./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_365efb8b-01bc-4503-876d-be18d601eb74/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_365efb8b-01bc-4503-876d-be18d601eb74/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_365efb8b-01bc-4503-876d-be18d601eb74/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_365efb8b-01bc-4503-876d-be18d601eb74/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_365efb8b-01bc-4503-876d-be18d601eb74/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_365efb8b-01bc-4503-876d-be18d601eb74/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 013bb91f520a17a9cdc0cfee70ba812e0f5d104f38897431df1c1d9fa0ad9ebb --- 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 17:23:15,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:23:16,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:23:16,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:23:16,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:23:16,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:23:16,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:23:16,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:23:16,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:23:16,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:23:16,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:23:16,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:23:16,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:23:16,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:23:16,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:23:16,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:23:16,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:23:16,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:23:16,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:23:16,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:23:16,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:23:16,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:23:16,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:23:16,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:23:16,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:23:16,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:23:16,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:23:16,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:23:16,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:23:16,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:23:16,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:23:16,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:23:16,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:23:16,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:23:16,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:23:16,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:23:16,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:23:16,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:23:16,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:23:16,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:23:16,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:23:16,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_365efb8b-01bc-4503-876d-be18d601eb74/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 17:23:16,077 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:23:16,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:23:16,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:23:16,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:23:16,078 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:23:16,078 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:23:16,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:23:16,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:23:16,079 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:23:16,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:23:16,080 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 17:23:16,080 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:23:16,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:23:16,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 17:23:16,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:23:16,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:23:16,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:23:16,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:23:16,081 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 17:23:16,081 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 17:23:16,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:23:16,082 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:23:16,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:23:16,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:23:16,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:23:16,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:23:16,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:23:16,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:23:16,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:23:16,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:23:16,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:23:16,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:23:16,084 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:23:16,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:23:16,084 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:23:16,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:23:16,085 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:23:16,085 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_365efb8b-01bc-4503-876d-be18d601eb74/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_365efb8b-01bc-4503-876d-be18d601eb74/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 013bb91f520a17a9cdc0cfee70ba812e0f5d104f38897431df1c1d9fa0ad9ebb [2022-12-13 17:23:16,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:23:16,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:23:16,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:23:16,276 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:23:16,277 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:23:16,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_365efb8b-01bc-4503-876d-be18d601eb74/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i [2022-12-13 17:23:18,867 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:23:19,072 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:23:19,072 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_365efb8b-01bc-4503-876d-be18d601eb74/sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i [2022-12-13 17:23:19,081 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_365efb8b-01bc-4503-876d-be18d601eb74/bin/uautomizer-uyxdKDjOR8/data/bf8e9d29a/0f0aeb3ab64642e5aa4171bb3171d934/FLAG49fac5129 [2022-12-13 17:23:19,092 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_365efb8b-01bc-4503-876d-be18d601eb74/bin/uautomizer-uyxdKDjOR8/data/bf8e9d29a/0f0aeb3ab64642e5aa4171bb3171d934 [2022-12-13 17:23:19,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:23:19,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:23:19,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:23:19,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:23:19,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:23:19,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:23:19" (1/1) ... [2022-12-13 17:23:19,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad6772f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:23:19, skipping insertion in model container [2022-12-13 17:23:19,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:23:19" (1/1) ... [2022-12-13 17:23:19,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:23:19,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:23:19,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:23:19,441 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:23:19,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:23:19,502 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:23:19,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:23:19 WrapperNode [2022-12-13 17:23:19,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:23:19,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:23:19,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:23:19,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:23:19,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:23:19" (1/1) ... [2022-12-13 17:23:19,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:23:19" (1/1) ... [2022-12-13 17:23:19,534 INFO L138 Inliner]: procedures = 266, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2022-12-13 17:23:19,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:23:19,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:23:19,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:23:19,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:23:19,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:23:19" (1/1) ... [2022-12-13 17:23:19,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:23:19" (1/1) ... [2022-12-13 17:23:19,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:23:19" (1/1) ... [2022-12-13 17:23:19,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:23:19" (1/1) ... [2022-12-13 17:23:19,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:23:19" (1/1) ... [2022-12-13 17:23:19,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:23:19" (1/1) ... [2022-12-13 17:23:19,549 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:23:19" (1/1) ... [2022-12-13 17:23:19,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:23:19" (1/1) ... [2022-12-13 17:23:19,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:23:19,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:23:19,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:23:19,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:23:19,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:23:19" (1/1) ... [2022-12-13 17:23:19,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:23:19,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_365efb8b-01bc-4503-876d-be18d601eb74/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:23:19,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_365efb8b-01bc-4503-876d-be18d601eb74/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:23:19,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_365efb8b-01bc-4503-876d-be18d601eb74/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:23:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 17:23:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 17:23:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 17:23:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 17:23:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:23:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 17:23:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 17:23:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:23:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:23:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:23:19,615 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 17:23:19,704 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:23:19,705 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:23:19,859 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:23:19,865 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:23:19,865 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 17:23:19,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:23:19 BoogieIcfgContainer [2022-12-13 17:23:19,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:23:19,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:23:19,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:23:19,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:23:19,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:23:19" (1/3) ... [2022-12-13 17:23:19,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a564df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:23:19, skipping insertion in model container [2022-12-13 17:23:19,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:23:19" (2/3) ... [2022-12-13 17:23:19,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a564df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:23:19, skipping insertion in model container [2022-12-13 17:23:19,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:23:19" (3/3) ... [2022-12-13 17:23:19,873 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_17-ps_add1_nr.i [2022-12-13 17:23:19,879 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 17:23:19,887 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:23:19,887 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-12-13 17:23:19,888 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 17:23:19,923 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 17:23:19,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 88 places, 88 transitions, 181 flow [2022-12-13 17:23:19,981 INFO L130 PetriNetUnfolder]: 4/87 cut-off events. [2022-12-13 17:23:19,981 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:23:19,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 87 events. 4/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 109 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2022-12-13 17:23:19,984 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 88 transitions, 181 flow [2022-12-13 17:23:19,988 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 87 transitions, 177 flow [2022-12-13 17:23:19,990 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 17:23:19,998 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 87 transitions, 177 flow [2022-12-13 17:23:20,000 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 87 transitions, 177 flow [2022-12-13 17:23:20,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 87 places, 87 transitions, 177 flow [2022-12-13 17:23:20,018 INFO L130 PetriNetUnfolder]: 4/87 cut-off events. [2022-12-13 17:23:20,019 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:23:20,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 87 events. 4/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 109 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2022-12-13 17:23:20,020 INFO L119 LiptonReduction]: Number of co-enabled transitions 1300 [2022-12-13 17:23:21,937 INFO L134 LiptonReduction]: Checked pairs total: 2170 [2022-12-13 17:23:21,937 INFO L136 LiptonReduction]: Total number of compositions: 102 [2022-12-13 17:23:21,951 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:23:21,957 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;@61c165d5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:23:21,958 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-12-13 17:23:21,961 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2022-12-13 17:23:21,961 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:23:21,961 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:23:21,962 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 17:23:21,962 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-12-13 17:23:21,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:23:21,967 INFO L85 PathProgramCache]: Analyzing trace with hash 324752, now seen corresponding path program 1 times [2022-12-13 17:23:21,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:23:21,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766769010] [2022-12-13 17:23:21,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:23:21,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:23:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,149 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 17:23:22,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:23:22,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766769010] [2022-12-13 17:23:22,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766769010] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:23:22,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:23:22,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 17:23:22,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198550115] [2022-12-13 17:23:22,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:23:22,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:23:22,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:23:22,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:23:22,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:23:22,203 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 190 [2022-12-13 17:23:22,205 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 22 transitions, 47 flow. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 17:23:22,205 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:23:22,205 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 190 [2022-12-13 17:23:22,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:23:22,255 INFO L130 PetriNetUnfolder]: 68/139 cut-off events. [2022-12-13 17:23:22,256 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:23:22,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 139 events. 68/139 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 505 event pairs, 54 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 274. Up to 139 conditions per place. [2022-12-13 17:23:22,258 INFO L137 encePairwiseOnDemand]: 186/190 looper letters, 18 selfloop transitions, 1 changer transitions 0/19 dead transitions. [2022-12-13 17:23:22,258 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 19 transitions, 79 flow [2022-12-13 17:23:22,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:23:22,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:23:22,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2022-12-13 17:23:22,269 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.443859649122807 [2022-12-13 17:23:22,270 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 253 transitions. [2022-12-13 17:23:22,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 253 transitions. [2022-12-13 17:23:22,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:23:22,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 253 transitions. [2022-12-13 17:23:22,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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 17:23:22,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 17:23:22,281 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 17:23:22,283 INFO L175 Difference]: Start difference. First operand has 24 places, 22 transitions, 47 flow. Second operand 3 states and 253 transitions. [2022-12-13 17:23:22,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 19 transitions, 79 flow [2022-12-13 17:23:22,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 19 transitions, 78 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 17:23:22,286 INFO L231 Difference]: Finished difference. Result has 22 places, 19 transitions, 42 flow [2022-12-13 17:23:22,287 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=42, PETRI_PLACES=22, PETRI_TRANSITIONS=19} [2022-12-13 17:23:22,290 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, -2 predicate places. [2022-12-13 17:23:22,290 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 19 transitions, 42 flow [2022-12-13 17:23:22,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 17:23:22,290 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:23:22,290 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 17:23:22,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:23:22,291 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-12-13 17:23:22,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:23:22,291 INFO L85 PathProgramCache]: Analyzing trace with hash 324750, now seen corresponding path program 1 times [2022-12-13 17:23:22,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:23:22,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111861682] [2022-12-13 17:23:22,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:23:22,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:23:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,372 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 17:23:22,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:23:22,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111861682] [2022-12-13 17:23:22,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111861682] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:23:22,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:23:22,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 17:23:22,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251728329] [2022-12-13 17:23:22,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:23:22,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:23:22,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:23:22,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:23:22,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:23:22,396 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 190 [2022-12-13 17:23:22,397 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 19 transitions, 42 flow. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 17:23:22,397 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:23:22,397 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 190 [2022-12-13 17:23:22,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:23:22,430 INFO L130 PetriNetUnfolder]: 56/113 cut-off events. [2022-12-13 17:23:22,430 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:23:22,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 113 events. 56/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 365 event pairs, 42 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 226. Up to 113 conditions per place. [2022-12-13 17:23:22,431 INFO L137 encePairwiseOnDemand]: 187/190 looper letters, 16 selfloop transitions, 1 changer transitions 0/17 dead transitions. [2022-12-13 17:23:22,431 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 17 transitions, 72 flow [2022-12-13 17:23:22,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:23:22,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:23:22,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 250 transitions. [2022-12-13 17:23:22,434 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.43859649122807015 [2022-12-13 17:23:22,434 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 250 transitions. [2022-12-13 17:23:22,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 250 transitions. [2022-12-13 17:23:22,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:23:22,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 250 transitions. [2022-12-13 17:23:22,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 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 17:23:22,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 17:23:22,438 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 17:23:22,438 INFO L175 Difference]: Start difference. First operand has 22 places, 19 transitions, 42 flow. Second operand 3 states and 250 transitions. [2022-12-13 17:23:22,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 17 transitions, 72 flow [2022-12-13 17:23:22,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 17 transitions, 71 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 17:23:22,439 INFO L231 Difference]: Finished difference. Result has 21 places, 17 transitions, 39 flow [2022-12-13 17:23:22,439 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=37, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=39, PETRI_PLACES=21, PETRI_TRANSITIONS=17} [2022-12-13 17:23:22,440 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, -3 predicate places. [2022-12-13 17:23:22,440 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 17 transitions, 39 flow [2022-12-13 17:23:22,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 17:23:22,440 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:23:22,440 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 17:23:22,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 17:23:22,441 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-12-13 17:23:22,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:23:22,441 INFO L85 PathProgramCache]: Analyzing trace with hash 10067449, now seen corresponding path program 1 times [2022-12-13 17:23:22,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:23:22,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523826556] [2022-12-13 17:23:22,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:23:22,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:23:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,502 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 17:23:22,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:23:22,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523826556] [2022-12-13 17:23:22,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523826556] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:23:22,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:23:22,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:23:22,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638554302] [2022-12-13 17:23:22,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:23:22,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:23:22,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:23:22,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:23:22,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:23:22,522 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 190 [2022-12-13 17:23:22,523 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 17 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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 17:23:22,523 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:23:22,523 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 190 [2022-12-13 17:23:22,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:23:22,570 INFO L130 PetriNetUnfolder]: 62/126 cut-off events. [2022-12-13 17:23:22,570 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:23:22,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 126 events. 62/126 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 438 event pairs, 42 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 252. Up to 114 conditions per place. [2022-12-13 17:23:22,572 INFO L137 encePairwiseOnDemand]: 187/190 looper letters, 19 selfloop transitions, 2 changer transitions 3/24 dead transitions. [2022-12-13 17:23:22,572 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 24 transitions, 101 flow [2022-12-13 17:23:22,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:23:22,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:23:22,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2022-12-13 17:23:22,574 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.443859649122807 [2022-12-13 17:23:22,574 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 253 transitions. [2022-12-13 17:23:22,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 253 transitions. [2022-12-13 17:23:22,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:23:22,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 253 transitions. [2022-12-13 17:23:22,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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 17:23:22,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 17:23:22,578 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 17:23:22,578 INFO L175 Difference]: Start difference. First operand has 21 places, 17 transitions, 39 flow. Second operand 3 states and 253 transitions. [2022-12-13 17:23:22,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 24 transitions, 101 flow [2022-12-13 17:23:22,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 24 transitions, 100 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 17:23:22,579 INFO L231 Difference]: Finished difference. Result has 23 places, 18 transitions, 50 flow [2022-12-13 17:23:22,579 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=50, PETRI_PLACES=23, PETRI_TRANSITIONS=18} [2022-12-13 17:23:22,580 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, -1 predicate places. [2022-12-13 17:23:22,580 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 18 transitions, 50 flow [2022-12-13 17:23:22,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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 17:23:22,580 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:23:22,580 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 17:23:22,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 17:23:22,581 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-12-13 17:23:22,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:23:22,581 INFO L85 PathProgramCache]: Analyzing trace with hash 10067361, now seen corresponding path program 1 times [2022-12-13 17:23:22,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:23:22,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212146125] [2022-12-13 17:23:22,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:23:22,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:23:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,620 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 17:23:22,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:23:22,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212146125] [2022-12-13 17:23:22,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212146125] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:23:22,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:23:22,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 17:23:22,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137299556] [2022-12-13 17:23:22,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:23:22,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:23:22,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:23:22,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:23:22,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:23:22,628 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 190 [2022-12-13 17:23:22,629 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 18 transitions, 50 flow. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 17:23:22,629 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:23:22,629 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 190 [2022-12-13 17:23:22,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:23:22,670 INFO L130 PetriNetUnfolder]: 49/111 cut-off events. [2022-12-13 17:23:22,671 INFO L131 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2022-12-13 17:23:22,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 111 events. 49/111 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 376 event pairs, 20 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 256. Up to 60 conditions per place. [2022-12-13 17:23:22,672 INFO L137 encePairwiseOnDemand]: 183/190 looper letters, 24 selfloop transitions, 5 changer transitions 3/32 dead transitions. [2022-12-13 17:23:22,672 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 32 transitions, 152 flow [2022-12-13 17:23:22,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:23:22,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:23:22,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2022-12-13 17:23:22,674 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4982456140350877 [2022-12-13 17:23:22,674 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 284 transitions. [2022-12-13 17:23:22,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 284 transitions. [2022-12-13 17:23:22,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:23:22,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 284 transitions. [2022-12-13 17:23:22,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 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 17:23:22,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 17:23:22,677 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 17:23:22,677 INFO L175 Difference]: Start difference. First operand has 23 places, 18 transitions, 50 flow. Second operand 3 states and 284 transitions. [2022-12-13 17:23:22,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 32 transitions, 152 flow [2022-12-13 17:23:22,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 32 transitions, 148 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 17:23:22,679 INFO L231 Difference]: Finished difference. Result has 26 places, 22 transitions, 88 flow [2022-12-13 17:23:22,679 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=26, PETRI_TRANSITIONS=22} [2022-12-13 17:23:22,680 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, 2 predicate places. [2022-12-13 17:23:22,680 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 22 transitions, 88 flow [2022-12-13 17:23:22,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 17:23:22,680 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:23:22,680 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 17:23:22,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 17:23:22,681 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-12-13 17:23:22,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:23:22,681 INFO L85 PathProgramCache]: Analyzing trace with hash 10067360, now seen corresponding path program 1 times [2022-12-13 17:23:22,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:23:22,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549218393] [2022-12-13 17:23:22,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:23:22,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:23:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,717 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 17:23:22,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:23:22,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549218393] [2022-12-13 17:23:22,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549218393] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:23:22,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:23:22,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 17:23:22,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326022506] [2022-12-13 17:23:22,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:23:22,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:23:22,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:23:22,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:23:22,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:23:22,725 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 190 [2022-12-13 17:23:22,725 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 22 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 17:23:22,725 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:23:22,725 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 190 [2022-12-13 17:23:22,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:23:22,760 INFO L130 PetriNetUnfolder]: 40/89 cut-off events. [2022-12-13 17:23:22,760 INFO L131 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2022-12-13 17:23:22,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 89 events. 40/89 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 262 event pairs, 13 based on Foata normal form. 8/85 useless extension candidates. Maximal degree in co-relation 238. Up to 55 conditions per place. [2022-12-13 17:23:22,761 INFO L137 encePairwiseOnDemand]: 183/190 looper letters, 19 selfloop transitions, 5 changer transitions 6/30 dead transitions. [2022-12-13 17:23:22,761 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 30 transitions, 168 flow [2022-12-13 17:23:22,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:23:22,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:23:22,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 282 transitions. [2022-12-13 17:23:22,763 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49473684210526314 [2022-12-13 17:23:22,763 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 282 transitions. [2022-12-13 17:23:22,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 282 transitions. [2022-12-13 17:23:22,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:23:22,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 282 transitions. [2022-12-13 17:23:22,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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 17:23:22,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 17:23:22,765 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 17:23:22,765 INFO L175 Difference]: Start difference. First operand has 26 places, 22 transitions, 88 flow. Second operand 3 states and 282 transitions. [2022-12-13 17:23:22,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 30 transitions, 168 flow [2022-12-13 17:23:22,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 30 transitions, 158 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 17:23:22,767 INFO L231 Difference]: Finished difference. Result has 26 places, 17 transitions, 70 flow [2022-12-13 17:23:22,767 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=26, PETRI_TRANSITIONS=17} [2022-12-13 17:23:22,768 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, 2 predicate places. [2022-12-13 17:23:22,768 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 17 transitions, 70 flow [2022-12-13 17:23:22,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 17:23:22,768 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:23:22,768 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 17:23:22,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 17:23:22,769 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-12-13 17:23:22,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:23:22,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1084806534, now seen corresponding path program 1 times [2022-12-13 17:23:22,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:23:22,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134874312] [2022-12-13 17:23:22,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:23:22,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:23:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,802 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 17:23:22,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:23:22,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134874312] [2022-12-13 17:23:22,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134874312] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:23:22,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:23:22,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:23:22,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933332939] [2022-12-13 17:23:22,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:23:22,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:23:22,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:23:22,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:23:22,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:23:22,822 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 190 [2022-12-13 17:23:22,822 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 17 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 17:23:22,822 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:23:22,822 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 190 [2022-12-13 17:23:22,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:23:22,850 INFO L130 PetriNetUnfolder]: 20/54 cut-off events. [2022-12-13 17:23:22,850 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-12-13 17:23:22,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 54 events. 20/54 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 152 event pairs, 6 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 143. Up to 29 conditions per place. [2022-12-13 17:23:22,850 INFO L137 encePairwiseOnDemand]: 185/190 looper letters, 14 selfloop transitions, 4 changer transitions 5/23 dead transitions. [2022-12-13 17:23:22,851 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 23 transitions, 138 flow [2022-12-13 17:23:22,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:23:22,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:23:22,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 249 transitions. [2022-12-13 17:23:22,852 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4368421052631579 [2022-12-13 17:23:22,852 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 249 transitions. [2022-12-13 17:23:22,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 249 transitions. [2022-12-13 17:23:22,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:23:22,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 249 transitions. [2022-12-13 17:23:22,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 17:23:22,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 17:23:22,854 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 17:23:22,854 INFO L175 Difference]: Start difference. First operand has 26 places, 17 transitions, 70 flow. Second operand 3 states and 249 transitions. [2022-12-13 17:23:22,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 23 transitions, 138 flow [2022-12-13 17:23:22,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 23 transitions, 136 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 17:23:22,855 INFO L231 Difference]: Finished difference. Result has 25 places, 14 transitions, 64 flow [2022-12-13 17:23:22,856 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=25, PETRI_TRANSITIONS=14} [2022-12-13 17:23:22,856 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, 1 predicate places. [2022-12-13 17:23:22,856 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 14 transitions, 64 flow [2022-12-13 17:23:22,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 17:23:22,857 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:23:22,857 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:23:22,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 17:23:22,857 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-12-13 17:23:22,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:23:22,858 INFO L85 PathProgramCache]: Analyzing trace with hash -732930635, now seen corresponding path program 1 times [2022-12-13 17:23:22,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:23:22,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417374062] [2022-12-13 17:23:22,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:23:22,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:23:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:22,907 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 17:23:22,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:23:22,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417374062] [2022-12-13 17:23:22,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417374062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:23:22,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:23:22,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:23:22,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563147394] [2022-12-13 17:23:22,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:23:22,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:23:22,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:23:22,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:23:22,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:23:22,921 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 190 [2022-12-13 17:23:22,922 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 14 transitions, 64 flow. Second operand has 5 states, 5 states have (on average 80.4) internal successors, (402), 5 states have internal predecessors, (402), 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 17:23:22,922 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:23:22,922 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 190 [2022-12-13 17:23:22,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:23:22,962 INFO L130 PetriNetUnfolder]: 14/44 cut-off events. [2022-12-13 17:23:22,962 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-12-13 17:23:22,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 44 events. 14/44 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 117 event pairs, 4 based on Foata normal form. 2/46 useless extension candidates. Maximal degree in co-relation 121. Up to 13 conditions per place. [2022-12-13 17:23:22,963 INFO L137 encePairwiseOnDemand]: 183/190 looper letters, 12 selfloop transitions, 6 changer transitions 5/23 dead transitions. [2022-12-13 17:23:22,963 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 23 transitions, 132 flow [2022-12-13 17:23:22,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:23:22,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 17:23:22,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 498 transitions. [2022-12-13 17:23:22,965 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4368421052631579 [2022-12-13 17:23:22,965 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 498 transitions. [2022-12-13 17:23:22,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 498 transitions. [2022-12-13 17:23:22,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:23:22,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 498 transitions. [2022-12-13 17:23:22,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 83.0) internal successors, (498), 6 states have internal predecessors, (498), 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 17:23:22,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 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 17:23:22,967 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 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 17:23:22,967 INFO L175 Difference]: Start difference. First operand has 25 places, 14 transitions, 64 flow. Second operand 6 states and 498 transitions. [2022-12-13 17:23:22,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 23 transitions, 132 flow [2022-12-13 17:23:22,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 23 transitions, 120 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 17:23:22,968 INFO L231 Difference]: Finished difference. Result has 27 places, 13 transitions, 62 flow [2022-12-13 17:23:22,969 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=62, PETRI_PLACES=27, PETRI_TRANSITIONS=13} [2022-12-13 17:23:22,969 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, 3 predicate places. [2022-12-13 17:23:22,969 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 13 transitions, 62 flow [2022-12-13 17:23:22,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 80.4) internal successors, (402), 5 states have internal predecessors, (402), 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 17:23:22,970 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:23:22,970 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:23:22,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 17:23:22,970 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-12-13 17:23:22,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:23:22,970 INFO L85 PathProgramCache]: Analyzing trace with hash -732930634, now seen corresponding path program 1 times [2022-12-13 17:23:22,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:23:22,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297859356] [2022-12-13 17:23:22,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:23:22,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:23:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:23,013 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 17:23:23,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:23:23,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297859356] [2022-12-13 17:23:23,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297859356] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:23:23,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:23:23,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:23:23,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048700674] [2022-12-13 17:23:23,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:23:23,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:23:23,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:23:23,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:23:23,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:23:23,026 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 190 [2022-12-13 17:23:23,026 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 13 transitions, 62 flow. Second operand has 5 states, 5 states have (on average 80.4) internal successors, (402), 5 states have internal predecessors, (402), 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 17:23:23,027 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:23:23,027 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 190 [2022-12-13 17:23:23,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:23:23,074 INFO L130 PetriNetUnfolder]: 12/36 cut-off events. [2022-12-13 17:23:23,074 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-12-13 17:23:23,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 36 events. 12/36 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 78 event pairs, 3 based on Foata normal form. 2/38 useless extension candidates. Maximal degree in co-relation 98. Up to 10 conditions per place. [2022-12-13 17:23:23,075 INFO L137 encePairwiseOnDemand]: 184/190 looper letters, 8 selfloop transitions, 3 changer transitions 7/18 dead transitions. [2022-12-13 17:23:23,075 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 18 transitions, 104 flow [2022-12-13 17:23:23,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:23:23,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 17:23:23,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 493 transitions. [2022-12-13 17:23:23,077 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4324561403508772 [2022-12-13 17:23:23,077 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 493 transitions. [2022-12-13 17:23:23,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 493 transitions. [2022-12-13 17:23:23,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:23:23,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 493 transitions. [2022-12-13 17:23:23,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 82.16666666666667) internal successors, (493), 6 states have internal predecessors, (493), 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 17:23:23,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 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 17:23:23,079 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 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 17:23:23,079 INFO L175 Difference]: Start difference. First operand has 27 places, 13 transitions, 62 flow. Second operand 6 states and 493 transitions. [2022-12-13 17:23:23,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 18 transitions, 104 flow [2022-12-13 17:23:23,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 18 transitions, 93 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 17:23:23,080 INFO L231 Difference]: Finished difference. Result has 27 places, 9 transitions, 41 flow [2022-12-13 17:23:23,080 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=45, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=41, PETRI_PLACES=27, PETRI_TRANSITIONS=9} [2022-12-13 17:23:23,081 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, 3 predicate places. [2022-12-13 17:23:23,081 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 9 transitions, 41 flow [2022-12-13 17:23:23,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 80.4) internal successors, (402), 5 states have internal predecessors, (402), 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 17:23:23,081 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:23:23,081 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:23:23,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 17:23:23,081 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-12-13 17:23:23,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:23:23,081 INFO L85 PathProgramCache]: Analyzing trace with hash -733012529, now seen corresponding path program 1 times [2022-12-13 17:23:23,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:23:23,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443651033] [2022-12-13 17:23:23,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:23:23,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:23:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:23,114 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 17:23:23,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:23:23,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443651033] [2022-12-13 17:23:23,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443651033] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:23:23,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:23:23,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:23:23,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608719275] [2022-12-13 17:23:23,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:23:23,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:23:23,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:23:23,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:23:23,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:23:23,133 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 190 [2022-12-13 17:23:23,133 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 9 transitions, 41 flow. Second operand has 5 states, 5 states have (on average 81.4) internal successors, (407), 5 states have internal predecessors, (407), 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 17:23:23,133 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:23:23,133 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 190 [2022-12-13 17:23:23,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:23:23,162 INFO L130 PetriNetUnfolder]: 5/18 cut-off events. [2022-12-13 17:23:23,162 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-12-13 17:23:23,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 18 events. 5/18 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 16 event pairs, 1 based on Foata normal form. 2/20 useless extension candidates. Maximal degree in co-relation 44. Up to 8 conditions per place. [2022-12-13 17:23:23,163 INFO L137 encePairwiseOnDemand]: 184/190 looper letters, 6 selfloop transitions, 7 changer transitions 0/13 dead transitions. [2022-12-13 17:23:23,163 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 13 transitions, 72 flow [2022-12-13 17:23:23,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:23:23,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 17:23:23,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 495 transitions. [2022-12-13 17:23:23,165 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4342105263157895 [2022-12-13 17:23:23,165 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 495 transitions. [2022-12-13 17:23:23,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 495 transitions. [2022-12-13 17:23:23,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:23:23,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 495 transitions. [2022-12-13 17:23:23,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 82.5) internal successors, (495), 6 states have internal predecessors, (495), 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 17:23:23,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 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 17:23:23,167 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 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 17:23:23,167 INFO L175 Difference]: Start difference. First operand has 27 places, 9 transitions, 41 flow. Second operand 6 states and 495 transitions. [2022-12-13 17:23:23,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 13 transitions, 72 flow [2022-12-13 17:23:23,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 13 transitions, 60 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 17:23:23,168 INFO L231 Difference]: Finished difference. Result has 19 places, 10 transitions, 42 flow [2022-12-13 17:23:23,168 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=23, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=8, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=42, PETRI_PLACES=19, PETRI_TRANSITIONS=10} [2022-12-13 17:23:23,168 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, -5 predicate places. [2022-12-13 17:23:23,169 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 10 transitions, 42 flow [2022-12-13 17:23:23,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 81.4) internal successors, (407), 5 states have internal predecessors, (407), 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 17:23:23,169 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:23:23,169 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:23:23,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 17:23:23,169 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-12-13 17:23:23,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:23:23,169 INFO L85 PathProgramCache]: Analyzing trace with hash -733012530, now seen corresponding path program 1 times [2022-12-13 17:23:23,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:23:23,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407738901] [2022-12-13 17:23:23,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:23:23,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:23:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:23:23,201 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 17:23:23,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:23:23,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407738901] [2022-12-13 17:23:23,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407738901] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:23:23,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:23:23,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:23:23,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374132789] [2022-12-13 17:23:23,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:23:23,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:23:23,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:23:23,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:23:23,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:23:23,220 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 190 [2022-12-13 17:23:23,221 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 10 transitions, 42 flow. Second operand has 5 states, 5 states have (on average 81.4) internal successors, (407), 5 states have internal predecessors, (407), 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 17:23:23,221 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:23:23,221 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 190 [2022-12-13 17:23:23,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:23:23,246 INFO L130 PetriNetUnfolder]: 4/15 cut-off events. [2022-12-13 17:23:23,247 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 17:23:23,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 15 events. 4/15 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 12 event pairs, 1 based on Foata normal form. 2/17 useless extension candidates. Maximal degree in co-relation 38. Up to 6 conditions per place. [2022-12-13 17:23:23,247 INFO L137 encePairwiseOnDemand]: 185/190 looper letters, 0 selfloop transitions, 0 changer transitions 10/10 dead transitions. [2022-12-13 17:23:23,247 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 10 transitions, 54 flow [2022-12-13 17:23:23,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:23:23,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 17:23:23,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 492 transitions. [2022-12-13 17:23:23,250 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.43157894736842106 [2022-12-13 17:23:23,250 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 492 transitions. [2022-12-13 17:23:23,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 492 transitions. [2022-12-13 17:23:23,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:23:23,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 492 transitions. [2022-12-13 17:23:23,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 82.0) internal successors, (492), 6 states have internal predecessors, (492), 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 17:23:23,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 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 17:23:23,253 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 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 17:23:23,253 INFO L175 Difference]: Start difference. First operand has 19 places, 10 transitions, 42 flow. Second operand 6 states and 492 transitions. [2022-12-13 17:23:23,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 10 transitions, 54 flow [2022-12-13 17:23:23,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 10 transitions, 45 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 17:23:23,254 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2022-12-13 17:23:23,254 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=19, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=7, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2022-12-13 17:23:23,254 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, -6 predicate places. [2022-12-13 17:23:23,254 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 0 transitions, 0 flow [2022-12-13 17:23:23,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 81.4) internal successors, (407), 5 states have internal predecessors, (407), 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 17:23:23,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 13 remaining) [2022-12-13 17:23:23,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 13 remaining) [2022-12-13 17:23:23,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 13 remaining) [2022-12-13 17:23:23,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 13 remaining) [2022-12-13 17:23:23,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 13 remaining) [2022-12-13 17:23:23,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 13 remaining) [2022-12-13 17:23:23,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 13 remaining) [2022-12-13 17:23:23,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 13 remaining) [2022-12-13 17:23:23,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 13 remaining) [2022-12-13 17:23:23,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 13 remaining) [2022-12-13 17:23:23,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 13 remaining) [2022-12-13 17:23:23,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 13 remaining) [2022-12-13 17:23:23,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 13 remaining) [2022-12-13 17:23:23,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 17:23:23,258 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:23:23,261 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 17:23:23,261 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:23:23,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:23:23 BasicIcfg [2022-12-13 17:23:23,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:23:23,264 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:23:23,264 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:23:23,264 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:23:23,264 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:23:19" (3/4) ... [2022-12-13 17:23:23,266 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 17:23:23,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-13 17:23:23,273 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-13 17:23:23,273 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 17:23:23,273 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 17:23:23,294 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_365efb8b-01bc-4503-876d-be18d601eb74/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 17:23:23,294 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:23:23,294 INFO L158 Benchmark]: Toolchain (without parser) took 4199.08ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 91.1MB in the beginning and 91.6MB in the end (delta: -494.4kB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-13 17:23:23,294 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 127.9MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:23:23,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.97ms. Allocated memory is still 127.9MB. Free memory was 90.6MB in the beginning and 63.4MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-13 17:23:23,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.88ms. Allocated memory is still 127.9MB. Free memory was 63.4MB in the beginning and 61.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:23:23,295 INFO L158 Benchmark]: Boogie Preprocessor took 17.36ms. Allocated memory is still 127.9MB. Free memory was 61.3MB in the beginning and 59.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:23:23,295 INFO L158 Benchmark]: RCFGBuilder took 314.27ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 59.7MB in the beginning and 132.5MB in the end (delta: -72.8MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2022-12-13 17:23:23,295 INFO L158 Benchmark]: TraceAbstraction took 3395.41ms. Allocated memory is still 163.6MB. Free memory was 131.7MB in the beginning and 94.7MB in the end (delta: 36.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-13 17:23:23,296 INFO L158 Benchmark]: Witness Printer took 30.01ms. Allocated memory is still 163.6MB. Free memory was 94.7MB in the beginning and 91.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 17:23:23,297 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 127.9MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.97ms. Allocated memory is still 127.9MB. Free memory was 90.6MB in the beginning and 63.4MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.88ms. Allocated memory is still 127.9MB. Free memory was 63.4MB in the beginning and 61.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.36ms. Allocated memory is still 127.9MB. Free memory was 61.3MB in the beginning and 59.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.27ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 59.7MB in the beginning and 132.5MB in the end (delta: -72.8MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3395.41ms. Allocated memory is still 163.6MB. Free memory was 131.7MB in the beginning and 94.7MB in the end (delta: 36.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 30.01ms. Allocated memory is still 163.6MB. Free memory was 94.7MB in the beginning and 91.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 87 PlacesBefore, 24 PlacesAfterwards, 87 TransitionsBefore, 22 TransitionsAfterwards, 1300 CoEnabledTransitionPairs, 5 FixpointIterations, 22 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 102 TotalNumberOfCompositions, 2170 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1414, independent: 1340, independent conditional: 0, independent unconditional: 1340, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 799, independent: 772, independent conditional: 0, independent unconditional: 772, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1414, independent: 568, independent conditional: 0, independent unconditional: 568, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 799, unknown conditional: 0, unknown unconditional: 799] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 947]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 947]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 948]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 948]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 949]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 949]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 951]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 951]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 932]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 932]: 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 3 procedures, 100 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.3s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 369 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 212 mSDsluCounter, 55 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 496 IncrementalHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 19 mSDtfsCounter, 496 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=4, InterpolantAutomatonStates: 42, 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, 0.4s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 17:23:23,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_365efb8b-01bc-4503-876d-be18d601eb74/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