./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 38b53e6a 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_b7214777-8c31-48e3-9971-5cf0d5d00b5a/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7214777-8c31-48e3-9971-5cf0d5d00b5a/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7214777-8c31-48e3-9971-5cf0d5d00b5a/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7214777-8c31-48e3-9971-5cf0d5d00b5a/bin/uautomizer-ZsLfNo2U6R/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_b7214777-8c31-48e3-9971-5cf0d5d00b5a/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7214777-8c31-48e3-9971-5cf0d5d00b5a/bin/uautomizer-ZsLfNo2U6R --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-38b53e6 [2022-11-25 15:52:06,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:52:06,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:52:06,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:52:06,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:52:06,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:52:06,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:52:06,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:52:06,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:52:06,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:52:06,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:52:06,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:52:06,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:52:06,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:52:06,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:52:06,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:52:06,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:52:06,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:52:06,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:52:06,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:52:06,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:52:06,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:52:06,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:52:06,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:52:06,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:52:06,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:52:06,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:52:06,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:52:06,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:52:06,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:52:06,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:52:06,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:52:06,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:52:06,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:52:06,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:52:06,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:52:06,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:52:06,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:52:06,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:52:06,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:52:06,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:52:06,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7214777-8c31-48e3-9971-5cf0d5d00b5a/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-25 15:52:07,005 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:52:07,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:52:07,006 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:52:07,006 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:52:07,007 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:52:07,007 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:52:07,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:52:07,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:52:07,008 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:52:07,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:52:07,009 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:52:07,009 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:52:07,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:52:07,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:52:07,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:52:07,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:52:07,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:52:07,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:52:07,010 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 15:52:07,010 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:52:07,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:52:07,011 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:52:07,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:52:07,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:52:07,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:52:07,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:52:07,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:52:07,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:52:07,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:52:07,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:52:07,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:52:07,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:52:07,013 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:52:07,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:52:07,013 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:52:07,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:52:07,013 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_b7214777-8c31-48e3-9971-5cf0d5d00b5a/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7214777-8c31-48e3-9971-5cf0d5d00b5a/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 013bb91f520a17a9cdc0cfee70ba812e0f5d104f38897431df1c1d9fa0ad9ebb [2022-11-25 15:52:07,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:52:07,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:52:07,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:52:07,366 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:52:07,367 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:52:07,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7214777-8c31-48e3-9971-5cf0d5d00b5a/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i [2022-11-25 15:52:10,675 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:52:10,994 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:52:10,994 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7214777-8c31-48e3-9971-5cf0d5d00b5a/sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i [2022-11-25 15:52:11,016 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7214777-8c31-48e3-9971-5cf0d5d00b5a/bin/uautomizer-ZsLfNo2U6R/data/64332baa7/3ebdd7696b9c485ba86a8edbd7fb4fcf/FLAGb48715e67 [2022-11-25 15:52:11,035 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7214777-8c31-48e3-9971-5cf0d5d00b5a/bin/uautomizer-ZsLfNo2U6R/data/64332baa7/3ebdd7696b9c485ba86a8edbd7fb4fcf [2022-11-25 15:52:11,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:52:11,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:52:11,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:52:11,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:52:11,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:52:11,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:52:11" (1/1) ... [2022-11-25 15:52:11,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680946d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:11, skipping insertion in model container [2022-11-25 15:52:11,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:52:11" (1/1) ... [2022-11-25 15:52:11,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:52:11,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:52:11,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:52:11,834 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:52:11,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:52:11,976 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:52:11,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:11 WrapperNode [2022-11-25 15:52:11,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:52:11,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:52:11,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:52:11,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:52:11,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:11" (1/1) ... [2022-11-25 15:52:12,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:11" (1/1) ... [2022-11-25 15:52:12,048 INFO L138 Inliner]: procedures = 266, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2022-11-25 15:52:12,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:52:12,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:52:12,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:52:12,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:52:12,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:11" (1/1) ... [2022-11-25 15:52:12,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:11" (1/1) ... [2022-11-25 15:52:12,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:11" (1/1) ... [2022-11-25 15:52:12,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:11" (1/1) ... [2022-11-25 15:52:12,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:11" (1/1) ... [2022-11-25 15:52:12,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:11" (1/1) ... [2022-11-25 15:52:12,081 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:11" (1/1) ... [2022-11-25 15:52:12,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:11" (1/1) ... [2022-11-25 15:52:12,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:52:12,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:52:12,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:52:12,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:52:12,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:11" (1/1) ... [2022-11-25 15:52:12,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:52:12,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7214777-8c31-48e3-9971-5cf0d5d00b5a/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:52:12,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7214777-8c31-48e3-9971-5cf0d5d00b5a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:52:12,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7214777-8c31-48e3-9971-5cf0d5d00b5a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:52:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 15:52:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 15:52:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 15:52:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 15:52:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:52:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-25 15:52:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-25 15:52:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:52:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:52:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:52:12,200 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 15:52:12,334 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:52:12,337 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:52:12,556 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:52:12,564 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:52:12,564 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:52:12,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:52:12 BoogieIcfgContainer [2022-11-25 15:52:12,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:52:12,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:52:12,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:52:12,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:52:12,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:52:11" (1/3) ... [2022-11-25 15:52:12,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514d2943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:52:12, skipping insertion in model container [2022-11-25 15:52:12,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:11" (2/3) ... [2022-11-25 15:52:12,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514d2943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:52:12, skipping insertion in model container [2022-11-25 15:52:12,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:52:12" (3/3) ... [2022-11-25 15:52:12,593 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_17-ps_add1_nr.i [2022-11-25 15:52:12,602 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 15:52:12,614 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:52:12,627 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-25 15:52:12,627 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 15:52:12,726 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 15:52:12,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 88 places, 88 transitions, 181 flow [2022-11-25 15:52:12,806 INFO L130 PetriNetUnfolder]: 4/87 cut-off events. [2022-11-25 15:52:12,807 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 15:52:12,811 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. [2022-11-25 15:52:12,812 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 88 transitions, 181 flow [2022-11-25 15:52:12,816 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 87 transitions, 177 flow [2022-11-25 15:52:12,820 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 15:52:12,835 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 87 transitions, 177 flow [2022-11-25 15:52:12,838 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 87 transitions, 177 flow [2022-11-25 15:52:12,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 87 places, 87 transitions, 177 flow [2022-11-25 15:52:12,866 INFO L130 PetriNetUnfolder]: 4/87 cut-off events. [2022-11-25 15:52:12,866 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 15:52:12,867 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. [2022-11-25 15:52:12,869 INFO L119 LiptonReduction]: Number of co-enabled transitions 1300 [2022-11-25 15:52:16,699 INFO L134 LiptonReduction]: Checked pairs total: 2159 [2022-11-25 15:52:16,699 INFO L136 LiptonReduction]: Total number of compositions: 101 [2022-11-25 15:52:16,718 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:52:16,725 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;@53d8eb1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:52:16,725 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-11-25 15:52:16,729 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2022-11-25 15:52:16,729 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 15:52:16,730 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:52:16,730 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-11-25 15:52:16,731 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)] === [2022-11-25 15:52:16,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:52:16,736 INFO L85 PathProgramCache]: Analyzing trace with hash 327628, now seen corresponding path program 1 times [2022-11-25 15:52:16,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:52:16,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87735044] [2022-11-25 15:52:16,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:16,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:52:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:17,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:52:17,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:52:17,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87735044] [2022-11-25 15:52:17,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87735044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:52:17,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:52:17,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 15:52:17,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824063280] [2022-11-25 15:52:17,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:52:17,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:52:17,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:52:17,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:52:17,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:52:17,151 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 189 [2022-11-25 15:52:17,154 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) [2022-11-25 15:52:17,154 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:52:17,154 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 189 [2022-11-25 15:52:17,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:52:17,260 INFO L130 PetriNetUnfolder]: 68/139 cut-off events. [2022-11-25 15:52:17,262 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 15:52:17,264 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 22. Compared 501 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. [2022-11-25 15:52:17,267 INFO L137 encePairwiseOnDemand]: 185/189 looper letters, 18 selfloop transitions, 1 changer transitions 0/19 dead transitions. [2022-11-25 15:52:17,268 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 19 transitions, 79 flow [2022-11-25 15:52:17,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:52:17,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 15:52:17,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2022-11-25 15:52:17,290 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4462081128747795 [2022-11-25 15:52:17,291 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 253 transitions. [2022-11-25 15:52:17,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 253 transitions. [2022-11-25 15:52:17,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:52:17,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 253 transitions. [2022-11-25 15:52:17,302 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) [2022-11-25 15:52:17,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:17,309 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:17,312 INFO L175 Difference]: Start difference. First operand has 24 places, 22 transitions, 47 flow. Second operand 3 states and 253 transitions. [2022-11-25 15:52:17,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 19 transitions, 79 flow [2022-11-25 15:52:17,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 19 transitions, 78 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 15:52:17,317 INFO L231 Difference]: Finished difference. Result has 22 places, 19 transitions, 42 flow [2022-11-25 15:52:17,319 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, 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} [2022-11-25 15:52:17,325 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, -2 predicate places. [2022-11-25 15:52:17,325 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 19 transitions, 42 flow [2022-11-25 15:52:17,326 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) [2022-11-25 15:52:17,326 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:52:17,326 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-11-25 15:52:17,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:52:17,327 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)] === [2022-11-25 15:52:17,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:52:17,329 INFO L85 PathProgramCache]: Analyzing trace with hash 327627, now seen corresponding path program 1 times [2022-11-25 15:52:17,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:52:17,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935006013] [2022-11-25 15:52:17,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:17,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:52:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:17,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:52:17,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:52:17,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935006013] [2022-11-25 15:52:17,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935006013] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:52:17,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:52:17,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 15:52:17,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219536355] [2022-11-25 15:52:17,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:52:17,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:52:17,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:52:17,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:52:17,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:52:17,469 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 189 [2022-11-25 15:52:17,470 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) [2022-11-25 15:52:17,470 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:52:17,470 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 189 [2022-11-25 15:52:17,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:52:17,518 INFO L130 PetriNetUnfolder]: 56/113 cut-off events. [2022-11-25 15:52:17,518 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 15:52:17,519 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 18. Compared 368 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. [2022-11-25 15:52:17,520 INFO L137 encePairwiseOnDemand]: 186/189 looper letters, 16 selfloop transitions, 1 changer transitions 0/17 dead transitions. [2022-11-25 15:52:17,520 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 17 transitions, 72 flow [2022-11-25 15:52:17,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:52:17,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 15:52:17,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 250 transitions. [2022-11-25 15:52:17,522 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4409171075837742 [2022-11-25 15:52:17,523 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 250 transitions. [2022-11-25 15:52:17,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 250 transitions. [2022-11-25 15:52:17,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:52:17,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 250 transitions. [2022-11-25 15:52:17,524 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) [2022-11-25 15:52:17,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:17,527 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:17,527 INFO L175 Difference]: Start difference. First operand has 22 places, 19 transitions, 42 flow. Second operand 3 states and 250 transitions. [2022-11-25 15:52:17,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 17 transitions, 72 flow [2022-11-25 15:52:17,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 17 transitions, 71 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 15:52:17,528 INFO L231 Difference]: Finished difference. Result has 21 places, 17 transitions, 39 flow [2022-11-25 15:52:17,529 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, 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} [2022-11-25 15:52:17,529 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, -3 predicate places. [2022-11-25 15:52:17,530 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 17 transitions, 39 flow [2022-11-25 15:52:17,530 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) [2022-11-25 15:52:17,530 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:52:17,530 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-11-25 15:52:17,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 15:52:17,531 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-25 15:52:17,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:52:17,532 INFO L85 PathProgramCache]: Analyzing trace with hash 327630, now seen corresponding path program 1 times [2022-11-25 15:52:17,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:52:17,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690658486] [2022-11-25 15:52:17,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:17,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:52:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:52:17,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:52:17,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690658486] [2022-11-25 15:52:17,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690658486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:52:17,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:52:17,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 15:52:17,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448126622] [2022-11-25 15:52:17,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:52:17,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:52:17,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:52:17,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:52:17,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:52:17,611 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 189 [2022-11-25 15:52:17,612 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 17 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:17,612 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:52:17,612 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 189 [2022-11-25 15:52:17,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:52:17,690 INFO L130 PetriNetUnfolder]: 42/92 cut-off events. [2022-11-25 15:52:17,690 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 15:52:17,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 92 events. 42/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 284 event pairs, 16 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 184. Up to 61 conditions per place. [2022-11-25 15:52:17,692 INFO L137 encePairwiseOnDemand]: 182/189 looper letters, 21 selfloop transitions, 3 changer transitions 3/27 dead transitions. [2022-11-25 15:52:17,692 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 27 transitions, 113 flow [2022-11-25 15:52:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:52:17,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 15:52:17,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 283 transitions. [2022-11-25 15:52:17,694 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4991181657848324 [2022-11-25 15:52:17,694 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 283 transitions. [2022-11-25 15:52:17,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 283 transitions. [2022-11-25 15:52:17,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:52:17,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 283 transitions. [2022-11-25 15:52:17,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:17,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:17,699 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:17,699 INFO L175 Difference]: Start difference. First operand has 21 places, 17 transitions, 39 flow. Second operand 3 states and 283 transitions. [2022-11-25 15:52:17,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 27 transitions, 113 flow [2022-11-25 15:52:17,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 27 transitions, 112 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 15:52:17,701 INFO L231 Difference]: Finished difference. Result has 23 places, 18 transitions, 61 flow [2022-11-25 15:52:17,701 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, 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=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=61, PETRI_PLACES=23, PETRI_TRANSITIONS=18} [2022-11-25 15:52:17,702 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, -1 predicate places. [2022-11-25 15:52:17,702 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 18 transitions, 61 flow [2022-11-25 15:52:17,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:17,703 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:52:17,703 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-11-25 15:52:17,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 15:52:17,704 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-25 15:52:17,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:52:17,704 INFO L85 PathProgramCache]: Analyzing trace with hash 10156789, now seen corresponding path program 1 times [2022-11-25 15:52:17,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:52:17,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567747839] [2022-11-25 15:52:17,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:17,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:52:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:17,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:52:17,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:52:17,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567747839] [2022-11-25 15:52:17,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567747839] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:52:17,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:52:17,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:52:17,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114059572] [2022-11-25 15:52:17,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:52:17,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:52:17,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:52:17,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:52:17,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:52:17,772 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 189 [2022-11-25 15:52:17,773 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 18 transitions, 61 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) [2022-11-25 15:52:17,773 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:52:17,773 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 189 [2022-11-25 15:52:17,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:52:17,831 INFO L130 PetriNetUnfolder]: 35/84 cut-off events. [2022-11-25 15:52:17,831 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-25 15:52:17,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 84 events. 35/84 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 275 event pairs, 26 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 199. Up to 76 conditions per place. [2022-11-25 15:52:17,837 INFO L137 encePairwiseOnDemand]: 186/189 looper letters, 17 selfloop transitions, 0 changer transitions 6/23 dead transitions. [2022-11-25 15:52:17,837 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 23 transitions, 120 flow [2022-11-25 15:52:17,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:52:17,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 15:52:17,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 250 transitions. [2022-11-25 15:52:17,843 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4409171075837742 [2022-11-25 15:52:17,843 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 250 transitions. [2022-11-25 15:52:17,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 250 transitions. [2022-11-25 15:52:17,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:52:17,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 250 transitions. [2022-11-25 15:52:17,845 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) [2022-11-25 15:52:17,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:17,848 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:17,854 INFO L175 Difference]: Start difference. First operand has 23 places, 18 transitions, 61 flow. Second operand 3 states and 250 transitions. [2022-11-25 15:52:17,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 23 transitions, 120 flow [2022-11-25 15:52:17,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 23 transitions, 116 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 15:52:17,856 INFO L231 Difference]: Finished difference. Result has 25 places, 17 transitions, 60 flow [2022-11-25 15:52:17,856 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=25, PETRI_TRANSITIONS=17} [2022-11-25 15:52:17,858 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, 1 predicate places. [2022-11-25 15:52:17,858 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 17 transitions, 60 flow [2022-11-25 15:52:17,858 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) [2022-11-25 15:52:17,858 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:52:17,859 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 15:52:17,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 15:52:17,859 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-25 15:52:17,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:52:17,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1170274307, now seen corresponding path program 1 times [2022-11-25 15:52:17,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:52:17,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856473812] [2022-11-25 15:52:17,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:17,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:52:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:17,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:52:17,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:52:17,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856473812] [2022-11-25 15:52:17,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856473812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:52:17,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:52:17,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:52:17,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041786015] [2022-11-25 15:52:17,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:52:17,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:52:17,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:52:17,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:52:17,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:52:17,999 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 189 [2022-11-25 15:52:17,999 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 17 transitions, 60 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) [2022-11-25 15:52:18,000 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:52:18,000 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 189 [2022-11-25 15:52:18,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:52:18,075 INFO L130 PetriNetUnfolder]: 20/54 cut-off events. [2022-11-25 15:52:18,075 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-25 15:52:18,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 54 events. 20/54 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 158 event pairs, 6 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 138. Up to 29 conditions per place. [2022-11-25 15:52:18,076 INFO L137 encePairwiseOnDemand]: 184/189 looper letters, 14 selfloop transitions, 4 changer transitions 5/23 dead transitions. [2022-11-25 15:52:18,076 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 23 transitions, 124 flow [2022-11-25 15:52:18,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:52:18,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 15:52:18,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 249 transitions. [2022-11-25 15:52:18,078 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.43915343915343913 [2022-11-25 15:52:18,078 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 249 transitions. [2022-11-25 15:52:18,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 249 transitions. [2022-11-25 15:52:18,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:52:18,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 249 transitions. [2022-11-25 15:52:18,079 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) [2022-11-25 15:52:18,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:18,081 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:18,081 INFO L175 Difference]: Start difference. First operand has 25 places, 17 transitions, 60 flow. Second operand 3 states and 249 transitions. [2022-11-25 15:52:18,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 23 transitions, 124 flow [2022-11-25 15:52:18,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 23 transitions, 122 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-11-25 15:52:18,083 INFO L231 Difference]: Finished difference. Result has 24 places, 14 transitions, 54 flow [2022-11-25 15:52:18,083 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=22, 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=54, PETRI_PLACES=24, PETRI_TRANSITIONS=14} [2022-11-25 15:52:18,084 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, 0 predicate places. [2022-11-25 15:52:18,084 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 14 transitions, 54 flow [2022-11-25 15:52:18,084 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) [2022-11-25 15:52:18,084 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:52:18,084 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 15:52:18,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 15:52:18,085 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-25 15:52:18,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:52:18,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1168765083, now seen corresponding path program 1 times [2022-11-25 15:52:18,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:52:18,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53700431] [2022-11-25 15:52:18,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:18,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:52:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:18,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:52:18,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:52:18,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53700431] [2022-11-25 15:52:18,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53700431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:52:18,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:52:18,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:52:18,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535974105] [2022-11-25 15:52:18,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:52:18,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:52:18,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:52:18,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:52:18,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:52:18,166 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 189 [2022-11-25 15:52:18,167 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 14 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:18,167 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:52:18,167 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 189 [2022-11-25 15:52:18,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:52:18,217 INFO L130 PetriNetUnfolder]: 14/47 cut-off events. [2022-11-25 15:52:18,217 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-11-25 15:52:18,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 47 events. 14/47 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 151 event pairs, 2 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 127. Up to 27 conditions per place. [2022-11-25 15:52:18,218 INFO L137 encePairwiseOnDemand]: 185/189 looper letters, 17 selfloop transitions, 4 changer transitions 1/22 dead transitions. [2022-11-25 15:52:18,218 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 22 transitions, 128 flow [2022-11-25 15:52:18,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:52:18,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 15:52:18,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 269 transitions. [2022-11-25 15:52:18,220 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.47442680776014107 [2022-11-25 15:52:18,221 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 269 transitions. [2022-11-25 15:52:18,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 269 transitions. [2022-11-25 15:52:18,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:52:18,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 269 transitions. [2022-11-25 15:52:18,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:18,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:18,224 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:18,225 INFO L175 Difference]: Start difference. First operand has 24 places, 14 transitions, 54 flow. Second operand 3 states and 269 transitions. [2022-11-25 15:52:18,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 22 transitions, 128 flow [2022-11-25 15:52:18,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 22 transitions, 114 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-25 15:52:18,227 INFO L231 Difference]: Finished difference. Result has 25 places, 15 transitions, 62 flow [2022-11-25 15:52:18,227 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=25, PETRI_TRANSITIONS=15} [2022-11-25 15:52:18,230 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, 1 predicate places. [2022-11-25 15:52:18,230 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 15 transitions, 62 flow [2022-11-25 15:52:18,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:18,232 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:52:18,232 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:52:18,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 15:52:18,232 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-25 15:52:18,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:52:18,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1918765670, now seen corresponding path program 1 times [2022-11-25 15:52:18,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:52:18,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861696223] [2022-11-25 15:52:18,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:18,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:52:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:18,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:52:18,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:52:18,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861696223] [2022-11-25 15:52:18,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861696223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:52:18,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:52:18,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:52:18,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337367936] [2022-11-25 15:52:18,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:52:18,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 15:52:18,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:52:18,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 15:52:18,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:52:18,331 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 189 [2022-11-25 15:52:18,332 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 15 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) [2022-11-25 15:52:18,332 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:52:18,332 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 189 [2022-11-25 15:52:18,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:52:18,406 INFO L130 PetriNetUnfolder]: 12/44 cut-off events. [2022-11-25 15:52:18,406 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-11-25 15:52:18,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 44 events. 12/44 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 128 event pairs, 4 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 128. Up to 18 conditions per place. [2022-11-25 15:52:18,407 INFO L137 encePairwiseOnDemand]: 183/189 looper letters, 13 selfloop transitions, 5 changer transitions 5/23 dead transitions. [2022-11-25 15:52:18,407 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 23 transitions, 136 flow [2022-11-25 15:52:18,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:52:18,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-25 15:52:18,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 497 transitions. [2022-11-25 15:52:18,410 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4382716049382716 [2022-11-25 15:52:18,410 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 497 transitions. [2022-11-25 15:52:18,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 497 transitions. [2022-11-25 15:52:18,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:52:18,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 497 transitions. [2022-11-25 15:52:18,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 82.83333333333333) internal successors, (497), 6 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:18,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 189.0) internal successors, (1323), 7 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:18,414 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 189.0) internal successors, (1323), 7 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:18,414 INFO L175 Difference]: Start difference. First operand has 25 places, 15 transitions, 62 flow. Second operand 6 states and 497 transitions. [2022-11-25 15:52:18,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 23 transitions, 136 flow [2022-11-25 15:52:18,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 23 transitions, 128 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 15:52:18,416 INFO L231 Difference]: Finished difference. Result has 28 places, 14 transitions, 64 flow [2022-11-25 15:52:18,416 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=64, PETRI_PLACES=28, PETRI_TRANSITIONS=14} [2022-11-25 15:52:18,417 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, 4 predicate places. [2022-11-25 15:52:18,417 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 14 transitions, 64 flow [2022-11-25 15:52:18,417 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) [2022-11-25 15:52:18,417 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:52:18,418 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:52:18,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 15:52:18,418 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-25 15:52:18,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:52:18,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1917095389, now seen corresponding path program 1 times [2022-11-25 15:52:18,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:52:18,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761655166] [2022-11-25 15:52:18,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:18,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:52:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:18,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:52:18,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:52:18,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761655166] [2022-11-25 15:52:18,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761655166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:52:18,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:52:18,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:52:18,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46142368] [2022-11-25 15:52:18,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:52:18,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 15:52:18,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:52:18,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 15:52:18,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:52:18,508 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 189 [2022-11-25 15:52:18,508 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 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) [2022-11-25 15:52:18,509 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:52:18,509 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 189 [2022-11-25 15:52:18,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:52:18,553 INFO L130 PetriNetUnfolder]: 10/35 cut-off events. [2022-11-25 15:52:18,554 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-25 15:52:18,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 35 events. 10/35 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 82 event pairs, 3 based on Foata normal form. 3/38 useless extension candidates. Maximal degree in co-relation 106. Up to 12 conditions per place. [2022-11-25 15:52:18,554 INFO L137 encePairwiseOnDemand]: 183/189 looper letters, 7 selfloop transitions, 3 changer transitions 8/18 dead transitions. [2022-11-25 15:52:18,554 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 18 transitions, 110 flow [2022-11-25 15:52:18,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 15:52:18,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 15:52:18,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 413 transitions. [2022-11-25 15:52:18,561 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.43703703703703706 [2022-11-25 15:52:18,561 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 413 transitions. [2022-11-25 15:52:18,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 413 transitions. [2022-11-25 15:52:18,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:52:18,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 413 transitions. [2022-11-25 15:52:18,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 82.6) internal successors, (413), 5 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:18,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:18,566 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:18,566 INFO L175 Difference]: Start difference. First operand has 28 places, 14 transitions, 64 flow. Second operand 5 states and 413 transitions. [2022-11-25 15:52:18,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 18 transitions, 110 flow [2022-11-25 15:52:18,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 18 transitions, 105 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-25 15:52:18,569 INFO L231 Difference]: Finished difference. Result has 28 places, 9 transitions, 46 flow [2022-11-25 15:52:18,569 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=55, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=46, PETRI_PLACES=28, PETRI_TRANSITIONS=9} [2022-11-25 15:52:18,573 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, 4 predicate places. [2022-11-25 15:52:18,574 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 9 transitions, 46 flow [2022-11-25 15:52:18,574 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) [2022-11-25 15:52:18,574 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:52:18,574 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:52:18,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 15:52:18,575 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)] === [2022-11-25 15:52:18,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:52:18,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1917016083, now seen corresponding path program 1 times [2022-11-25 15:52:18,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:52:18,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35015573] [2022-11-25 15:52:18,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:18,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:52:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:52:18,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:52:18,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35015573] [2022-11-25 15:52:18,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35015573] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:52:18,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:52:18,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:52:18,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402522582] [2022-11-25 15:52:18,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:52:18,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 15:52:18,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:52:18,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 15:52:18,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:52:18,699 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 189 [2022-11-25 15:52:18,700 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 9 transitions, 46 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) [2022-11-25 15:52:18,700 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:52:18,700 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 189 [2022-11-25 15:52:18,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:52:18,741 INFO L130 PetriNetUnfolder]: 4/16 cut-off events. [2022-11-25 15:52:18,741 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-25 15:52:18,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 16 events. 4/16 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 13 event pairs, 1 based on Foata normal form. 2/18 useless extension candidates. Maximal degree in co-relation 51. Up to 6 conditions per place. [2022-11-25 15:52:18,742 INFO L137 encePairwiseOnDemand]: 184/189 looper letters, 3 selfloop transitions, 4 changer transitions 4/11 dead transitions. [2022-11-25 15:52:18,742 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 11 transitions, 68 flow [2022-11-25 15:52:18,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:52:18,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-25 15:52:18,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 493 transitions. [2022-11-25 15:52:18,745 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4347442680776014 [2022-11-25 15:52:18,745 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 493 transitions. [2022-11-25 15:52:18,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 493 transitions. [2022-11-25 15:52:18,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:52:18,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 493 transitions. [2022-11-25 15:52:18,747 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) [2022-11-25 15:52:18,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 189.0) internal successors, (1323), 7 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:18,750 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 189.0) internal successors, (1323), 7 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:18,750 INFO L175 Difference]: Start difference. First operand has 28 places, 9 transitions, 46 flow. Second operand 6 states and 493 transitions. [2022-11-25 15:52:18,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 11 transitions, 68 flow [2022-11-25 15:52:18,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 11 transitions, 55 flow, removed 1 selfloop flow, removed 5 redundant places. [2022-11-25 15:52:18,751 INFO L231 Difference]: Finished difference. Result has 22 places, 7 transitions, 33 flow [2022-11-25 15:52:18,751 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=27, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=8, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=33, PETRI_PLACES=22, PETRI_TRANSITIONS=7} [2022-11-25 15:52:18,752 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, -2 predicate places. [2022-11-25 15:52:18,752 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 7 transitions, 33 flow [2022-11-25 15:52:18,753 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) [2022-11-25 15:52:18,753 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:52:18,753 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:52:18,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 15:52:18,754 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)] === [2022-11-25 15:52:18,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:52:18,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1871979010, now seen corresponding path program 1 times [2022-11-25 15:52:18,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:52:18,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411785699] [2022-11-25 15:52:18,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:18,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:52:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:52:18,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:52:18,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:52:18,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411785699] [2022-11-25 15:52:18,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411785699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:52:18,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:52:18,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:52:18,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686569345] [2022-11-25 15:52:18,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:52:18,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 15:52:18,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:52:18,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 15:52:18,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:52:18,903 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 189 [2022-11-25 15:52:18,904 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 7 transitions, 33 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) [2022-11-25 15:52:18,904 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:52:18,904 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 189 [2022-11-25 15:52:18,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:52:18,932 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2022-11-25 15:52:18,932 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-25 15:52:18,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28 conditions, 6 events. 0/6 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 1/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-11-25 15:52:18,933 INFO L137 encePairwiseOnDemand]: 184/189 looper letters, 0 selfloop transitions, 0 changer transitions 6/6 dead transitions. [2022-11-25 15:52:18,933 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 6 transitions, 40 flow [2022-11-25 15:52:18,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:52:18,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-25 15:52:18,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 487 transitions. [2022-11-25 15:52:18,936 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4294532627865961 [2022-11-25 15:52:18,936 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 487 transitions. [2022-11-25 15:52:18,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 487 transitions. [2022-11-25 15:52:18,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:52:18,937 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 487 transitions. [2022-11-25 15:52:18,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:18,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 189.0) internal successors, (1323), 7 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:18,941 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 189.0) internal successors, (1323), 7 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:52:18,942 INFO L175 Difference]: Start difference. First operand has 22 places, 7 transitions, 33 flow. Second operand 6 states and 487 transitions. [2022-11-25 15:52:18,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 6 transitions, 40 flow [2022-11-25 15:52:18,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 6 transitions, 29 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-25 15:52:18,943 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2022-11-25 15:52:18,944 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=17, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=6, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=6, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2022-11-25 15:52:18,945 INFO L288 CegarLoopForPetriNet]: 24 programPoint places, -6 predicate places. [2022-11-25 15:52:18,945 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 0 transitions, 0 flow [2022-11-25 15:52:18,945 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) [2022-11-25 15:52:18,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 13 remaining) [2022-11-25 15:52:18,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 13 remaining) [2022-11-25 15:52:18,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 13 remaining) [2022-11-25 15:52:18,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 13 remaining) [2022-11-25 15:52:18,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 13 remaining) [2022-11-25 15:52:18,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 13 remaining) [2022-11-25 15:52:18,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 13 remaining) [2022-11-25 15:52:18,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 13 remaining) [2022-11-25 15:52:18,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 13 remaining) [2022-11-25 15:52:18,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 13 remaining) [2022-11-25 15:52:18,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 13 remaining) [2022-11-25 15:52:18,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 13 remaining) [2022-11-25 15:52:18,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 13 remaining) [2022-11-25 15:52:18,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 15:52:18,953 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:52:18,960 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 15:52:18,960 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:52:18,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:52:18 BasicIcfg [2022-11-25 15:52:18,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:52:18,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:52:18,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:52:18,972 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:52:18,972 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:52:12" (3/4) ... [2022-11-25 15:52:18,982 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 15:52:18,989 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-25 15:52:18,996 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-25 15:52:18,997 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 15:52:18,997 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 15:52:19,043 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7214777-8c31-48e3-9971-5cf0d5d00b5a/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:52:19,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:52:19,044 INFO L158 Benchmark]: Toolchain (without parser) took 8004.63ms. Allocated memory was 132.1MB in the beginning and 195.0MB in the end (delta: 62.9MB). Free memory was 88.4MB in the beginning and 146.3MB in the end (delta: -57.9MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-11-25 15:52:19,045 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:52:19,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 935.27ms. Allocated memory is still 132.1MB. Free memory was 88.1MB in the beginning and 60.9MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-25 15:52:19,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.96ms. Allocated memory is still 132.1MB. Free memory was 60.9MB in the beginning and 58.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:52:19,046 INFO L158 Benchmark]: Boogie Preprocessor took 47.07ms. Allocated memory is still 132.1MB. Free memory was 58.7MB in the beginning and 57.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:52:19,046 INFO L158 Benchmark]: RCFGBuilder took 469.33ms. Allocated memory is still 132.1MB. Free memory was 57.3MB in the beginning and 91.9MB in the end (delta: -34.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2022-11-25 15:52:19,047 INFO L158 Benchmark]: TraceAbstraction took 6401.89ms. Allocated memory was 132.1MB in the beginning and 195.0MB in the end (delta: 62.9MB). Free memory was 91.4MB in the beginning and 148.4MB in the end (delta: -57.0MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2022-11-25 15:52:19,047 INFO L158 Benchmark]: Witness Printer took 72.56ms. Allocated memory is still 195.0MB. Free memory was 148.4MB in the beginning and 146.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:52:19,049 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 935.27ms. Allocated memory is still 132.1MB. Free memory was 88.1MB in the beginning and 60.9MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.96ms. Allocated memory is still 132.1MB. Free memory was 60.9MB in the beginning and 58.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.07ms. Allocated memory is still 132.1MB. Free memory was 58.7MB in the beginning and 57.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 469.33ms. Allocated memory is still 132.1MB. Free memory was 57.3MB in the beginning and 91.9MB in the end (delta: -34.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * TraceAbstraction took 6401.89ms. Allocated memory was 132.1MB in the beginning and 195.0MB in the end (delta: 62.9MB). Free memory was 91.4MB in the beginning and 148.4MB in the end (delta: -57.0MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Witness Printer took 72.56ms. Allocated memory is still 195.0MB. Free memory was 148.4MB in the beginning and 146.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.9s, 87 PlacesBefore, 24 PlacesAfterwards, 87 TransitionsBefore, 22 TransitionsAfterwards, 1300 CoEnabledTransitionPairs, 5 FixpointIterations, 22 TrivialSequentialCompositions, 67 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 2 ChoiceCompositions, 101 TotalNumberOfCompositions, 2159 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1504, independent: 1430, independent conditional: 0, independent unconditional: 1430, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 938, independent: 910, independent conditional: 0, independent unconditional: 910, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 938, independent: 905, independent conditional: 0, independent unconditional: 905, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 105, dependent conditional: 0, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1504, independent: 520, independent conditional: 0, independent unconditional: 520, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 938, unknown conditional: 0, unknown unconditional: 938] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, 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: 6.2s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 357 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 211 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 72 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 497 IncrementalHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 72 mSolverCounterUnsat, 1 mSDtfsCounter, 497 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=7, InterpolantAutomatonStates: 41, 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, 0.7s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 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! [2022-11-25 15:52:19,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7214777-8c31-48e3-9971-5cf0d5d00b5a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE