./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_2d24a067-362e-4c80-a756-496213ce775d/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/bin/uautomizer-ug76WZFUDN --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 33fa46fe030c661ecf8ddae0fe7d2b7598ab4fcf90a09fe31211d00189cd239f --- 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-6b4ec56 [2022-11-20 11:08:18,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:08:18,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:08:18,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:08:18,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:08:18,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:08:18,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:08:18,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:08:18,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:08:18,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:08:18,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:08:18,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:08:18,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:08:18,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:08:18,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:08:18,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:08:18,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:08:18,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:08:18,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:08:18,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:08:18,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:08:18,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:08:18,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:08:18,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:08:18,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:08:18,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:08:18,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:08:18,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:08:18,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:08:18,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:08:18,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:08:18,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:08:18,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:08:18,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:08:18,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:08:18,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:08:18,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:08:18,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:08:18,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:08:18,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:08:18,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:08:18,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-20 11:08:18,870 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:08:18,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:08:18,874 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:08:18,874 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:08:18,875 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:08:18,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:08:18,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:08:18,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:08:18,877 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:08:18,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:08:18,879 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:08:18,879 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:08:18,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:08:18,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:08:18,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:08:18,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:08:18,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:08:18,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:08:18,881 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 11:08:18,881 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:08:18,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:08:18,882 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:08:18,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:08:18,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:08:18,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:08:18,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:08:18,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:08:18,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:08:18,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:08:18,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:08:18,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:08:18,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:08:18,885 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:08:18,886 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:08:18,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:08:18,886 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33fa46fe030c661ecf8ddae0fe7d2b7598ab4fcf90a09fe31211d00189cd239f [2022-11-20 11:08:19,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:08:19,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:08:19,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:08:19,293 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:08:19,294 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:08:19,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-11-20 11:08:22,755 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:08:23,030 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:08:23,035 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/sv-benchmarks/c/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-11-20 11:08:23,066 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/bin/uautomizer-ug76WZFUDN/data/834f1e54c/18dcff4cd2f14468933ee33c3f6df93d/FLAGbc6ab6f64 [2022-11-20 11:08:23,090 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/bin/uautomizer-ug76WZFUDN/data/834f1e54c/18dcff4cd2f14468933ee33c3f6df93d [2022-11-20 11:08:23,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:08:23,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:08:23,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:08:23,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:08:23,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:08:23,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:08:23" (1/1) ... [2022-11-20 11:08:23,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d64b965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:08:23, skipping insertion in model container [2022-11-20 11:08:23,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:08:23" (1/1) ... [2022-11-20 11:08:23,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:08:23,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:08:23,322 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/sv-benchmarks/c/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-11-20 11:08:23,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:08:23,592 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:08:23,611 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/sv-benchmarks/c/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-11-20 11:08:23,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:08:23,679 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:08:23,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:08:23 WrapperNode [2022-11-20 11:08:23,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:08:23,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:08:23,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:08:23,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:08:23,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:08:23" (1/1) ... [2022-11-20 11:08:23,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:08:23" (1/1) ... [2022-11-20 11:08:23,748 INFO L138 Inliner]: procedures = 177, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2022-11-20 11:08:23,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:08:23,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:08:23,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:08:23,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:08:23,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:08:23" (1/1) ... [2022-11-20 11:08:23,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:08:23" (1/1) ... [2022-11-20 11:08:23,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:08:23" (1/1) ... [2022-11-20 11:08:23,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:08:23" (1/1) ... [2022-11-20 11:08:23,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:08:23" (1/1) ... [2022-11-20 11:08:23,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:08:23" (1/1) ... [2022-11-20 11:08:23,799 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:08:23" (1/1) ... [2022-11-20 11:08:23,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:08:23" (1/1) ... [2022-11-20 11:08:23,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:08:23,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:08:23,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:08:23,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:08:23,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:08:23" (1/1) ... [2022-11-20 11:08:23,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:08:23,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:08:23,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:08:23,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:08:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:08:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 11:08:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:08:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:08:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:08:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-20 11:08:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-20 11:08:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-20 11:08:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-20 11:08:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-20 11:08:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-20 11:08:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-20 11:08:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-20 11:08:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:08:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 11:08:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:08:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:08:23,907 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 11:08:24,092 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:08:24,093 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:08:24,368 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:08:24,425 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:08:24,426 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:08:24,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:08:24 BoogieIcfgContainer [2022-11-20 11:08:24,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:08:24,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:08:24,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:08:24,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:08:24,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:08:23" (1/3) ... [2022-11-20 11:08:24,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7235ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:08:24, skipping insertion in model container [2022-11-20 11:08:24,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:08:23" (2/3) ... [2022-11-20 11:08:24,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7235ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:08:24, skipping insertion in model container [2022-11-20 11:08:24,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:08:24" (3/3) ... [2022-11-20 11:08:24,450 INFO L112 eAbstractionObserver]: Analyzing ICFG thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-11-20 11:08:24,460 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 11:08:24,472 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:08:24,472 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-20 11:08:24,473 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 11:08:24,551 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 11:08:24,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 129 places, 118 transitions, 256 flow [2022-11-20 11:08:24,657 INFO L130 PetriNetUnfolder]: 2/114 cut-off events. [2022-11-20 11:08:24,657 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 11:08:24,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 92. Up to 2 conditions per place. [2022-11-20 11:08:24,664 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 118 transitions, 256 flow [2022-11-20 11:08:24,670 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 114 transitions, 240 flow [2022-11-20 11:08:24,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:08:24,689 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;@6c34829c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:08:24,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-11-20 11:08:24,703 INFO L130 PetriNetUnfolder]: 0/35 cut-off events. [2022-11-20 11:08:24,703 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 11:08:24,704 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:08:24,704 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:08:24,705 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-20 11:08:24,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:08:24,711 INFO L85 PathProgramCache]: Analyzing trace with hash -989698693, now seen corresponding path program 1 times [2022-11-20 11:08:24,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:08:24,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001563560] [2022-11-20 11:08:24,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:08:24,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:08:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:08:25,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:08:25,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:08:25,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001563560] [2022-11-20 11:08:25,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001563560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:08:25,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:08:25,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:08:25,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141660578] [2022-11-20 11:08:25,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:08:25,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:08:25,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:08:25,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:08:25,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:08:25,139 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 118 [2022-11-20 11:08:25,145 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 114 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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) [2022-11-20 11:08:25,145 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:08:25,146 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 118 [2022-11-20 11:08:25,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:08:26,057 INFO L130 PetriNetUnfolder]: 796/4512 cut-off events. [2022-11-20 11:08:26,058 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-20 11:08:26,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5813 conditions, 4512 events. 796/4512 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 48210 event pairs, 615 based on Foata normal form. 285/3911 useless extension candidates. Maximal degree in co-relation 5775. Up to 1192 conditions per place. [2022-11-20 11:08:26,102 INFO L137 encePairwiseOnDemand]: 103/118 looper letters, 21 selfloop transitions, 5 changer transitions 0/119 dead transitions. [2022-11-20 11:08:26,102 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 119 transitions, 311 flow [2022-11-20 11:08:26,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:08:26,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:08:26,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 329 transitions. [2022-11-20 11:08:26,122 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9293785310734464 [2022-11-20 11:08:26,123 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 329 transitions. [2022-11-20 11:08:26,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 329 transitions. [2022-11-20 11:08:26,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:08:26,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 329 transitions. [2022-11-20 11:08:26,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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) [2022-11-20 11:08:26,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 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) [2022-11-20 11:08:26,143 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 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) [2022-11-20 11:08:26,145 INFO L175 Difference]: Start difference. First operand has 125 places, 114 transitions, 240 flow. Second operand 3 states and 329 transitions. [2022-11-20 11:08:26,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 119 transitions, 311 flow [2022-11-20 11:08:26,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 119 transitions, 304 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:08:26,157 INFO L231 Difference]: Finished difference. Result has 123 places, 115 transitions, 277 flow [2022-11-20 11:08:26,160 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=277, PETRI_PLACES=123, PETRI_TRANSITIONS=115} [2022-11-20 11:08:26,169 INFO L288 CegarLoopForPetriNet]: 125 programPoint places, -2 predicate places. [2022-11-20 11:08:26,170 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 115 transitions, 277 flow [2022-11-20 11:08:26,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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) [2022-11-20 11:08:26,170 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:08:26,171 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:08:26,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:08:26,171 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-20 11:08:26,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:08:26,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1085588342, now seen corresponding path program 1 times [2022-11-20 11:08:26,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:08:26,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396458287] [2022-11-20 11:08:26,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:08:26,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:08:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:08:26,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:08:26,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:08:26,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396458287] [2022-11-20 11:08:26,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396458287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:08:26,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:08:26,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:08:26,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576327298] [2022-11-20 11:08:26,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:08:26,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:08:26,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:08:26,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:08:26,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:08:26,342 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 118 [2022-11-20 11:08:26,343 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 115 transitions, 277 flow. Second operand has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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) [2022-11-20 11:08:26,343 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:08:26,344 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 118 [2022-11-20 11:08:26,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:08:26,609 INFO L130 PetriNetUnfolder]: 398/970 cut-off events. [2022-11-20 11:08:26,610 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-11-20 11:08:26,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2291 conditions, 970 events. 398/970 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 6255 event pairs, 79 based on Foata normal form. 0/664 useless extension candidates. Maximal degree in co-relation 2254. Up to 532 conditions per place. [2022-11-20 11:08:26,624 INFO L137 encePairwiseOnDemand]: 105/118 looper letters, 24 selfloop transitions, 13 changer transitions 0/130 dead transitions. [2022-11-20 11:08:26,625 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 130 transitions, 407 flow [2022-11-20 11:08:26,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:08:26,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-20 11:08:26,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 429 transitions. [2022-11-20 11:08:26,628 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9088983050847458 [2022-11-20 11:08:26,628 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 429 transitions. [2022-11-20 11:08:26,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 429 transitions. [2022-11-20 11:08:26,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:08:26,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 429 transitions. [2022-11-20 11:08:26,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 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) [2022-11-20 11:08:26,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 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) [2022-11-20 11:08:26,634 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 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) [2022-11-20 11:08:26,634 INFO L175 Difference]: Start difference. First operand has 123 places, 115 transitions, 277 flow. Second operand 4 states and 429 transitions. [2022-11-20 11:08:26,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 130 transitions, 407 flow [2022-11-20 11:08:26,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 130 transitions, 402 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:08:26,639 INFO L231 Difference]: Finished difference. Result has 127 places, 123 transitions, 375 flow [2022-11-20 11:08:26,639 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=375, PETRI_PLACES=127, PETRI_TRANSITIONS=123} [2022-11-20 11:08:26,640 INFO L288 CegarLoopForPetriNet]: 125 programPoint places, 2 predicate places. [2022-11-20 11:08:26,640 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 123 transitions, 375 flow [2022-11-20 11:08:26,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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) [2022-11-20 11:08:26,641 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:08:26,641 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:08:26,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:08:26,641 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-20 11:08:26,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:08:26,642 INFO L85 PathProgramCache]: Analyzing trace with hash 861707135, now seen corresponding path program 1 times [2022-11-20 11:08:26,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:08:26,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865896887] [2022-11-20 11:08:26,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:08:26,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:08:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:08:26,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:08:26,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:08:26,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865896887] [2022-11-20 11:08:26,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865896887] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:08:26,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:08:26,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:08:26,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358714916] [2022-11-20 11:08:26,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:08:26,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:08:26,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:08:26,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:08:26,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:08:26,755 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 118 [2022-11-20 11:08:26,756 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 123 transitions, 375 flow. Second operand has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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) [2022-11-20 11:08:26,756 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:08:26,756 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 118 [2022-11-20 11:08:26,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:08:26,864 INFO L130 PetriNetUnfolder]: 127/396 cut-off events. [2022-11-20 11:08:26,865 INFO L131 PetriNetUnfolder]: For 183/183 co-relation queries the response was YES. [2022-11-20 11:08:26,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1021 conditions, 396 events. 127/396 cut-off events. For 183/183 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1791 event pairs, 22 based on Foata normal form. 91/422 useless extension candidates. Maximal degree in co-relation 981. Up to 215 conditions per place. [2022-11-20 11:08:26,870 INFO L137 encePairwiseOnDemand]: 109/118 looper letters, 21 selfloop transitions, 5 changer transitions 0/119 dead transitions. [2022-11-20 11:08:26,871 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 119 transitions, 385 flow [2022-11-20 11:08:26,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:08:26,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-20 11:08:26,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 414 transitions. [2022-11-20 11:08:26,873 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8771186440677966 [2022-11-20 11:08:26,873 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 414 transitions. [2022-11-20 11:08:26,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 414 transitions. [2022-11-20 11:08:26,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:08:26,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 414 transitions. [2022-11-20 11:08:26,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 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) [2022-11-20 11:08:26,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 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) [2022-11-20 11:08:26,877 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 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) [2022-11-20 11:08:26,877 INFO L175 Difference]: Start difference. First operand has 127 places, 123 transitions, 375 flow. Second operand 4 states and 414 transitions. [2022-11-20 11:08:26,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 119 transitions, 385 flow [2022-11-20 11:08:26,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 119 transitions, 362 flow, removed 4 selfloop flow, removed 3 redundant places. [2022-11-20 11:08:26,882 INFO L231 Difference]: Finished difference. Result has 123 places, 115 transitions, 306 flow [2022-11-20 11:08:26,883 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=306, PETRI_PLACES=123, PETRI_TRANSITIONS=115} [2022-11-20 11:08:26,883 INFO L288 CegarLoopForPetriNet]: 125 programPoint places, -2 predicate places. [2022-11-20 11:08:26,884 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 115 transitions, 306 flow [2022-11-20 11:08:26,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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) [2022-11-20 11:08:26,884 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:08:26,885 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:08:26,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:08:26,885 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-20 11:08:26,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:08:26,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1793025196, now seen corresponding path program 1 times [2022-11-20 11:08:26,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:08:26,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226437082] [2022-11-20 11:08:26,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:08:26,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:08:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:08:27,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:08:27,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:08:27,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226437082] [2022-11-20 11:08:27,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226437082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:08:27,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:08:27,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:08:27,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379049268] [2022-11-20 11:08:27,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:08:27,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:08:27,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:08:27,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:08:27,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:08:27,068 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 118 [2022-11-20 11:08:27,069 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 115 transitions, 306 flow. Second operand has 5 states, 5 states have (on average 98.4) internal successors, (492), 5 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:08:27,069 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:08:27,069 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 118 [2022-11-20 11:08:27,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:08:27,195 INFO L130 PetriNetUnfolder]: 70/292 cut-off events. [2022-11-20 11:08:27,196 INFO L131 PetriNetUnfolder]: For 114/114 co-relation queries the response was YES. [2022-11-20 11:08:27,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 614 conditions, 292 events. 70/292 cut-off events. For 114/114 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1140 event pairs, 0 based on Foata normal form. 0/278 useless extension candidates. Maximal degree in co-relation 575. Up to 76 conditions per place. [2022-11-20 11:08:27,200 INFO L137 encePairwiseOnDemand]: 109/118 looper letters, 18 selfloop transitions, 13 changer transitions 4/128 dead transitions. [2022-11-20 11:08:27,200 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 128 transitions, 430 flow [2022-11-20 11:08:27,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:08:27,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-20 11:08:27,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 524 transitions. [2022-11-20 11:08:27,203 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.888135593220339 [2022-11-20 11:08:27,203 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 524 transitions. [2022-11-20 11:08:27,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 524 transitions. [2022-11-20 11:08:27,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:08:27,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 524 transitions. [2022-11-20 11:08:27,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 104.8) internal successors, (524), 5 states have internal predecessors, (524), 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) [2022-11-20 11:08:27,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 118.0) internal successors, (708), 6 states have internal predecessors, (708), 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) [2022-11-20 11:08:27,208 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 118.0) internal successors, (708), 6 states have internal predecessors, (708), 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) [2022-11-20 11:08:27,209 INFO L175 Difference]: Start difference. First operand has 123 places, 115 transitions, 306 flow. Second operand 5 states and 524 transitions. [2022-11-20 11:08:27,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 128 transitions, 430 flow [2022-11-20 11:08:27,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 128 transitions, 424 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:08:27,213 INFO L231 Difference]: Finished difference. Result has 126 places, 115 transitions, 342 flow [2022-11-20 11:08:27,214 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=342, PETRI_PLACES=126, PETRI_TRANSITIONS=115} [2022-11-20 11:08:27,215 INFO L288 CegarLoopForPetriNet]: 125 programPoint places, 1 predicate places. [2022-11-20 11:08:27,215 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 115 transitions, 342 flow [2022-11-20 11:08:27,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 98.4) internal successors, (492), 5 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:08:27,216 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:08:27,216 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:08:27,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:08:27,217 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-20 11:08:27,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:08:27,218 INFO L85 PathProgramCache]: Analyzing trace with hash 982570817, now seen corresponding path program 1 times [2022-11-20 11:08:27,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:08:27,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325128561] [2022-11-20 11:08:27,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:08:27,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:08:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:08:27,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:08:27,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:08:27,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325128561] [2022-11-20 11:08:27,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325128561] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:08:27,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:08:27,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:08:27,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788754039] [2022-11-20 11:08:27,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:08:27,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:08:27,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:08:27,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:08:27,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:08:27,459 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 118 [2022-11-20 11:08:27,460 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 115 transitions, 342 flow. Second operand has 6 states, 6 states have (on average 98.5) internal successors, (591), 6 states have internal predecessors, (591), 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) [2022-11-20 11:08:27,461 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:08:27,461 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 118 [2022-11-20 11:08:27,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:08:27,589 INFO L130 PetriNetUnfolder]: 59/372 cut-off events. [2022-11-20 11:08:27,589 INFO L131 PetriNetUnfolder]: For 261/261 co-relation queries the response was YES. [2022-11-20 11:08:27,591 INFO L83 FinitePrefix]: Finished finitePrefix Result has 742 conditions, 372 events. 59/372 cut-off events. For 261/261 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1602 event pairs, 0 based on Foata normal form. 8/367 useless extension candidates. Maximal degree in co-relation 702. Up to 60 conditions per place. [2022-11-20 11:08:27,592 INFO L137 encePairwiseOnDemand]: 109/118 looper letters, 0 selfloop transitions, 0 changer transitions 120/120 dead transitions. [2022-11-20 11:08:27,592 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 120 transitions, 394 flow [2022-11-20 11:08:27,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:08:27,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:08:27,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 613 transitions. [2022-11-20 11:08:27,595 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.865819209039548 [2022-11-20 11:08:27,595 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 613 transitions. [2022-11-20 11:08:27,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 613 transitions. [2022-11-20 11:08:27,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:08:27,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 613 transitions. [2022-11-20 11:08:27,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 102.16666666666667) internal successors, (613), 6 states have internal predecessors, (613), 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) [2022-11-20 11:08:27,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 118.0) internal successors, (826), 7 states have internal predecessors, (826), 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) [2022-11-20 11:08:27,601 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 118.0) internal successors, (826), 7 states have internal predecessors, (826), 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) [2022-11-20 11:08:27,602 INFO L175 Difference]: Start difference. First operand has 126 places, 115 transitions, 342 flow. Second operand 6 states and 613 transitions. [2022-11-20 11:08:27,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 120 transitions, 394 flow [2022-11-20 11:08:27,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 120 transitions, 339 flow, removed 8 selfloop flow, removed 6 redundant places. [2022-11-20 11:08:27,606 INFO L231 Difference]: Finished difference. Result has 121 places, 0 transitions, 0 flow [2022-11-20 11:08:27,606 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=121, PETRI_TRANSITIONS=0} [2022-11-20 11:08:27,607 INFO L288 CegarLoopForPetriNet]: 125 programPoint places, -4 predicate places. [2022-11-20 11:08:27,608 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 0 transitions, 0 flow [2022-11-20 11:08:27,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 98.5) internal successors, (591), 6 states have internal predecessors, (591), 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) [2022-11-20 11:08:27,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-11-20 11:08:27,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-11-20 11:08:27,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-11-20 11:08:27,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-11-20 11:08:27,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-11-20 11:08:27,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-11-20 11:08:27,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-11-20 11:08:27,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-11-20 11:08:27,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-11-20 11:08:27,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-11-20 11:08:27,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-11-20 11:08:27,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-11-20 11:08:27,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-11-20 11:08:27,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-11-20 11:08:27,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-11-20 11:08:27,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-11-20 11:08:27,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-11-20 11:08:27,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-11-20 11:08:27,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-11-20 11:08:27,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-11-20 11:08:27,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 11:08:27,618 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-20 11:08:27,624 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 11:08:27,624 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:08:27,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:08:27 BasicIcfg [2022-11-20 11:08:27,631 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:08:27,631 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:08:27,632 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:08:27,632 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:08:27,633 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:08:24" (3/4) ... [2022-11-20 11:08:27,636 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:08:27,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-20 11:08:27,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-20 11:08:27,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-20 11:08:27,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2022-11-20 11:08:27,647 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-20 11:08:27,648 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 11:08:27,648 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 11:08:27,648 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:08:27,684 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:08:27,684 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:08:27,685 INFO L158 Benchmark]: Toolchain (without parser) took 4585.15ms. Allocated memory was 153.1MB in the beginning and 272.6MB in the end (delta: 119.5MB). Free memory was 107.5MB in the beginning and 150.3MB in the end (delta: -42.8MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. [2022-11-20 11:08:27,685 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:08:27,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 578.35ms. Allocated memory is still 153.1MB. Free memory was 107.5MB in the beginning and 86.9MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 11:08:27,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.17ms. Allocated memory is still 153.1MB. Free memory was 86.9MB in the beginning and 84.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:08:27,686 INFO L158 Benchmark]: Boogie Preprocessor took 59.75ms. Allocated memory is still 153.1MB. Free memory was 84.9MB in the beginning and 83.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:08:27,687 INFO L158 Benchmark]: RCFGBuilder took 619.24ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 83.2MB in the beginning and 157.7MB in the end (delta: -74.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-11-20 11:08:27,687 INFO L158 Benchmark]: TraceAbstraction took 3199.91ms. Allocated memory was 197.1MB in the beginning and 272.6MB in the end (delta: 75.5MB). Free memory was 157.7MB in the beginning and 153.5MB in the end (delta: 4.2MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2022-11-20 11:08:27,688 INFO L158 Benchmark]: Witness Printer took 52.57ms. Allocated memory is still 272.6MB. Free memory was 153.5MB in the beginning and 150.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:08:27,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 578.35ms. Allocated memory is still 153.1MB. Free memory was 107.5MB in the beginning and 86.9MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.17ms. Allocated memory is still 153.1MB. Free memory was 86.9MB in the beginning and 84.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.75ms. Allocated memory is still 153.1MB. Free memory was 84.9MB in the beginning and 83.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 619.24ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 83.2MB in the beginning and 157.7MB in the end (delta: -74.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3199.91ms. Allocated memory was 197.1MB in the beginning and 272.6MB in the end (delta: 75.5MB). Free memory was 157.7MB in the beginning and 153.5MB in the end (delta: 4.2MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * Witness Printer took 52.57ms. Allocated memory is still 272.6MB. Free memory was 153.5MB in the beginning and 150.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 740]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 740]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 770]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 770]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 157 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 190 IncrementalHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 17 mSDtfsCounter, 190 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=375occurred in iteration=2, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 616 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 11:08:27,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d24a067-362e-4c80-a756-496213ce775d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE