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 22:35:12,316 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 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 22:35:12,318 INFO L175 Difference]: Start difference. First operand has 46 places, 33 transitions, 78 flow. Second operand 3 states and 381 transitions. [2022-12-13 22:35:12,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 29 transitions, 122 flow [2022-12-13 22:35:12,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 29 transitions, 118 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 22:35:12,325 INFO L231 Difference]: Finished difference. Result has 40 places, 29 transitions, 68 flow [2022-12-13 22:35:12,327 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=40, PETRI_TRANSITIONS=29} [2022-12-13 22:35:12,331 INFO L288 CegarLoopForPetriNet]: 46 programPoint places, -6 predicate places. [2022-12-13 22:35:12,331 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 68 flow [2022-12-13 22:35:12,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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 22:35:12,331 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:35:12,332 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 22:35:12,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:35:12,332 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-12-13 22:35:12,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:12,333 INFO L85 PathProgramCache]: Analyzing trace with hash 580412531, now seen corresponding path program 1 times [2022-12-13 22:35:12,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:12,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318523729] [2022-12-13 22:35:12,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:12,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:12,393 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 22:35:12,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:35:12,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318523729] [2022-12-13 22:35:12,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318523729] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:35:12,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:35:12,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 22:35:12,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472813045] [2022-12-13 22:35:12,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:35:12,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:35:12,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:35:12,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:35:12,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:35:12,404 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 257 [2022-12-13 22:35:12,405 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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 22:35:12,405 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:35:12,405 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 257 [2022-12-13 22:35:12,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:35:13,013 INFO L130 PetriNetUnfolder]: 3813/5385 cut-off events. [2022-12-13 22:35:13,013 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:35:13,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10877 conditions, 5385 events. 3813/5385 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 27286 event pairs, 909 based on Foata normal form. 0/4460 useless extension candidates. Maximal degree in co-relation 10871. Up to 4651 conditions per place. [2022-12-13 22:35:13,033 INFO L137 encePairwiseOnDemand]: 248/257 looper letters, 41 selfloop transitions, 5 changer transitions 0/49 dead transitions. [2022-12-13 22:35:13,033 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 49 transitions, 206 flow [2022-12-13 22:35:13,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:35:13,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 22:35:13,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 401 transitions. [2022-12-13 22:35:13,036 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5201037613488976 [2022-12-13 22:35:13,036 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 401 transitions. [2022-12-13 22:35:13,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 401 transitions. [2022-12-13 22:35:13,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:35:13,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 401 transitions. [2022-12-13 22:35:13,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 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 22:35:13,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 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 22:35:13,040 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 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 22:35:13,041 INFO L175 Difference]: Start difference. First operand has 40 places, 29 transitions, 68 flow. Second operand 3 states and 401 transitions. [2022-12-13 22:35:13,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 49 transitions, 206 flow [2022-12-13 22:35:13,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 49 transitions, 205 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 22:35:13,042 INFO L231 Difference]: Finished difference. Result has 42 places, 33 transitions, 106 flow [2022-12-13 22:35:13,042 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=42, PETRI_TRANSITIONS=33} [2022-12-13 22:35:13,043 INFO L288 CegarLoopForPetriNet]: 46 programPoint places, -4 predicate places. [2022-12-13 22:35:13,043 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 33 transitions, 106 flow [2022-12-13 22:35:13,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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 22:35:13,044 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:35:13,044 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:35:13,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 22:35:13,044 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 22:35:13,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:13,045 INFO L85 PathProgramCache]: Analyzing trace with hash -968360452, now seen corresponding path program 1 times [2022-12-13 22:35:13,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:13,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886638866] [2022-12-13 22:35:13,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:13,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:13,114 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 22:35:13,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:35:13,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886638866] [2022-12-13 22:35:13,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886638866] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:35:13,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:35:13,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:35:13,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182348960] [2022-12-13 22:35:13,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:35:13,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 22:35:13,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:35:13,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:35:13,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:35:13,123 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 257 [2022-12-13 22:35:13,124 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 33 transitions, 106 flow. Second operand has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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 22:35:13,124 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:35:13,124 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 257 [2022-12-13 22:35:13,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:35:13,614 INFO L130 PetriNetUnfolder]: 2366/3400 cut-off events. [2022-12-13 22:35:13,614 INFO L131 PetriNetUnfolder]: For 302/302 co-relation queries the response was YES. [2022-12-13 22:35:13,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8351 conditions, 3400 events. 2366/3400 cut-off events. For 302/302 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 15863 event pairs, 511 based on Foata normal form. 0/3183 useless extension candidates. Maximal degree in co-relation 8343. Up to 1450 conditions per place. [2022-12-13 22:35:13,630 INFO L137 encePairwiseOnDemand]: 248/257 looper letters, 55 selfloop transitions, 9 changer transitions 0/67 dead transitions. [2022-12-13 22:35:13,630 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 67 transitions, 320 flow [2022-12-13 22:35:13,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 22:35:13,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 22:35:13,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 536 transitions. [2022-12-13 22:35:13,632 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5214007782101168 [2022-12-13 22:35:13,632 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 536 transitions. [2022-12-13 22:35:13,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 536 transitions. [2022-12-13 22:35:13,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:35:13,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 536 transitions. [2022-12-13 22:35:13,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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 22:35:13,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 257.0) internal successors, (1285), 5 states have internal predecessors, (1285), 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 22:35:13,635 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 257.0) internal successors, (1285), 5 states have internal predecessors, (1285), 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 22:35:13,635 INFO L175 Difference]: Start difference. First operand has 42 places, 33 transitions, 106 flow. Second operand 4 states and 536 transitions. [2022-12-13 22:35:13,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 67 transitions, 320 flow [2022-12-13 22:35:13,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 67 transitions, 315 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 22:35:13,637 INFO L231 Difference]: Finished difference. Result has 45 places, 37 transitions, 159 flow [2022-12-13 22:35:13,637 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=159, PETRI_PLACES=45, PETRI_TRANSITIONS=37} [2022-12-13 22:35:13,638 INFO L288 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2022-12-13 22:35:13,638 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 37 transitions, 159 flow [2022-12-13 22:35:13,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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 22:35:13,638 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:35:13,638 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:35:13,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 22:35:13,639 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 22:35:13,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:13,639 INFO L85 PathProgramCache]: Analyzing trace with hash -353782459, now seen corresponding path program 1 times [2022-12-13 22:35:13,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:13,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130293753] [2022-12-13 22:35:13,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:13,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:13,733 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 22:35:13,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:35:13,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130293753] [2022-12-13 22:35:13,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130293753] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:35:13,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:35:13,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:35:13,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702730677] [2022-12-13 22:35:13,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:35:13,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:35:13,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:35:13,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:35:13,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:35:13,742 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 257 [2022-12-13 22:35:13,742 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 37 transitions, 159 flow. Second operand has 5 states, 5 states have (on average 119.6) internal successors, (598), 5 states have internal predecessors, (598), 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 22:35:13,742 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:35:13,742 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 257 [2022-12-13 22:35:13,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:35:14,099 INFO L130 PetriNetUnfolder]: 2087/2959 cut-off events. [2022-12-13 22:35:14,099 INFO L131 PetriNetUnfolder]: For 1944/1944 co-relation queries the response was YES. [2022-12-13 22:35:14,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8169 conditions, 2959 events. 2087/2959 cut-off events. For 1944/1944 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 13213 event pairs, 467 based on Foata normal form. 0/2928 useless extension candidates. Maximal degree in co-relation 8159. Up to 1216 conditions per place. [2022-12-13 22:35:14,108 INFO L137 encePairwiseOnDemand]: 248/257 looper letters, 63 selfloop transitions, 13 changer transitions 4/83 dead transitions. [2022-12-13 22:35:14,108 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 83 transitions, 439 flow [2022-12-13 22:35:14,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:35:14,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 22:35:14,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 669 transitions. [2022-12-13 22:35:14,110 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5206225680933853 [2022-12-13 22:35:14,110 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 669 transitions. [2022-12-13 22:35:14,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 669 transitions. [2022-12-13 22:35:14,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:35:14,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 669 transitions. [2022-12-13 22:35:14,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 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 22:35:14,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 257.0) internal successors, (1542), 6 states have internal predecessors, (1542), 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 22:35:14,113 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 257.0) internal successors, (1542), 6 states have internal predecessors, (1542), 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 22:35:14,113 INFO L175 Difference]: Start difference. First operand has 45 places, 37 transitions, 159 flow. Second operand 5 states and 669 transitions. [2022-12-13 22:35:14,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 83 transitions, 439 flow [2022-12-13 22:35:14,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 83 transitions, 421 flow, removed 4 selfloop flow, removed 2 redundant places. [2022-12-13 22:35:14,116 INFO L231 Difference]: Finished difference. Result has 48 places, 37 transitions, 183 flow [2022-12-13 22:35:14,117 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=183, PETRI_PLACES=48, PETRI_TRANSITIONS=37} [2022-12-13 22:35:14,117 INFO L288 CegarLoopForPetriNet]: 46 programPoint places, 2 predicate places. [2022-12-13 22:35:14,117 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 37 transitions, 183 flow [2022-12-13 22:35:14,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 119.6) internal successors, (598), 5 states have internal predecessors, (598), 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 22:35:14,117 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:35:14,118 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] [2022-12-13 22:35:14,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 22:35:14,118 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 22:35:14,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:14,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1593105043, now seen corresponding path program 1 times [2022-12-13 22:35:14,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:14,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857790399] [2022-12-13 22:35:14,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:14,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:14,206 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 22:35:14,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:35:14,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857790399] [2022-12-13 22:35:14,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857790399] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:35:14,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:35:14,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:35:14,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323756302] [2022-12-13 22:35:14,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:35:14,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:35:14,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:35:14,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:35:14,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:35:14,215 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 257 [2022-12-13 22:35:14,216 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 37 transitions, 183 flow. Second operand has 6 states, 6 states have (on average 120.16666666666667) internal successors, (721), 6 states have internal predecessors, (721), 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 22:35:14,216 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:35:14,216 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 257 [2022-12-13 22:35:14,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:35:14,664 INFO L130 PetriNetUnfolder]: 2060/2912 cut-off events. [2022-12-13 22:35:14,664 INFO L131 PetriNetUnfolder]: For 2466/2466 co-relation queries the response was YES. [2022-12-13 22:35:14,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8250 conditions, 2912 events. 2060/2912 cut-off events. For 2466/2466 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 12978 event pairs, 467 based on Foata normal form. 16/2913 useless extension candidates. Maximal degree in co-relation 8239. Up to 1216 conditions per place. [2022-12-13 22:35:14,671 INFO L137 encePairwiseOnDemand]: 248/257 looper letters, 0 selfloop transitions, 0 changer transitions 75/75 dead transitions. [2022-12-13 22:35:14,671 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 75 transitions, 391 flow [2022-12-13 22:35:14,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 22:35:14,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 22:35:14,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 778 transitions. [2022-12-13 22:35:14,673 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5045395590142672 [2022-12-13 22:35:14,674 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 778 transitions. [2022-12-13 22:35:14,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 778 transitions. [2022-12-13 22:35:14,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:35:14,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 778 transitions. [2022-12-13 22:35:14,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.66666666666666) internal successors, (778), 6 states have internal predecessors, (778), 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 22:35:14,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 257.0) internal successors, (1799), 7 states have internal predecessors, (1799), 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 22:35:14,678 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 257.0) internal successors, (1799), 7 states have internal predecessors, (1799), 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 22:35:14,678 INFO L175 Difference]: Start difference. First operand has 48 places, 37 transitions, 183 flow. Second operand 6 states and 778 transitions. [2022-12-13 22:35:14,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 75 transitions, 391 flow [2022-12-13 22:35:14,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 75 transitions, 336 flow, removed 8 selfloop flow, removed 6 redundant places. [2022-12-13 22:35:14,708 INFO L231 Difference]: Finished difference. Result has 43 places, 0 transitions, 0 flow [2022-12-13 22:35:14,708 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=43, PETRI_TRANSITIONS=0} [2022-12-13 22:35:14,708 INFO L288 CegarLoopForPetriNet]: 46 programPoint places, -3 predicate places. [2022-12-13 22:35:14,709 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 0 transitions, 0 flow [2022-12-13 22:35:14,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 120.16666666666667) internal successors, (721), 6 states have internal predecessors, (721), 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 22:35:14,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-12-13 22:35:14,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-12-13 22:35:14,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-12-13 22:35:14,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-12-13 22:35:14,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-12-13 22:35:14,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-12-13 22:35:14,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-12-13 22:35:14,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-12-13 22:35:14,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-12-13 22:35:14,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-12-13 22:35:14,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-12-13 22:35:14,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-12-13 22:35:14,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-12-13 22:35:14,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-12-13 22:35:14,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-12-13 22:35:14,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-12-13 22:35:14,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-12-13 22:35:14,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-12-13 22:35:14,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-12-13 22:35:14,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-12-13 22:35:14,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 22:35:14,716 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 22:35:14,721 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 22:35:14,721 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:35:14,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:35:14 BasicIcfg [2022-12-13 22:35:14,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:35:14,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:35:14,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:35:14,725 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:35:14,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:35:08" (3/4) ... [2022-12-13 22:35:14,728 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 22:35:14,732 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-12-13 22:35:14,732 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-12-13 22:35:14,733 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-12-13 22:35:14,733 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2022-12-13 22:35:14,737 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-13 22:35:14,738 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 22:35:14,738 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 22:35:14,738 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 22:35:14,779 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 22:35:14,779 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:35:14,780 INFO L158 Benchmark]: Toolchain (without parser) took 7742.38ms. Allocated memory was 119.5MB in the beginning and 484.4MB in the end (delta: 364.9MB). Free memory was 80.8MB in the beginning and 269.7MB in the end (delta: -188.8MB). Peak memory consumption was 176.8MB. Max. memory is 16.1GB. [2022-12-13 22:35:14,780 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:35:14,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.15ms. Allocated memory is still 119.5MB. Free memory was 80.5MB in the beginning and 52.4MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-13 22:35:14,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.24ms. Allocated memory is still 119.5MB. Free memory was 52.4MB in the beginning and 49.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 22:35:14,781 INFO L158 Benchmark]: Boogie Preprocessor took 20.38ms. Allocated memory is still 119.5MB. Free memory was 49.4MB in the beginning and 47.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:35:14,781 INFO L158 Benchmark]: RCFGBuilder took 556.60ms. Allocated memory is still 119.5MB. Free memory was 47.3MB in the beginning and 57.5MB in the end (delta: -10.2MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2022-12-13 22:35:14,782 INFO L158 Benchmark]: TraceAbstraction took 6697.70ms. Allocated memory was 119.5MB in the beginning and 484.4MB in the end (delta: 364.9MB). Free memory was 56.5MB in the beginning and 272.8MB in the end (delta: -216.4MB). Peak memory consumption was 206.3MB. Max. memory is 16.1GB. [2022-12-13 22:35:14,782 INFO L158 Benchmark]: Witness Printer took 54.10ms. Allocated memory is still 484.4MB. Free memory was 272.8MB in the beginning and 269.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:35:14,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.15ms. Allocated memory is still 119.5MB. Free memory was 80.5MB in the beginning and 52.4MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.24ms. Allocated memory is still 119.5MB. Free memory was 52.4MB in the beginning and 49.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.38ms. Allocated memory is still 119.5MB. Free memory was 49.4MB in the beginning and 47.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.60ms. Allocated memory is still 119.5MB. Free memory was 47.3MB in the beginning and 57.5MB in the end (delta: -10.2MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6697.70ms. Allocated memory was 119.5MB in the beginning and 484.4MB in the end (delta: 364.9MB). Free memory was 56.5MB in the beginning and 272.8MB in the end (delta: -216.4MB). Peak memory consumption was 206.3MB. Max. memory is 16.1GB. * Witness Printer took 54.10ms. Allocated memory is still 484.4MB. Free memory was 272.8MB in the beginning and 269.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.9s, 149 PlacesBefore, 46 PlacesAfterwards, 138 TransitionsBefore, 33 TransitionsAfterwards, 3848 CoEnabledTransitionPairs, 7 FixpointIterations, 47 TrivialSequentialCompositions, 56 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 2 ChoiceCompositions, 115 TotalNumberOfCompositions, 12234 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5801, independent: 5491, independent conditional: 0, independent unconditional: 5491, dependent: 310, dependent conditional: 0, dependent unconditional: 310, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2144, independent: 2076, independent conditional: 0, independent unconditional: 2076, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5801, independent: 3415, independent conditional: 0, independent unconditional: 3415, dependent: 242, dependent conditional: 0, dependent unconditional: 242, unknown: 2144, unknown conditional: 0, unknown unconditional: 2144] , Statistics on independence cache: Total cache size (in pairs): 234, Positive cache size: 208, Positive conditional cache size: 0, Positive unconditional cache size: 208, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 762]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 762]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 851]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 851]: 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, 183 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: 6.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 316 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 277 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 337 IncrementalHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 14 mSDtfsCounter, 337 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=183occurred in iteration=4, InterpolantAutomatonStates: 21, 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, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 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 22:35:14,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb0588e-b6a4-4479-8ab6-a631fffd4b94/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