./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8f561bb39ee57b07ab3831dd4ee3a1e439959bee7f69e1cabc2315100876031b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:11:49,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:11:49,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:11:49,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:11:49,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:11:49,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:11:49,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:11:49,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:11:49,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:11:49,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:11:49,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:11:49,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:11:49,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:11:49,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:11:49,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:11:49,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:11:49,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:11:49,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:11:49,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:11:49,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:11:49,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:11:49,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:11:49,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:11:49,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:11:49,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:11:49,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:11:49,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:11:49,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:11:49,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:11:49,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:11:49,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:11:49,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:11:49,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:11:49,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:11:49,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:11:49,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:11:49,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:11:49,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:11:49,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:11:49,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:11:49,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:11:49,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 18:11:49,992 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:11:49,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:11:49,993 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:11:49,993 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:11:49,993 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:11:49,994 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:11:49,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:11:49,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:11:49,994 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:11:49,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:11:49,995 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:11:49,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:11:49,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:11:49,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:11:49,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:11:49,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:11:49,995 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:11:49,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:11:49,996 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:11:49,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:11:49,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:11:49,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:11:49,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:11:49,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:11:49,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:11:49,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:11:49,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:11:49,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:11:49,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:11:49,998 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:11:49,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:11:49,998 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:11:49,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:11:49,998 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:11:49,998 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_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f561bb39ee57b07ab3831dd4ee3a1e439959bee7f69e1cabc2315100876031b [2022-12-13 18:11:50,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:11:50,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:11:50,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:11:50,177 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:11:50,177 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:11:50,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i [2022-12-13 18:11:52,662 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:11:52,851 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:11:52,852 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i [2022-12-13 18:11:52,859 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/data/4e7d7b80b/3384621eaaeb4bcb974ce3902b10f31d/FLAG30b67fe5f [2022-12-13 18:11:53,244 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/data/4e7d7b80b/3384621eaaeb4bcb974ce3902b10f31d [2022-12-13 18:11:53,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:11:53,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:11:53,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:11:53,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:11:53,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:11:53,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:11:53" (1/1) ... [2022-12-13 18:11:53,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68300948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:11:53, skipping insertion in model container [2022-12-13 18:11:53,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:11:53" (1/1) ... [2022-12-13 18:11:53,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:11:53,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:11:53,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:11:53,454 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:11:53,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:11:53,494 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:11:53,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:11:53 WrapperNode [2022-12-13 18:11:53,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:11:53,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:11:53,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:11:53,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:11:53,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:11:53" (1/1) ... [2022-12-13 18:11:53,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:11:53" (1/1) ... [2022-12-13 18:11:53,522 INFO L138 Inliner]: procedures = 111, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 113 [2022-12-13 18:11:53,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:11:53,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:11:53,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:11:53,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:11:53,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:11:53" (1/1) ... [2022-12-13 18:11:53,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:11:53" (1/1) ... [2022-12-13 18:11:53,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:11:53" (1/1) ... [2022-12-13 18:11:53,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:11:53" (1/1) ... [2022-12-13 18:11:53,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:11:53" (1/1) ... [2022-12-13 18:11:53,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:11:53" (1/1) ... [2022-12-13 18:11:53,537 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:11:53" (1/1) ... [2022-12-13 18:11:53,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:11:53" (1/1) ... [2022-12-13 18:11:53,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:11:53,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:11:53,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:11:53,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:11:53,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:11:53" (1/1) ... [2022-12-13 18:11:53,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:11:53,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:11:53,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:11:53,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:11:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:11:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:11:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:11:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:11:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:11:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:11:53,695 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:11:53,697 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:11:53,867 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:11:53,872 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:11:53,872 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 18:11:53,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:11:53 BoogieIcfgContainer [2022-12-13 18:11:53,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:11:53,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:11:53,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:11:53,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:11:53,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:11:53" (1/3) ... [2022-12-13 18:11:53,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce8f3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:11:53, skipping insertion in model container [2022-12-13 18:11:53,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:11:53" (2/3) ... [2022-12-13 18:11:53,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce8f3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:11:53, skipping insertion in model container [2022-12-13 18:11:53,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:11:53" (3/3) ... [2022-12-13 18:11:53,879 INFO L112 eAbstractionObserver]: Analyzing ICFG b.10-alloca.i [2022-12-13 18:11:53,893 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:11:53,893 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-12-13 18:11:53,928 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:11:53,932 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;@90e2ece, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:11:53,933 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-13 18:11:53,936 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 27 states have (on average 1.6666666666666667) internal successors, (45), 37 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:53,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 18:11:53,940 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:53,940 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 18:11:53,941 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:53,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:53,945 INFO L85 PathProgramCache]: Analyzing trace with hash 28695781, now seen corresponding path program 1 times [2022-12-13 18:11:53,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:53,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806309633] [2022-12-13 18:11:53,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:53,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:54,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:54,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:54,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806309633] [2022-12-13 18:11:54,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806309633] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:54,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:54,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:11:54,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775461042] [2022-12-13 18:11:54,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:54,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:11:54,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:54,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:11:54,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:11:54,478 INFO L87 Difference]: Start difference. First operand has 38 states, 27 states have (on average 1.6666666666666667) internal successors, (45), 37 states have internal predecessors, (45), 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) Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:54,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:54,548 INFO L93 Difference]: Finished difference Result 58 states and 68 transitions. [2022-12-13 18:11:54,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:11:54,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 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) Word has length 5 [2022-12-13 18:11:54,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:54,557 INFO L225 Difference]: With dead ends: 58 [2022-12-13 18:11:54,558 INFO L226 Difference]: Without dead ends: 47 [2022-12-13 18:11:54,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:11:54,562 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 97 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:54,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 70 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:11:54,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-12-13 18:11:54,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 32. [2022-12-13 18:11:54,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 31 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:54,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2022-12-13 18:11:54,587 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 5 [2022-12-13 18:11:54,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:54,588 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-12-13 18:11:54,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:54,588 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2022-12-13 18:11:54,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 18:11:54,588 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:54,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 18:11:54,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:11:54,589 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:54,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:54,589 INFO L85 PathProgramCache]: Analyzing trace with hash 889569255, now seen corresponding path program 1 times [2022-12-13 18:11:54,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:54,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441280236] [2022-12-13 18:11:54,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:54,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:54,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:54,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:54,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441280236] [2022-12-13 18:11:54,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441280236] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:54,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:54,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:11:54,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883196330] [2022-12-13 18:11:54,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:54,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:11:54,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:54,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:11:54,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:11:54,659 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:54,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:54,704 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2022-12-13 18:11:54,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:11:54,704 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) Word has length 6 [2022-12-13 18:11:54,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:54,706 INFO L225 Difference]: With dead ends: 47 [2022-12-13 18:11:54,706 INFO L226 Difference]: Without dead ends: 46 [2022-12-13 18:11:54,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:11:54,707 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 38 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:54,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 94 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:11:54,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-12-13 18:11:54,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 31. [2022-12-13 18:11:54,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.608695652173913) internal successors, (37), 30 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:54,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2022-12-13 18:11:54,711 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 6 [2022-12-13 18:11:54,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:54,711 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2022-12-13 18:11:54,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:54,711 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2022-12-13 18:11:54,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 18:11:54,711 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:54,711 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:11:54,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:11:54,712 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:54,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:54,712 INFO L85 PathProgramCache]: Analyzing trace with hash 183292466, now seen corresponding path program 1 times [2022-12-13 18:11:54,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:54,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725688712] [2022-12-13 18:11:54,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:54,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:54,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:54,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:54,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725688712] [2022-12-13 18:11:54,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725688712] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:54,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:54,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:11:54,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904369000] [2022-12-13 18:11:54,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:54,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:11:54,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:54,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:11:54,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:11:54,789 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:54,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:54,860 INFO L93 Difference]: Finished difference Result 68 states and 81 transitions. [2022-12-13 18:11:54,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:11:54,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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) Word has length 8 [2022-12-13 18:11:54,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:54,862 INFO L225 Difference]: With dead ends: 68 [2022-12-13 18:11:54,862 INFO L226 Difference]: Without dead ends: 67 [2022-12-13 18:11:54,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:11:54,864 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 42 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:54,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 102 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:11:54,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-12-13 18:11:54,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 48. [2022-12-13 18:11:54,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 40 states have (on average 1.575) internal successors, (63), 47 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:54,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 63 transitions. [2022-12-13 18:11:54,869 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 63 transitions. Word has length 8 [2022-12-13 18:11:54,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:54,870 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 63 transitions. [2022-12-13 18:11:54,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:54,870 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-13 18:11:54,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 18:11:54,870 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:54,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:11:54,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:11:54,871 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:54,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:54,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1387049590, now seen corresponding path program 1 times [2022-12-13 18:11:54,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:54,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496138830] [2022-12-13 18:11:54,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:54,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:54,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:54,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:54,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496138830] [2022-12-13 18:11:54,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496138830] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:54,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:54,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:11:54,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343238498] [2022-12-13 18:11:54,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:54,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:11:54,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:54,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:11:54,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:11:54,914 INFO L87 Difference]: Start difference. First operand 48 states and 63 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:54,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:54,939 INFO L93 Difference]: Finished difference Result 108 states and 141 transitions. [2022-12-13 18:11:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:11:54,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) Word has length 9 [2022-12-13 18:11:54,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:54,940 INFO L225 Difference]: With dead ends: 108 [2022-12-13 18:11:54,940 INFO L226 Difference]: Without dead ends: 62 [2022-12-13 18:11:54,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:11:54,942 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 27 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:54,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 89 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:11:54,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-12-13 18:11:54,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 50. [2022-12-13 18:11:54,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 49 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:54,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 65 transitions. [2022-12-13 18:11:54,946 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 65 transitions. Word has length 9 [2022-12-13 18:11:54,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:54,946 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 65 transitions. [2022-12-13 18:11:54,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:54,947 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2022-12-13 18:11:54,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 18:11:54,947 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:54,947 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:11:54,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:11:54,947 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:54,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:54,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1387099210, now seen corresponding path program 1 times [2022-12-13 18:11:54,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:54,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348344461] [2022-12-13 18:11:54,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:54,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:55,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:55,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:55,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348344461] [2022-12-13 18:11:55,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348344461] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:55,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:55,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:11:55,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735841180] [2022-12-13 18:11:55,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:55,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:11:55,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:55,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:11:55,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:11:55,119 INFO L87 Difference]: Start difference. First operand 50 states and 65 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:55,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:55,171 INFO L93 Difference]: Finished difference Result 112 states and 146 transitions. [2022-12-13 18:11:55,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:11:55,172 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) Word has length 9 [2022-12-13 18:11:55,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:55,172 INFO L225 Difference]: With dead ends: 112 [2022-12-13 18:11:55,172 INFO L226 Difference]: Without dead ends: 111 [2022-12-13 18:11:55,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:11:55,173 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 40 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:55,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 97 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:11:55,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-12-13 18:11:55,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 86. [2022-12-13 18:11:55,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 78 states have (on average 1.5128205128205128) internal successors, (118), 85 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:55,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 118 transitions. [2022-12-13 18:11:55,180 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 118 transitions. Word has length 9 [2022-12-13 18:11:55,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:55,180 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 118 transitions. [2022-12-13 18:11:55,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:55,180 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 118 transitions. [2022-12-13 18:11:55,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 18:11:55,181 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:55,181 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:11:55,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:11:55,181 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:55,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:55,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1159982034, now seen corresponding path program 1 times [2022-12-13 18:11:55,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:55,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297142887] [2022-12-13 18:11:55,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:55,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:55,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:55,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:55,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297142887] [2022-12-13 18:11:55,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297142887] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:55,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:55,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:11:55,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100801540] [2022-12-13 18:11:55,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:55,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:11:55,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:55,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:11:55,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:11:55,245 INFO L87 Difference]: Start difference. First operand 86 states and 118 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:55,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:55,303 INFO L93 Difference]: Finished difference Result 241 states and 331 transitions. [2022-12-13 18:11:55,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:11:55,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) Word has length 10 [2022-12-13 18:11:55,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:55,305 INFO L225 Difference]: With dead ends: 241 [2022-12-13 18:11:55,305 INFO L226 Difference]: Without dead ends: 157 [2022-12-13 18:11:55,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:11:55,307 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 56 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:55,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 109 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:11:55,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-12-13 18:11:55,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 60. [2022-12-13 18:11:55,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 53 states have (on average 1.490566037735849) internal successors, (79), 59 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:55,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 79 transitions. [2022-12-13 18:11:55,313 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 79 transitions. Word has length 10 [2022-12-13 18:11:55,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:55,314 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 79 transitions. [2022-12-13 18:11:55,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:55,314 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2022-12-13 18:11:55,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 18:11:55,314 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:55,314 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:11:55,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 18:11:55,314 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:55,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:55,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1568206898, now seen corresponding path program 1 times [2022-12-13 18:11:55,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:55,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118217278] [2022-12-13 18:11:55,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:55,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:55,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:55,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:55,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118217278] [2022-12-13 18:11:55,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118217278] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:55,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:55,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:11:55,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039405608] [2022-12-13 18:11:55,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:55,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:11:55,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:55,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:11:55,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:11:55,351 INFO L87 Difference]: Start difference. First operand 60 states and 79 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:55,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:55,381 INFO L93 Difference]: Finished difference Result 132 states and 173 transitions. [2022-12-13 18:11:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:11:55,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) Word has length 11 [2022-12-13 18:11:55,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:55,382 INFO L225 Difference]: With dead ends: 132 [2022-12-13 18:11:55,382 INFO L226 Difference]: Without dead ends: 56 [2022-12-13 18:11:55,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:11:55,383 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 11 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:55,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 115 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:11:55,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-12-13 18:11:55,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-12-13 18:11:55,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 55 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:55,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 68 transitions. [2022-12-13 18:11:55,386 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 68 transitions. Word has length 11 [2022-12-13 18:11:55,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:55,387 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 68 transitions. [2022-12-13 18:11:55,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:55,387 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2022-12-13 18:11:55,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 18:11:55,387 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:55,387 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:11:55,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 18:11:55,387 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:55,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:55,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1599754246, now seen corresponding path program 1 times [2022-12-13 18:11:55,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:55,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547852977] [2022-12-13 18:11:55,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:55,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:55,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:55,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:55,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547852977] [2022-12-13 18:11:55,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547852977] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:55,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:55,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 18:11:55,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766206052] [2022-12-13 18:11:55,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:55,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:11:55,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:55,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:11:55,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:11:55,518 INFO L87 Difference]: Start difference. First operand 56 states and 68 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:55,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:55,664 INFO L93 Difference]: Finished difference Result 91 states and 101 transitions. [2022-12-13 18:11:55,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 18:11:55,664 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 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) Word has length 11 [2022-12-13 18:11:55,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:55,665 INFO L225 Difference]: With dead ends: 91 [2022-12-13 18:11:55,665 INFO L226 Difference]: Without dead ends: 90 [2022-12-13 18:11:55,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-12-13 18:11:55,666 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 102 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:55,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 94 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:11:55,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-12-13 18:11:55,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 69. [2022-12-13 18:11:55,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 68 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:55,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 84 transitions. [2022-12-13 18:11:55,673 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 84 transitions. Word has length 11 [2022-12-13 18:11:55,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:55,673 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 84 transitions. [2022-12-13 18:11:55,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:55,674 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 84 transitions. [2022-12-13 18:11:55,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 18:11:55,674 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:55,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:11:55,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 18:11:55,675 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:55,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:55,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1947225999, now seen corresponding path program 1 times [2022-12-13 18:11:55,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:55,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149462] [2022-12-13 18:11:55,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:55,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:55,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:55,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:55,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149462] [2022-12-13 18:11:55,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149462] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:55,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:55,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 18:11:55,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463245476] [2022-12-13 18:11:55,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:55,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:11:55,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:55,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:11:55,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:11:55,789 INFO L87 Difference]: Start difference. First operand 69 states and 84 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:55,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:55,940 INFO L93 Difference]: Finished difference Result 87 states and 100 transitions. [2022-12-13 18:11:55,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 18:11:55,940 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 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) Word has length 12 [2022-12-13 18:11:55,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:55,941 INFO L225 Difference]: With dead ends: 87 [2022-12-13 18:11:55,941 INFO L226 Difference]: Without dead ends: 86 [2022-12-13 18:11:55,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-12-13 18:11:55,942 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 63 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:55,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 88 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:11:55,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-12-13 18:11:55,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 69. [2022-12-13 18:11:55,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 68 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:55,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 82 transitions. [2022-12-13 18:11:55,948 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 82 transitions. Word has length 12 [2022-12-13 18:11:55,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:55,948 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 82 transitions. [2022-12-13 18:11:55,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:55,948 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 82 transitions. [2022-12-13 18:11:55,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 18:11:55,949 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:55,949 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:11:55,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 18:11:55,949 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:55,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:55,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1694214290, now seen corresponding path program 1 times [2022-12-13 18:11:55,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:55,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306431282] [2022-12-13 18:11:55,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:55,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:56,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:56,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:56,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306431282] [2022-12-13 18:11:56,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306431282] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:56,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:56,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 18:11:56,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485378463] [2022-12-13 18:11:56,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:56,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:11:56,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:56,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:11:56,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:11:56,070 INFO L87 Difference]: Start difference. First operand 69 states and 82 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:56,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:56,213 INFO L93 Difference]: Finished difference Result 70 states and 82 transitions. [2022-12-13 18:11:56,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:11:56,213 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 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) Word has length 13 [2022-12-13 18:11:56,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:56,214 INFO L225 Difference]: With dead ends: 70 [2022-12-13 18:11:56,214 INFO L226 Difference]: Without dead ends: 69 [2022-12-13 18:11:56,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:11:56,215 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 29 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:56,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 113 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:11:56,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-12-13 18:11:56,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-12-13 18:11:56,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 68 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:56,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 80 transitions. [2022-12-13 18:11:56,220 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 80 transitions. Word has length 13 [2022-12-13 18:11:56,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:56,220 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 80 transitions. [2022-12-13 18:11:56,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:56,221 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2022-12-13 18:11:56,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 18:11:56,221 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:56,221 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:11:56,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 18:11:56,221 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:56,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:56,222 INFO L85 PathProgramCache]: Analyzing trace with hash -981035365, now seen corresponding path program 1 times [2022-12-13 18:11:56,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:56,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644620486] [2022-12-13 18:11:56,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:56,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:56,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:56,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:56,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644620486] [2022-12-13 18:11:56,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644620486] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:56,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:56,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 18:11:56,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40141514] [2022-12-13 18:11:56,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:56,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:11:56,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:56,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:11:56,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:11:56,405 INFO L87 Difference]: Start difference. First operand 69 states and 80 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:56,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:56,508 INFO L93 Difference]: Finished difference Result 108 states and 125 transitions. [2022-12-13 18:11:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 18:11:56,508 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 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) Word has length 14 [2022-12-13 18:11:56,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:56,508 INFO L225 Difference]: With dead ends: 108 [2022-12-13 18:11:56,509 INFO L226 Difference]: Without dead ends: 107 [2022-12-13 18:11:56,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2022-12-13 18:11:56,509 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 78 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:56,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 103 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:11:56,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-12-13 18:11:56,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 68. [2022-12-13 18:11:56,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 67 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:56,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2022-12-13 18:11:56,513 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 14 [2022-12-13 18:11:56,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:56,513 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2022-12-13 18:11:56,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:56,513 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2022-12-13 18:11:56,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 18:11:56,514 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:56,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:11:56,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 18:11:56,514 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:56,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:56,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1981516964, now seen corresponding path program 1 times [2022-12-13 18:11:56,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:56,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606753376] [2022-12-13 18:11:56,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:56,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:56,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:56,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606753376] [2022-12-13 18:11:56,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606753376] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:56,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:56,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:11:56,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435029290] [2022-12-13 18:11:56,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:56,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:11:56,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:56,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:11:56,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:11:56,557 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:56,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:56,596 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions. [2022-12-13 18:11:56,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:11:56,596 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) Word has length 15 [2022-12-13 18:11:56,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:56,597 INFO L225 Difference]: With dead ends: 76 [2022-12-13 18:11:56,597 INFO L226 Difference]: Without dead ends: 75 [2022-12-13 18:11:56,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:11:56,598 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 25 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:56,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 61 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:11:56,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-12-13 18:11:56,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 69. [2022-12-13 18:11:56,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 63 states have (on average 1.253968253968254) internal successors, (79), 68 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:56,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 79 transitions. [2022-12-13 18:11:56,602 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 79 transitions. Word has length 15 [2022-12-13 18:11:56,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:56,603 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 79 transitions. [2022-12-13 18:11:56,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:56,603 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2022-12-13 18:11:56,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 18:11:56,603 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:56,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:11:56,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 18:11:56,603 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:56,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:56,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1297483828, now seen corresponding path program 1 times [2022-12-13 18:11:56,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:56,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264559865] [2022-12-13 18:11:56,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:56,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:56,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:56,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264559865] [2022-12-13 18:11:56,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264559865] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:56,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:56,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:11:56,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128665512] [2022-12-13 18:11:56,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:56,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:11:56,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:56,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:11:56,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:11:56,837 INFO L87 Difference]: Start difference. First operand 69 states and 79 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:56,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:56,859 INFO L93 Difference]: Finished difference Result 69 states and 79 transitions. [2022-12-13 18:11:56,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:11:56,860 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) Word has length 16 [2022-12-13 18:11:56,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:56,860 INFO L225 Difference]: With dead ends: 69 [2022-12-13 18:11:56,860 INFO L226 Difference]: Without dead ends: 68 [2022-12-13 18:11:56,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:11:56,861 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 46 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:56,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 38 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:11:56,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-12-13 18:11:56,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-12-13 18:11:56,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 63 states have (on average 1.2380952380952381) internal successors, (78), 67 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:56,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2022-12-13 18:11:56,866 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 16 [2022-12-13 18:11:56,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:56,866 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2022-12-13 18:11:56,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:56,866 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2022-12-13 18:11:56,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 18:11:56,867 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:56,867 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:11:56,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 18:11:56,867 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:56,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:56,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1297489818, now seen corresponding path program 1 times [2022-12-13 18:11:56,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:56,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293445761] [2022-12-13 18:11:56,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:56,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:56,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:56,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:56,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293445761] [2022-12-13 18:11:56,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293445761] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:56,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:56,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:11:56,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091963358] [2022-12-13 18:11:56,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:56,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 18:11:56,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:56,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 18:11:56,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:11:56,979 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:57,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:57,167 INFO L93 Difference]: Finished difference Result 122 states and 138 transitions. [2022-12-13 18:11:57,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 18:11:57,167 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 8 states have internal predecessors, (16), 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) Word has length 16 [2022-12-13 18:11:57,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:57,168 INFO L225 Difference]: With dead ends: 122 [2022-12-13 18:11:57,168 INFO L226 Difference]: Without dead ends: 121 [2022-12-13 18:11:57,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2022-12-13 18:11:57,169 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 65 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:57,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 156 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:11:57,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-12-13 18:11:57,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 67. [2022-12-13 18:11:57,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 63 states have (on average 1.2222222222222223) internal successors, (77), 66 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:57,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 77 transitions. [2022-12-13 18:11:57,173 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 77 transitions. Word has length 16 [2022-12-13 18:11:57,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:57,173 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 77 transitions. [2022-12-13 18:11:57,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:57,173 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2022-12-13 18:11:57,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 18:11:57,174 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:57,174 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:11:57,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 18:11:57,174 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:57,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:57,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1227971096, now seen corresponding path program 1 times [2022-12-13 18:11:57,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:57,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431905927] [2022-12-13 18:11:57,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:57,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:57,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:57,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:57,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431905927] [2022-12-13 18:11:57,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431905927] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:57,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:57,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:11:57,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969884520] [2022-12-13 18:11:57,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:57,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:11:57,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:57,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:11:57,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:11:57,229 INFO L87 Difference]: Start difference. First operand 67 states and 77 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:57,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:57,259 INFO L93 Difference]: Finished difference Result 136 states and 157 transitions. [2022-12-13 18:11:57,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:11:57,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) Word has length 17 [2022-12-13 18:11:57,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:57,260 INFO L225 Difference]: With dead ends: 136 [2022-12-13 18:11:57,260 INFO L226 Difference]: Without dead ends: 99 [2022-12-13 18:11:57,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:11:57,260 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 25 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:57,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 81 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:11:57,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-12-13 18:11:57,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2022-12-13 18:11:57,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 92 states have (on average 1.173913043478261) internal successors, (108), 94 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:57,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2022-12-13 18:11:57,264 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 17 [2022-12-13 18:11:57,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:57,264 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2022-12-13 18:11:57,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:57,264 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2022-12-13 18:11:57,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 18:11:57,265 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:57,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:11:57,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 18:11:57,265 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:57,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:57,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1567478791, now seen corresponding path program 1 times [2022-12-13 18:11:57,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:57,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092489218] [2022-12-13 18:11:57,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:57,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:57,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:57,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:57,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092489218] [2022-12-13 18:11:57,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092489218] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:57,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:57,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 18:11:57,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062422839] [2022-12-13 18:11:57,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:57,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:11:57,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:57,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:11:57,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:11:57,348 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:57,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:57,444 INFO L93 Difference]: Finished difference Result 132 states and 148 transitions. [2022-12-13 18:11:57,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 18:11:57,444 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 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) Word has length 17 [2022-12-13 18:11:57,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:57,445 INFO L225 Difference]: With dead ends: 132 [2022-12-13 18:11:57,445 INFO L226 Difference]: Without dead ends: 131 [2022-12-13 18:11:57,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:11:57,446 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 43 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:57,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 95 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:11:57,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-12-13 18:11:57,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2022-12-13 18:11:57,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 111 states have (on average 1.1801801801801801) internal successors, (131), 113 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:57,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2022-12-13 18:11:57,451 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 17 [2022-12-13 18:11:57,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:57,451 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2022-12-13 18:11:57,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:57,451 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2022-12-13 18:11:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 18:11:57,451 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:57,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:11:57,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 18:11:57,452 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:57,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:57,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1035594629, now seen corresponding path program 1 times [2022-12-13 18:11:57,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:57,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199159883] [2022-12-13 18:11:57,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:57,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:57,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:57,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:57,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199159883] [2022-12-13 18:11:57,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199159883] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:57,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:57,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:11:57,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344009863] [2022-12-13 18:11:57,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:57,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:11:57,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:57,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:11:57,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:11:57,576 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:57,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:57,617 INFO L93 Difference]: Finished difference Result 114 states and 131 transitions. [2022-12-13 18:11:57,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:11:57,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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) Word has length 19 [2022-12-13 18:11:57,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:57,619 INFO L225 Difference]: With dead ends: 114 [2022-12-13 18:11:57,619 INFO L226 Difference]: Without dead ends: 113 [2022-12-13 18:11:57,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:11:57,619 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 17 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:57,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 50 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:11:57,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-12-13 18:11:57,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 94. [2022-12-13 18:11:57,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:57,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2022-12-13 18:11:57,623 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 19 [2022-12-13 18:11:57,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:57,623 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2022-12-13 18:11:57,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:57,624 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2022-12-13 18:11:57,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 18:11:57,624 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:57,624 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:11:57,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 18:11:57,624 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:57,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:57,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1066462104, now seen corresponding path program 1 times [2022-12-13 18:11:57,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:57,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846209589] [2022-12-13 18:11:57,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:57,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:57,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:57,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:57,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846209589] [2022-12-13 18:11:57,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846209589] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:57,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:57,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:11:57,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228701421] [2022-12-13 18:11:57,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:57,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:11:57,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:57,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:11:57,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:11:57,709 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:57,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:57,780 INFO L93 Difference]: Finished difference Result 141 states and 161 transitions. [2022-12-13 18:11:57,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:11:57,780 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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) Word has length 23 [2022-12-13 18:11:57,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:57,781 INFO L225 Difference]: With dead ends: 141 [2022-12-13 18:11:57,781 INFO L226 Difference]: Without dead ends: 140 [2022-12-13 18:11:57,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:11:57,782 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 25 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:57,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 152 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:11:57,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-12-13 18:11:57,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 111. [2022-12-13 18:11:57,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 109 states have (on average 1.165137614678899) internal successors, (127), 110 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:57,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 127 transitions. [2022-12-13 18:11:57,787 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 127 transitions. Word has length 23 [2022-12-13 18:11:57,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:57,787 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 127 transitions. [2022-12-13 18:11:57,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:57,787 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 127 transitions. [2022-12-13 18:11:57,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 18:11:57,788 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:57,788 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:11:57,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 18:11:57,788 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:57,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:57,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1690745957, now seen corresponding path program 1 times [2022-12-13 18:11:57,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:57,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30265466] [2022-12-13 18:11:57,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:57,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:57,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:57,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:57,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30265466] [2022-12-13 18:11:57,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30265466] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:11:57,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554471572] [2022-12-13 18:11:57,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:57,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:11:57,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:11:57,898 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:11:57,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 18:11:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:57,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-13 18:11:57,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:11:58,299 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 18:11:58,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 34 [2022-12-13 18:11:58,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2022-12-13 18:11:58,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-12-13 18:11:58,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:58,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:11:58,682 INFO L321 Elim1Store]: treesize reduction 8, result has 27.3 percent of original size [2022-12-13 18:11:58,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 36 [2022-12-13 18:11:58,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-12-13 18:11:58,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:58,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554471572] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:11:58,703 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 18:11:58,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 10] total 23 [2022-12-13 18:11:58,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578445581] [2022-12-13 18:11:58,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 18:11:58,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 18:11:58,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:11:58,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 18:11:58,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=452, Unknown=3, NotChecked=0, Total=552 [2022-12-13 18:11:58,705 INFO L87 Difference]: Start difference. First operand 111 states and 127 transitions. Second operand has 24 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 24 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:58,722 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~x_ref~0#1.offset|))) (and (= |c_ULTIMATE.start_test_fun_~y_ref~0#1.offset| 0) (forall ((v_ArrVal_467 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_ArrVal_467) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~x_ref~0#1.offset|) 9223372039002259456))) (< 0 (+ .cse0 9223372039002259456)) (or (forall ((|ULTIMATE.start_test_fun_~y_ref~0#1.base| Int) (v_ArrVal_467 (Array Int Int))) (or (< (+ .cse0 (select (select |c_#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~y_ref~0#1.offset|)) 1) (< 0 (+ (select (select (store |c_#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base| v_ArrVal_467) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~x_ref~0#1.offset|) 9223372039002259456)))) (< 0 .cse0)) (= |c_ULTIMATE.start_test_fun_~x_ref~0#1.offset| 0))) is different from false [2022-12-13 18:11:59,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:59,195 INFO L93 Difference]: Finished difference Result 182 states and 204 transitions. [2022-12-13 18:11:59,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 18:11:59,195 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 24 states have internal predecessors, (68), 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) Word has length 24 [2022-12-13 18:11:59,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:59,196 INFO L225 Difference]: With dead ends: 182 [2022-12-13 18:11:59,196 INFO L226 Difference]: Without dead ends: 181 [2022-12-13 18:11:59,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=449, Invalid=1111, Unknown=4, NotChecked=76, Total=1640 [2022-12-13 18:11:59,197 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 199 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 1 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:59,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 220 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 281 Invalid, 1 Unknown, 1 Unchecked, 0.2s Time] [2022-12-13 18:11:59,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-12-13 18:11:59,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 137. [2022-12-13 18:11:59,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 135 states have (on average 1.1703703703703703) internal successors, (158), 136 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:59,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 158 transitions. [2022-12-13 18:11:59,203 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 158 transitions. Word has length 24 [2022-12-13 18:11:59,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:59,203 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 158 transitions. [2022-12-13 18:11:59,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 24 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:11:59,203 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 158 transitions. [2022-12-13 18:11:59,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 18:11:59,204 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:59,204 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:11:59,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:11:59,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:11:59,406 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:11:59,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:59,407 INFO L85 PathProgramCache]: Analyzing trace with hash -494367800, now seen corresponding path program 1 times [2022-12-13 18:11:59,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:11:59,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078694463] [2022-12-13 18:11:59,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:59,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:11:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:59,721 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:11:59,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:11:59,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078694463] [2022-12-13 18:11:59,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078694463] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:11:59,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440661699] [2022-12-13 18:11:59,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:59,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:11:59,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:11:59,722 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:11:59,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 18:11:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:59,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-13 18:11:59,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:11:59,966 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-12-13 18:11:59,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 43 [2022-12-13 18:12:00,141 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 18:12:00,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 28 [2022-12-13 18:12:00,166 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:12:00,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:12:00,481 INFO L321 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2022-12-13 18:12:00,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 1 [2022-12-13 18:12:00,483 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:12:00,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440661699] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:12:00,483 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 18:12:00,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 9] total 25 [2022-12-13 18:12:00,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997707878] [2022-12-13 18:12:00,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 18:12:00,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-13 18:12:00,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:12:00,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-13 18:12:00,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=535, Unknown=0, NotChecked=0, Total=650 [2022-12-13 18:12:00,485 INFO L87 Difference]: Start difference. First operand 137 states and 158 transitions. Second operand has 26 states, 25 states have (on average 2.92) internal successors, (73), 26 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:12:02,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:12:02,797 INFO L93 Difference]: Finished difference Result 268 states and 300 transitions. [2022-12-13 18:12:02,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-12-13 18:12:02,797 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 2.92) internal successors, (73), 26 states have internal predecessors, (73), 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) Word has length 25 [2022-12-13 18:12:02,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:12:02,798 INFO L225 Difference]: With dead ends: 268 [2022-12-13 18:12:02,798 INFO L226 Difference]: Without dead ends: 267 [2022-12-13 18:12:02,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1108 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1099, Invalid=3457, Unknown=0, NotChecked=0, Total=4556 [2022-12-13 18:12:02,799 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 446 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 18:12:02,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 458 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 18:12:02,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-12-13 18:12:02,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 108. [2022-12-13 18:12:02,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 106 states have (on average 1.150943396226415) internal successors, (122), 107 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:12:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 122 transitions. [2022-12-13 18:12:02,805 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 122 transitions. Word has length 25 [2022-12-13 18:12:02,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:12:02,805 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 122 transitions. [2022-12-13 18:12:02,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 2.92) internal successors, (73), 26 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:12:02,806 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2022-12-13 18:12:02,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 18:12:02,806 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:12:02,806 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:12:02,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 18:12:03,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:12:03,008 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:12:03,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:12:03,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1171336847, now seen corresponding path program 1 times [2022-12-13 18:12:03,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:12:03,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920918318] [2022-12-13 18:12:03,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:12:03,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:12:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:12:03,201 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:12:03,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:12:03,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920918318] [2022-12-13 18:12:03,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920918318] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:12:03,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571370453] [2022-12-13 18:12:03,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:12:03,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:12:03,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:12:03,203 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:12:03,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 18:12:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:12:03,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-13 18:12:03,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:12:03,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 18:12:03,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-13 18:12:03,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-12-13 18:12:03,368 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:12:03,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:12:03,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2022-12-13 18:12:03,453 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:12:03,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571370453] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:12:03,453 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 18:12:03,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 15 [2022-12-13 18:12:03,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982255054] [2022-12-13 18:12:03,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 18:12:03,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-13 18:12:03,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:12:03,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-13 18:12:03,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=193, Unknown=3, NotChecked=0, Total=240 [2022-12-13 18:12:03,455 INFO L87 Difference]: Start difference. First operand 108 states and 122 transitions. Second operand has 16 states, 15 states have (on average 3.933333333333333) internal successors, (59), 16 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:12:04,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:12:04,040 INFO L93 Difference]: Finished difference Result 234 states and 257 transitions. [2022-12-13 18:12:04,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 18:12:04,040 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.933333333333333) internal successors, (59), 16 states have internal predecessors, (59), 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) Word has length 26 [2022-12-13 18:12:04,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:12:04,040 INFO L225 Difference]: With dead ends: 234 [2022-12-13 18:12:04,040 INFO L226 Difference]: Without dead ends: 233 [2022-12-13 18:12:04,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=406, Invalid=1231, Unknown=3, NotChecked=0, Total=1640 [2022-12-13 18:12:04,041 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 143 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 18:12:04,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 289 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 18:12:04,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-12-13 18:12:04,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 59. [2022-12-13 18:12:04,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 58 states have (on average 1.1379310344827587) internal successors, (66), 58 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:12:04,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2022-12-13 18:12:04,046 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 66 transitions. Word has length 26 [2022-12-13 18:12:04,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:12:04,046 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 66 transitions. [2022-12-13 18:12:04,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.933333333333333) internal successors, (59), 16 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:12:04,046 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2022-12-13 18:12:04,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 18:12:04,047 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:12:04,047 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:12:04,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 18:12:04,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:12:04,248 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 18:12:04,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:12:04,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1853006507, now seen corresponding path program 1 times [2022-12-13 18:12:04,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:12:04,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184714205] [2022-12-13 18:12:04,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:12:04,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:12:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:12:04,441 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:12:04,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:12:04,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184714205] [2022-12-13 18:12:04,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184714205] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:12:04,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750572152] [2022-12-13 18:12:04,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:12:04,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:12:04,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:12:04,442 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:12:04,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 18:12:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:12:04,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 18:12:04,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:12:04,621 INFO L321 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-12-13 18:12:04,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 37 [2022-12-13 18:12:04,761 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-13 18:12:04,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 18 [2022-12-13 18:12:04,780 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:12:04,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:12:05,069 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:12:05,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750572152] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:12:05,069 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 18:12:05,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 29 [2022-12-13 18:12:05,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511022282] [2022-12-13 18:12:05,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 18:12:05,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-12-13 18:12:05,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:12:05,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-12-13 18:12:05,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2022-12-13 18:12:05,071 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. Second operand has 30 states, 29 states have (on average 2.1724137931034484) internal successors, (63), 30 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:12:06,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:12:06,651 INFO L93 Difference]: Finished difference Result 195 states and 211 transitions. [2022-12-13 18:12:06,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-12-13 18:12:06,652 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 2.1724137931034484) internal successors, (63), 30 states have internal predecessors, (63), 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) Word has length 26 [2022-12-13 18:12:06,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:12:06,652 INFO L225 Difference]: With dead ends: 195 [2022-12-13 18:12:06,652 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 18:12:06,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1391 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1268, Invalid=4134, Unknown=0, NotChecked=0, Total=5402 [2022-12-13 18:12:06,655 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 274 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 18:12:06,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 431 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 18:12:06,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 18:12:06,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 18:12:06,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:12:06,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 18:12:06,656 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2022-12-13 18:12:06,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:12:06,656 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:12:06,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 2.1724137931034484) internal successors, (63), 30 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:12:06,657 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:12:06,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 18:12:06,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-12-13 18:12:06,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-12-13 18:12:06,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-12-13 18:12:06,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-12-13 18:12:06,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-12-13 18:12:06,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-12-13 18:12:06,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-12-13 18:12:06,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-12-13 18:12:06,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-12-13 18:12:06,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-12-13 18:12:06,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 18:12:06,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-12-13 18:12:06,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 18:12:08,018 INFO L899 garLoopResultBuilder]: For program point L555-10(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,018 INFO L899 garLoopResultBuilder]: For program point L555-12(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,018 INFO L899 garLoopResultBuilder]: For program point L555-13(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,018 INFO L899 garLoopResultBuilder]: For program point L555-14(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,018 INFO L899 garLoopResultBuilder]: For program point L555-15(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,018 INFO L899 garLoopResultBuilder]: For program point L555-16(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,018 INFO L899 garLoopResultBuilder]: For program point L555-18(lines 555 564) no Hoare annotation was computed. [2022-12-13 18:12:08,018 INFO L899 garLoopResultBuilder]: For program point L555-20(lines 555 564) no Hoare annotation was computed. [2022-12-13 18:12:08,019 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-12-13 18:12:08,019 INFO L899 garLoopResultBuilder]: For program point L560-1(line 560) no Hoare annotation was computed. [2022-12-13 18:12:08,019 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 563) no Hoare annotation was computed. [2022-12-13 18:12:08,019 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 567 569) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|) 2147483647) [2022-12-13 18:12:08,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2022-12-13 18:12:08,019 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 18:12:08,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 18:12:08,019 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-12-13 18:12:08,019 INFO L899 garLoopResultBuilder]: For program point L557-1(line 557) no Hoare annotation was computed. [2022-12-13 18:12:08,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 560) no Hoare annotation was computed. [2022-12-13 18:12:08,019 INFO L895 garLoopResultBuilder]: At program point test_fun_returnLabel#1(lines 547 566) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|) 2147483647) [2022-12-13 18:12:08,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 18:12:08,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 560) no Hoare annotation was computed. [2022-12-13 18:12:08,020 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 18:12:08,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,020 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 562) no Hoare annotation was computed. [2022-12-13 18:12:08,020 INFO L895 garLoopResultBuilder]: At program point L559-2(lines 555 564) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|)) (.cse1 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (<= 0 (+ .cse0 2147483648)) (= |ULTIMATE.start_test_fun_~x_ref~0#1.offset| 0) (forall ((v_ArrVal_467 (Array Int Int))) (< 0 (+ (select (select (store |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base| v_ArrVal_467) |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|) 9223372039002259456))) (= |ULTIMATE.start_test_fun_~y_ref~0#1.offset| 0) (<= .cse1 2147483647) (<= .cse0 2147483647) (<= 0 (+ .cse1 2147483648)))) [2022-12-13 18:12:08,020 INFO L899 garLoopResultBuilder]: For program point L555-1(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,020 INFO L899 garLoopResultBuilder]: For program point L555-2(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2022-12-13 18:12:08,020 INFO L899 garLoopResultBuilder]: For program point L555-3(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,020 INFO L899 garLoopResultBuilder]: For program point L555-5(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,020 INFO L899 garLoopResultBuilder]: For program point L555-6(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,020 INFO L899 garLoopResultBuilder]: For program point L555-8(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,020 INFO L899 garLoopResultBuilder]: For program point L555-9(line 555) no Hoare annotation was computed. [2022-12-13 18:12:08,025 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:12:08,026 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:12:08,036 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_467,QUANTIFIED] [2022-12-13 18:12:08,037 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_467,QUANTIFIED] [2022-12-13 18:12:08,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:12:08 BoogieIcfgContainer [2022-12-13 18:12:08,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:12:08,038 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:12:08,038 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:12:08,039 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:12:08,039 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:11:53" (3/4) ... [2022-12-13 18:12:08,041 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:12:08,049 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-13 18:12:08,049 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 18:12:08,049 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:12:08,049 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:12:08,073 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:12:08,074 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:12:08,074 INFO L158 Benchmark]: Toolchain (without parser) took 14826.27ms. Allocated memory was 123.7MB in the beginning and 180.4MB in the end (delta: 56.6MB). Free memory was 90.1MB in the beginning and 145.9MB in the end (delta: -55.8MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2022-12-13 18:12:08,074 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:12:08,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.50ms. Allocated memory is still 123.7MB. Free memory was 90.1MB in the beginning and 74.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 18:12:08,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.13ms. Allocated memory is still 123.7MB. Free memory was 74.2MB in the beginning and 72.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:12:08,075 INFO L158 Benchmark]: Boogie Preprocessor took 16.62ms. Allocated memory is still 123.7MB. Free memory was 72.1MB in the beginning and 71.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:12:08,075 INFO L158 Benchmark]: RCFGBuilder took 334.44ms. Allocated memory is still 123.7MB. Free memory was 71.0MB in the beginning and 93.5MB in the end (delta: -22.5MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2022-12-13 18:12:08,075 INFO L158 Benchmark]: TraceAbstraction took 14163.08ms. Allocated memory was 123.7MB in the beginning and 180.4MB in the end (delta: 56.6MB). Free memory was 92.8MB in the beginning and 149.1MB in the end (delta: -56.2MB). Peak memory consumption was 107.2MB. Max. memory is 16.1GB. [2022-12-13 18:12:08,075 INFO L158 Benchmark]: Witness Printer took 35.21ms. Allocated memory is still 180.4MB. Free memory was 149.1MB in the beginning and 145.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:12:08,077 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.50ms. Allocated memory is still 123.7MB. Free memory was 90.1MB in the beginning and 74.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.13ms. Allocated memory is still 123.7MB. Free memory was 74.2MB in the beginning and 72.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.62ms. Allocated memory is still 123.7MB. Free memory was 72.1MB in the beginning and 71.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 334.44ms. Allocated memory is still 123.7MB. Free memory was 71.0MB in the beginning and 93.5MB in the end (delta: -22.5MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * TraceAbstraction took 14163.08ms. Allocated memory was 123.7MB in the beginning and 180.4MB in the end (delta: 56.6MB). Free memory was 92.8MB in the beginning and 149.1MB in the end (delta: -56.2MB). Peak memory consumption was 107.2MB. Max. memory is 16.1GB. * Witness Printer took 35.21ms. Allocated memory is still 180.4MB. Free memory was 149.1MB in the beginning and 145.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_467,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_467,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 560]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 560]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 14.1s, OverallIterations: 22, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 1891 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1891 mSDsluCounter, 3105 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1 IncrementalHoareTripleChecker+Unchecked, 2419 mSDsCounter, 94 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3111 IncrementalHoareTripleChecker+Invalid, 3207 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 94 mSolverCounterUnsat, 686 mSDtfsCounter, 3111 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 534 GetRequests, 192 SyntacticMatches, 2 SemanticMatches, 340 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3205 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=19, InterpolantAutomatonStates: 286, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 22 MinimizatonAttempts, 766 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 16 NumberOfFragments, 66 HoareAnnotationTreeSize, 3 FomulaSimplifications, 9125 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 13163 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 433 NumberOfCodeBlocks, 433 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 504 ConstructedInterpolants, 39 QuantifiedInterpolants, 5566 SizeOfPredicates, 51 NumberOfNonLiveVariables, 594 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 30 InterpolantComputations, 18 PerfectInterpolantSequences, 52/91 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 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: unknown-#memory_int-unknown[x_ref][x_ref] <= 2147483647 - InvariantResult [Line: 555]: Loop Invariant [2022-12-13 18:12:08,083 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_467,QUANTIFIED] [2022-12-13 18:12:08,083 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_467,QUANTIFIED] Derived loop invariant: (((((0 <= unknown-#memory_int-unknown[x_ref][x_ref] + 2147483648 && x_ref == 0) && (forall v_ArrVal_467 : [int]int :: 0 < unknown-#memory_int-unknown[y_ref := v_ArrVal_467][x_ref][x_ref] + 9223372039002259456)) && y_ref == 0) && unknown-#memory_int-unknown[y_ref][y_ref] <= 2147483647) && unknown-#memory_int-unknown[x_ref][x_ref] <= 2147483647) && 0 <= unknown-#memory_int-unknown[y_ref][y_ref] + 2147483648 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: unknown-#memory_int-unknown[x_ref][x_ref] <= 2147483647 RESULT: Ultimate proved your program to be correct! [2022-12-13 18:12:08,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb925fd6-e218-4096-a4c3-ea94770ab0f1/bin/uautomizer-uyxdKDjOR8/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