./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/mbpr2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-tiling/mbpr2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a98ea70d5d9f752732070144a56514c68e9571f139726211e2f0ade721d6c5f3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 20:38:41,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 20:38:41,113 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-28 20:38:41,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 20:38:41,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 20:38:41,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 20:38:41,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 20:38:41,147 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 20:38:41,148 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 20:38:41,148 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 20:38:41,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 20:38:41,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 20:38:41,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 20:38:41,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 20:38:41,152 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 20:38:41,153 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 20:38:41,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 20:38:41,154 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 20:38:41,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 20:38:41,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 20:38:41,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 20:38:41,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 20:38:41,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 20:38:41,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 20:38:41,159 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-28 20:38:41,159 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 20:38:41,160 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 20:38:41,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 20:38:41,161 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 20:38:41,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 20:38:41,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 20:38:41,163 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 20:38:41,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 20:38:41,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:38:41,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 20:38:41,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 20:38:41,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 20:38:41,164 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 20:38:41,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 20:38:41,165 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 20:38:41,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 20:38:41,165 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 20:38:41,166 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 20:38:41,166 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 20:38:41,166 INFO L153 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_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a98ea70d5d9f752732070144a56514c68e9571f139726211e2f0ade721d6c5f3 [2023-11-28 20:38:41,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 20:38:41,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 20:38:41,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 20:38:41,436 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 20:38:41,437 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 20:38:41,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/array-tiling/mbpr2.c [2023-11-28 20:38:44,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 20:38:44,761 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 20:38:44,762 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/sv-benchmarks/c/array-tiling/mbpr2.c [2023-11-28 20:38:44,770 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/data/19634c9b2/e78ec5f9892f4ba985696337a2ec3b5c/FLAG32e896c7b [2023-11-28 20:38:44,785 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/data/19634c9b2/e78ec5f9892f4ba985696337a2ec3b5c [2023-11-28 20:38:44,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 20:38:44,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 20:38:44,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 20:38:44,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 20:38:44,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 20:38:44,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:38:44" (1/1) ... [2023-11-28 20:38:44,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b6d98b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:44, skipping insertion in model container [2023-11-28 20:38:44,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:38:44" (1/1) ... [2023-11-28 20:38:44,828 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 20:38:45,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:38:45,015 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 20:38:45,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:38:45,059 INFO L206 MainTranslator]: Completed translation [2023-11-28 20:38:45,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:45 WrapperNode [2023-11-28 20:38:45,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 20:38:45,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 20:38:45,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 20:38:45,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 20:38:45,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:45" (1/1) ... [2023-11-28 20:38:45,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:45" (1/1) ... [2023-11-28 20:38:45,114 INFO L138 Inliner]: procedures = 15, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 135 [2023-11-28 20:38:45,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 20:38:45,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 20:38:45,116 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 20:38:45,116 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 20:38:45,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:45" (1/1) ... [2023-11-28 20:38:45,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:45" (1/1) ... [2023-11-28 20:38:45,130 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:45" (1/1) ... [2023-11-28 20:38:45,143 INFO L175 MemorySlicer]: Split 20 memory accesses to 3 slices as follows [2, 8, 10]. 50 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8, 0]. The 6 writes are split as follows [0, 0, 6]. [2023-11-28 20:38:45,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:45" (1/1) ... [2023-11-28 20:38:45,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:45" (1/1) ... [2023-11-28 20:38:45,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:45" (1/1) ... [2023-11-28 20:38:45,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:45" (1/1) ... [2023-11-28 20:38:45,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:45" (1/1) ... [2023-11-28 20:38:45,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:45" (1/1) ... [2023-11-28 20:38:45,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 20:38:45,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 20:38:45,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 20:38:45,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 20:38:45,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:45" (1/1) ... [2023-11-28 20:38:45,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:38:45,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:38:45,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 20:38:45,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 20:38:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 20:38:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 20:38:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-28 20:38:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-28 20:38:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-28 20:38:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-28 20:38:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-28 20:38:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-28 20:38:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 20:38:45,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 20:38:45,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-28 20:38:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-28 20:38:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-28 20:38:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-28 20:38:45,348 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 20:38:45,351 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 20:38:45,701 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 20:38:45,735 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 20:38:45,735 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-28 20:38:45,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:38:45 BoogieIcfgContainer [2023-11-28 20:38:45,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 20:38:45,740 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 20:38:45,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 20:38:45,743 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 20:38:45,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:38:44" (1/3) ... [2023-11-28 20:38:45,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbc9dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:38:45, skipping insertion in model container [2023-11-28 20:38:45,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:45" (2/3) ... [2023-11-28 20:38:45,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbc9dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:38:45, skipping insertion in model container [2023-11-28 20:38:45,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:38:45" (3/3) ... [2023-11-28 20:38:45,746 INFO L112 eAbstractionObserver]: Analyzing ICFG mbpr2.c [2023-11-28 20:38:45,764 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 20:38:45,764 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2023-11-28 20:38:45,819 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 20:38:45,826 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=LoopHeads, 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;@3f4be554, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 20:38:45,827 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2023-11-28 20:38:45,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 61 states have (on average 1.901639344262295) internal successors, (116), 103 states have internal predecessors, (116), 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) [2023-11-28 20:38:45,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-28 20:38:45,837 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:45,838 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-28 20:38:45,839 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-28 20:38:45,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:45,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1922487027, now seen corresponding path program 1 times [2023-11-28 20:38:45,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:45,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630650828] [2023-11-28 20:38:45,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:45,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:46,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:38:46,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:46,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630650828] [2023-11-28 20:38:46,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630650828] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:38:46,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:38:46,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:38:46,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85268699] [2023-11-28 20:38:46,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:38:46,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-28 20:38:46,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:46,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 20:38:46,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 20:38:46,076 INFO L87 Difference]: Start difference. First operand has 104 states, 61 states have (on average 1.901639344262295) internal successors, (116), 103 states have internal predecessors, (116), 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 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2023-11-28 20:38:46,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:46,117 INFO L93 Difference]: Finished difference Result 204 states and 225 transitions. [2023-11-28 20:38:46,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 20:38:46,120 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 [2023-11-28 20:38:46,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:46,154 INFO L225 Difference]: With dead ends: 204 [2023-11-28 20:38:46,155 INFO L226 Difference]: Without dead ends: 100 [2023-11-28 20:38:46,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 20:38:46,163 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:46,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:38:46,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-28 20:38:46,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2023-11-28 20:38:46,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 58 states have (on average 1.8103448275862069) internal successors, (105), 99 states have internal predecessors, (105), 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) [2023-11-28 20:38:46,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 105 transitions. [2023-11-28 20:38:46,212 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 105 transitions. Word has length 6 [2023-11-28 20:38:46,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:46,213 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 105 transitions. [2023-11-28 20:38:46,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2023-11-28 20:38:46,213 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 105 transitions. [2023-11-28 20:38:46,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-28 20:38:46,214 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:46,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-28 20:38:46,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-28 20:38:46,215 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-28 20:38:46,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:46,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1922488949, now seen corresponding path program 1 times [2023-11-28 20:38:46,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:46,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877033353] [2023-11-28 20:38:46,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:46,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:46,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:38:46,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:46,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877033353] [2023-11-28 20:38:46,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877033353] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:38:46,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:38:46,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:38:46,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304841987] [2023-11-28 20:38:46,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:38:46,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:38:46,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:46,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:38:46,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:38:46,433 INFO L87 Difference]: Start difference. First operand 100 states and 105 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) [2023-11-28 20:38:46,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:46,485 INFO L93 Difference]: Finished difference Result 100 states and 105 transitions. [2023-11-28 20:38:46,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:38:46,486 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 [2023-11-28 20:38:46,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:46,488 INFO L225 Difference]: With dead ends: 100 [2023-11-28 20:38:46,488 INFO L226 Difference]: Without dead ends: 98 [2023-11-28 20:38:46,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:38:46,490 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 196 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:46,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 87 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:38:46,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-28 20:38:46,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2023-11-28 20:38:46,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 58 states have (on average 1.7758620689655173) internal successors, (103), 97 states have internal predecessors, (103), 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) [2023-11-28 20:38:46,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 103 transitions. [2023-11-28 20:38:46,503 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 103 transitions. Word has length 6 [2023-11-28 20:38:46,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:46,504 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 103 transitions. [2023-11-28 20:38:46,504 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) [2023-11-28 20:38:46,504 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 103 transitions. [2023-11-28 20:38:46,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-28 20:38:46,505 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:46,505 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:46,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-28 20:38:46,506 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-28 20:38:46,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:46,507 INFO L85 PathProgramCache]: Analyzing trace with hash -532384671, now seen corresponding path program 1 times [2023-11-28 20:38:46,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:46,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199843672] [2023-11-28 20:38:46,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:46,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:46,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:38:46,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:46,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199843672] [2023-11-28 20:38:46,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199843672] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:38:46,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:38:46,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:38:46,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156383220] [2023-11-28 20:38:46,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:38:46,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:38:46,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:46,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:38:46,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:38:46,761 INFO L87 Difference]: Start difference. First operand 98 states and 103 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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) [2023-11-28 20:38:46,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:46,814 INFO L93 Difference]: Finished difference Result 98 states and 103 transitions. [2023-11-28 20:38:46,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:38:46,814 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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 7 [2023-11-28 20:38:46,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:46,815 INFO L225 Difference]: With dead ends: 98 [2023-11-28 20:38:46,816 INFO L226 Difference]: Without dead ends: 96 [2023-11-28 20:38:46,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:38:46,817 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 287 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:46,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 86 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:38:46,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-28 20:38:46,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-11-28 20:38:46,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 58 states have (on average 1.7413793103448276) internal successors, (101), 95 states have internal predecessors, (101), 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) [2023-11-28 20:38:46,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 101 transitions. [2023-11-28 20:38:46,829 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 101 transitions. Word has length 7 [2023-11-28 20:38:46,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:46,830 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 101 transitions. [2023-11-28 20:38:46,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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) [2023-11-28 20:38:46,830 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 101 transitions. [2023-11-28 20:38:46,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-28 20:38:46,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:46,831 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:46,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-28 20:38:46,832 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-28 20:38:46,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:46,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1042549052, now seen corresponding path program 1 times [2023-11-28 20:38:46,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:46,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835222127] [2023-11-28 20:38:46,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:46,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:46,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:38:46,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:46,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835222127] [2023-11-28 20:38:46,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835222127] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:38:46,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:38:46,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:38:46,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391366158] [2023-11-28 20:38:46,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:38:46,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:38:46,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:46,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:38:46,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:38:46,896 INFO L87 Difference]: Start difference. First operand 96 states and 101 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2023-11-28 20:38:47,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:47,093 INFO L93 Difference]: Finished difference Result 178 states and 187 transitions. [2023-11-28 20:38:47,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:38:47,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 [2023-11-28 20:38:47,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:47,096 INFO L225 Difference]: With dead ends: 178 [2023-11-28 20:38:47,096 INFO L226 Difference]: Without dead ends: 146 [2023-11-28 20:38:47,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:38:47,098 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 46 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:47,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 85 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 20:38:47,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-28 20:38:47,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 136. [2023-11-28 20:38:47,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 98 states have (on average 1.4795918367346939) internal successors, (145), 135 states have internal predecessors, (145), 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) [2023-11-28 20:38:47,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 145 transitions. [2023-11-28 20:38:47,113 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 145 transitions. Word has length 10 [2023-11-28 20:38:47,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:47,114 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 145 transitions. [2023-11-28 20:38:47,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2023-11-28 20:38:47,114 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 145 transitions. [2023-11-28 20:38:47,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-28 20:38:47,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:47,116 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:47,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-28 20:38:47,116 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-28 20:38:47,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:47,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1652005026, now seen corresponding path program 1 times [2023-11-28 20:38:47,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:47,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942074880] [2023-11-28 20:38:47,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:47,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:47,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:38:47,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:47,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942074880] [2023-11-28 20:38:47,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942074880] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:38:47,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:38:47,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:38:47,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524007369] [2023-11-28 20:38:47,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:38:47,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:38:47,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:47,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:38:47,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:38:47,212 INFO L87 Difference]: Start difference. First operand 136 states and 145 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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) [2023-11-28 20:38:47,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:47,334 INFO L93 Difference]: Finished difference Result 145 states and 155 transitions. [2023-11-28 20:38:47,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:38:47,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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 [2023-11-28 20:38:47,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:47,335 INFO L225 Difference]: With dead ends: 145 [2023-11-28 20:38:47,335 INFO L226 Difference]: Without dead ends: 143 [2023-11-28 20:38:47,335 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 [2023-11-28 20:38:47,337 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 4 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:47,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 206 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:38:47,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-28 20:38:47,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2023-11-28 20:38:47,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 105 states have (on average 1.457142857142857) internal successors, (153), 142 states have internal predecessors, (153), 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) [2023-11-28 20:38:47,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 153 transitions. [2023-11-28 20:38:47,348 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 153 transitions. Word has length 19 [2023-11-28 20:38:47,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:47,348 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 153 transitions. [2023-11-28 20:38:47,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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) [2023-11-28 20:38:47,349 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 153 transitions. [2023-11-28 20:38:47,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-28 20:38:47,350 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:47,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:47,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-28 20:38:47,350 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-28 20:38:47,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:47,351 INFO L85 PathProgramCache]: Analyzing trace with hash 636784931, now seen corresponding path program 1 times [2023-11-28 20:38:47,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:47,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022248139] [2023-11-28 20:38:47,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:47,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:47,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:38:47,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:47,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022248139] [2023-11-28 20:38:47,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022248139] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:38:47,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:38:47,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:38:47,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690692442] [2023-11-28 20:38:47,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:38:47,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:38:47,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:47,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:38:47,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:38:47,423 INFO L87 Difference]: Start difference. First operand 143 states and 153 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2023-11-28 20:38:47,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:47,582 INFO L93 Difference]: Finished difference Result 153 states and 163 transitions. [2023-11-28 20:38:47,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:38:47,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 22 [2023-11-28 20:38:47,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:47,583 INFO L225 Difference]: With dead ends: 153 [2023-11-28 20:38:47,584 INFO L226 Difference]: Without dead ends: 151 [2023-11-28 20:38:47,584 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 [2023-11-28 20:38:47,585 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 34 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:47,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 142 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:38:47,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-28 20:38:47,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 145. [2023-11-28 20:38:47,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 107 states have (on average 1.4485981308411215) internal successors, (155), 144 states have internal predecessors, (155), 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) [2023-11-28 20:38:47,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 155 transitions. [2023-11-28 20:38:47,595 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 155 transitions. Word has length 22 [2023-11-28 20:38:47,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:47,596 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 155 transitions. [2023-11-28 20:38:47,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2023-11-28 20:38:47,596 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 155 transitions. [2023-11-28 20:38:47,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-28 20:38:47,597 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:47,597 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:47,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-28 20:38:47,598 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-28 20:38:47,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:47,598 INFO L85 PathProgramCache]: Analyzing trace with hash -58332096, now seen corresponding path program 1 times [2023-11-28 20:38:47,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:47,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231047014] [2023-11-28 20:38:47,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:47,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-28 20:38:47,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:47,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231047014] [2023-11-28 20:38:47,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231047014] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:38:47,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:38:47,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:38:47,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815658192] [2023-11-28 20:38:47,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:38:47,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:38:47,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:47,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:38:47,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:38:47,718 INFO L87 Difference]: Start difference. First operand 145 states and 155 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2023-11-28 20:38:47,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:47,876 INFO L93 Difference]: Finished difference Result 227 states and 243 transitions. [2023-11-28 20:38:47,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:38:47,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 [2023-11-28 20:38:47,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:47,878 INFO L225 Difference]: With dead ends: 227 [2023-11-28 20:38:47,878 INFO L226 Difference]: Without dead ends: 149 [2023-11-28 20:38:47,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:38:47,880 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 180 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:47,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 74 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:38:47,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-28 20:38:47,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 145. [2023-11-28 20:38:47,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 107 states have (on average 1.4299065420560748) internal successors, (153), 144 states have internal predecessors, (153), 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) [2023-11-28 20:38:47,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 153 transitions. [2023-11-28 20:38:47,889 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 153 transitions. Word has length 26 [2023-11-28 20:38:47,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:47,889 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 153 transitions. [2023-11-28 20:38:47,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2023-11-28 20:38:47,889 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 153 transitions. [2023-11-28 20:38:47,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-28 20:38:47,890 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:47,890 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:47,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-28 20:38:47,890 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-28 20:38:47,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:47,891 INFO L85 PathProgramCache]: Analyzing trace with hash 884427351, now seen corresponding path program 1 times [2023-11-28 20:38:47,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:47,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652775548] [2023-11-28 20:38:47,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:47,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:47,970 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:38:47,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:47,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652775548] [2023-11-28 20:38:47,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652775548] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:38:47,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742821790] [2023-11-28 20:38:47,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:47,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:38:47,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:38:47,972 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:38:47,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-28 20:38:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:48,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:38:48,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:38:48,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:38:48,126 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:38:48,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742821790] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:38:48,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:38:48,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2023-11-28 20:38:48,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867540012] [2023-11-28 20:38:48,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:38:48,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:38:48,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:48,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:38:48,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-28 20:38:48,128 INFO L87 Difference]: Start difference. First operand 145 states and 153 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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) [2023-11-28 20:38:48,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:48,315 INFO L93 Difference]: Finished difference Result 149 states and 157 transitions. [2023-11-28 20:38:48,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:38:48,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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 28 [2023-11-28 20:38:48,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:48,317 INFO L225 Difference]: With dead ends: 149 [2023-11-28 20:38:48,317 INFO L226 Difference]: Without dead ends: 140 [2023-11-28 20:38:48,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-28 20:38:48,319 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 60 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:48,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 130 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 20:38:48,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-28 20:38:48,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2023-11-28 20:38:48,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 107 states have (on average 1.3457943925233644) internal successors, (144), 135 states have internal predecessors, (144), 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) [2023-11-28 20:38:48,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 144 transitions. [2023-11-28 20:38:48,326 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 144 transitions. Word has length 28 [2023-11-28 20:38:48,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:48,327 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 144 transitions. [2023-11-28 20:38:48,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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) [2023-11-28 20:38:48,327 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 144 transitions. [2023-11-28 20:38:48,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-28 20:38:48,328 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:48,328 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:48,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-28 20:38:48,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:38:48,534 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-28 20:38:48,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:48,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1647444171, now seen corresponding path program 1 times [2023-11-28 20:38:48,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:48,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535420724] [2023-11-28 20:38:48,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:48,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:48,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:38:48,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:48,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535420724] [2023-11-28 20:38:48,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535420724] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:38:48,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449940341] [2023-11-28 20:38:48,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:48,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:38:48,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:38:48,628 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:38:48,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-28 20:38:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:48,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:38:48,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:38:48,767 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:38:48,768 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:38:48,835 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:38:48,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449940341] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:38:48,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 20:38:48,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2023-11-28 20:38:48,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440305861] [2023-11-28 20:38:48,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 20:38:48,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-28 20:38:48,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:48,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-28 20:38:48,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:38:48,838 INFO L87 Difference]: Start difference. First operand 136 states and 144 transitions. Second operand has 10 states, 9 states have (on average 8.11111111111111) internal successors, (73), 10 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) [2023-11-28 20:38:49,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:49,120 INFO L93 Difference]: Finished difference Result 175 states and 195 transitions. [2023-11-28 20:38:49,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-28 20:38:49,121 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.11111111111111) internal successors, (73), 10 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 29 [2023-11-28 20:38:49,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:49,123 INFO L225 Difference]: With dead ends: 175 [2023-11-28 20:38:49,123 INFO L226 Difference]: Without dead ends: 160 [2023-11-28 20:38:49,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-28 20:38:49,124 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 181 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:49,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 134 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 20:38:49,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2023-11-28 20:38:49,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 153. [2023-11-28 20:38:49,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 136 states have (on average 1.213235294117647) internal successors, (165), 152 states have internal predecessors, (165), 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) [2023-11-28 20:38:49,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 165 transitions. [2023-11-28 20:38:49,134 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 165 transitions. Word has length 29 [2023-11-28 20:38:49,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:49,134 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 165 transitions. [2023-11-28 20:38:49,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.11111111111111) internal successors, (73), 10 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) [2023-11-28 20:38:49,135 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 165 transitions. [2023-11-28 20:38:49,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-28 20:38:49,137 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:49,137 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:49,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-28 20:38:49,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:38:49,341 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-28 20:38:49,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:49,341 INFO L85 PathProgramCache]: Analyzing trace with hash 89148436, now seen corresponding path program 1 times [2023-11-28 20:38:49,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:49,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090184122] [2023-11-28 20:38:49,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:49,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-28 20:38:49,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:49,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090184122] [2023-11-28 20:38:49,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090184122] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:38:49,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:38:49,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:38:49,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985997751] [2023-11-28 20:38:49,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:38:49,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:38:49,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:49,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:38:49,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:38:49,449 INFO L87 Difference]: Start difference. First operand 153 states and 165 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2023-11-28 20:38:49,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:49,601 INFO L93 Difference]: Finished difference Result 158 states and 170 transitions. [2023-11-28 20:38:49,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:38:49,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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 44 [2023-11-28 20:38:49,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:49,603 INFO L225 Difference]: With dead ends: 158 [2023-11-28 20:38:49,603 INFO L226 Difference]: Without dead ends: 156 [2023-11-28 20:38:49,605 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 [2023-11-28 20:38:49,606 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 30 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:49,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 103 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:38:49,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-11-28 20:38:49,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2023-11-28 20:38:49,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 139 states have (on average 1.20863309352518) internal successors, (168), 155 states have internal predecessors, (168), 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) [2023-11-28 20:38:49,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 168 transitions. [2023-11-28 20:38:49,615 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 168 transitions. Word has length 44 [2023-11-28 20:38:49,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:49,616 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 168 transitions. [2023-11-28 20:38:49,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2023-11-28 20:38:49,616 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 168 transitions. [2023-11-28 20:38:49,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-28 20:38:49,618 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:49,618 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:49,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-28 20:38:49,619 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-28 20:38:49,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:49,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1634321480, now seen corresponding path program 1 times [2023-11-28 20:38:49,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:49,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017008167] [2023-11-28 20:38:49,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:49,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:49,743 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-28 20:38:49,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:49,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017008167] [2023-11-28 20:38:49,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017008167] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:38:49,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087998099] [2023-11-28 20:38:49,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:49,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:38:49,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:38:49,746 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:38:49,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-28 20:38:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:49,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:38:49,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:38:49,902 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-28 20:38:49,902 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:38:49,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087998099] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:38:49,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:38:49,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2023-11-28 20:38:49,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604165101] [2023-11-28 20:38:49,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:38:49,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:38:49,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:49,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:38:49,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-28 20:38:49,905 INFO L87 Difference]: Start difference. First operand 156 states and 168 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 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) [2023-11-28 20:38:50,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:50,131 INFO L93 Difference]: Finished difference Result 156 states and 168 transitions. [2023-11-28 20:38:50,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:38:50,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 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 50 [2023-11-28 20:38:50,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:50,133 INFO L225 Difference]: With dead ends: 156 [2023-11-28 20:38:50,134 INFO L226 Difference]: Without dead ends: 147 [2023-11-28 20:38:50,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-28 20:38:50,135 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 52 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:50,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 98 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 20:38:50,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-28 20:38:50,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2023-11-28 20:38:50,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 139 states have (on average 1.143884892086331) internal successors, (159), 146 states have internal predecessors, (159), 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) [2023-11-28 20:38:50,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 159 transitions. [2023-11-28 20:38:50,146 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 159 transitions. Word has length 50 [2023-11-28 20:38:50,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:50,146 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 159 transitions. [2023-11-28 20:38:50,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 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) [2023-11-28 20:38:50,147 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 159 transitions. [2023-11-28 20:38:50,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-28 20:38:50,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:50,149 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:50,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-28 20:38:50,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:38:50,356 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-28 20:38:50,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:50,357 INFO L85 PathProgramCache]: Analyzing trace with hash -875641536, now seen corresponding path program 1 times [2023-11-28 20:38:50,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:50,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737872029] [2023-11-28 20:38:50,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:50,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:50,505 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-28 20:38:50,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:50,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737872029] [2023-11-28 20:38:50,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737872029] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:38:50,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762428542] [2023-11-28 20:38:50,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:50,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:38:50,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:38:50,507 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:38:50,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-28 20:38:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:50,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:38:50,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:38:50,667 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-28 20:38:50,667 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:38:50,735 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-28 20:38:50,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762428542] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:38:50,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 20:38:50,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2023-11-28 20:38:50,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710098808] [2023-11-28 20:38:50,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 20:38:50,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-28 20:38:50,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:50,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-28 20:38:50,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:38:50,738 INFO L87 Difference]: Start difference. First operand 147 states and 159 transitions. Second operand has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 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) [2023-11-28 20:38:51,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:51,004 INFO L93 Difference]: Finished difference Result 182 states and 200 transitions. [2023-11-28 20:38:51,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-28 20:38:51,004 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 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 51 [2023-11-28 20:38:51,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:51,006 INFO L225 Difference]: With dead ends: 182 [2023-11-28 20:38:51,006 INFO L226 Difference]: Without dead ends: 179 [2023-11-28 20:38:51,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-28 20:38:51,007 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 94 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:51,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 155 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 20:38:51,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-11-28 20:38:51,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 177. [2023-11-28 20:38:51,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 169 states have (on average 1.1420118343195267) internal successors, (193), 176 states have internal predecessors, (193), 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) [2023-11-28 20:38:51,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 193 transitions. [2023-11-28 20:38:51,015 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 193 transitions. Word has length 51 [2023-11-28 20:38:51,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:51,015 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 193 transitions. [2023-11-28 20:38:51,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 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) [2023-11-28 20:38:51,016 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 193 transitions. [2023-11-28 20:38:51,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-28 20:38:51,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:51,017 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:51,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-28 20:38:51,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:38:51,221 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-28 20:38:51,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:51,221 INFO L85 PathProgramCache]: Analyzing trace with hash -539258386, now seen corresponding path program 1 times [2023-11-28 20:38:51,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:51,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857471332] [2023-11-28 20:38:51,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:51,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:51,287 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-28 20:38:51,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:51,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857471332] [2023-11-28 20:38:51,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857471332] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:38:51,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:38:51,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:38:51,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231741865] [2023-11-28 20:38:51,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:38:51,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:38:51,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:51,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:38:51,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:38:51,289 INFO L87 Difference]: Start difference. First operand 177 states and 193 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2023-11-28 20:38:51,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:51,380 INFO L93 Difference]: Finished difference Result 177 states and 193 transitions. [2023-11-28 20:38:51,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:38:51,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 59 [2023-11-28 20:38:51,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:51,382 INFO L225 Difference]: With dead ends: 177 [2023-11-28 20:38:51,382 INFO L226 Difference]: Without dead ends: 176 [2023-11-28 20:38:51,382 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 [2023-11-28 20:38:51,383 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 42 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:51,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 76 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:38:51,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-11-28 20:38:51,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2023-11-28 20:38:51,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 169 states have (on average 1.136094674556213) internal successors, (192), 175 states have internal predecessors, (192), 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) [2023-11-28 20:38:51,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 192 transitions. [2023-11-28 20:38:51,390 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 192 transitions. Word has length 59 [2023-11-28 20:38:51,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:51,391 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 192 transitions. [2023-11-28 20:38:51,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2023-11-28 20:38:51,391 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 192 transitions. [2023-11-28 20:38:51,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-28 20:38:51,392 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:51,392 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:51,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-28 20:38:51,392 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-28 20:38:51,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:51,393 INFO L85 PathProgramCache]: Analyzing trace with hash -25999324, now seen corresponding path program 1 times [2023-11-28 20:38:51,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:51,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649023002] [2023-11-28 20:38:51,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:51,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:51,509 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-28 20:38:51,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:51,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649023002] [2023-11-28 20:38:51,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649023002] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:38:51,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172972993] [2023-11-28 20:38:51,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:51,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:38:51,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:38:51,511 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:38:51,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-28 20:38:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:51,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 20:38:51,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:38:51,623 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-28 20:38:51,623 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:38:51,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172972993] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:38:51,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:38:51,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-28 20:38:51,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675865510] [2023-11-28 20:38:51,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:38:51,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:38:51,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:51,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:38:51,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:38:51,638 INFO L87 Difference]: Start difference. First operand 176 states and 192 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 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) [2023-11-28 20:38:51,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:51,778 INFO L93 Difference]: Finished difference Result 176 states and 192 transitions. [2023-11-28 20:38:51,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:38:51,779 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 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 62 [2023-11-28 20:38:51,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:51,780 INFO L225 Difference]: With dead ends: 176 [2023-11-28 20:38:51,780 INFO L226 Difference]: Without dead ends: 175 [2023-11-28 20:38:51,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:38:51,781 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 98 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:51,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 109 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:38:51,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-28 20:38:51,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2023-11-28 20:38:51,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 169 states have (on average 1.1301775147928994) internal successors, (191), 174 states have internal predecessors, (191), 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) [2023-11-28 20:38:51,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 191 transitions. [2023-11-28 20:38:51,786 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 191 transitions. Word has length 62 [2023-11-28 20:38:51,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:51,787 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 191 transitions. [2023-11-28 20:38:51,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 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) [2023-11-28 20:38:51,787 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 191 transitions. [2023-11-28 20:38:51,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-28 20:38:51,787 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:51,788 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:51,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-28 20:38:51,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-28 20:38:51,989 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-28 20:38:51,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:51,989 INFO L85 PathProgramCache]: Analyzing trace with hash -805978845, now seen corresponding path program 1 times [2023-11-28 20:38:51,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:51,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207052734] [2023-11-28 20:38:51,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:51,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:52,127 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-28 20:38:52,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:52,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207052734] [2023-11-28 20:38:52,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207052734] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:38:52,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101540308] [2023-11-28 20:38:52,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:52,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:38:52,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:38:52,129 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:38:52,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-28 20:38:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:52,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 20:38:52,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:38:52,268 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-28 20:38:52,268 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:38:52,326 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-28 20:38:52,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101540308] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:38:52,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 20:38:52,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-28 20:38:52,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666947550] [2023-11-28 20:38:52,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 20:38:52,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-28 20:38:52,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:52,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-28 20:38:52,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-28 20:38:52,329 INFO L87 Difference]: Start difference. First operand 175 states and 191 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 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) [2023-11-28 20:38:52,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:52,644 INFO L93 Difference]: Finished difference Result 197 states and 218 transitions. [2023-11-28 20:38:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-28 20:38:52,644 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 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) Word has length 63 [2023-11-28 20:38:52,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:52,646 INFO L225 Difference]: With dead ends: 197 [2023-11-28 20:38:52,646 INFO L226 Difference]: Without dead ends: 196 [2023-11-28 20:38:52,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-28 20:38:52,647 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 160 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:52,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 199 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-28 20:38:52,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-11-28 20:38:52,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2023-11-28 20:38:52,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 190 states have (on average 1.131578947368421) internal successors, (215), 195 states have internal predecessors, (215), 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) [2023-11-28 20:38:52,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 215 transitions. [2023-11-28 20:38:52,659 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 215 transitions. Word has length 63 [2023-11-28 20:38:52,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:52,659 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 215 transitions. [2023-11-28 20:38:52,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 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) [2023-11-28 20:38:52,660 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 215 transitions. [2023-11-28 20:38:52,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-28 20:38:52,660 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:52,661 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:52,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-28 20:38:52,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-28 20:38:52,862 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-28 20:38:52,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:52,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1090953109, now seen corresponding path program 2 times [2023-11-28 20:38:52,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:52,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974548126] [2023-11-28 20:38:52,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:52,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:53,192 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-28 20:38:53,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:53,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974548126] [2023-11-28 20:38:53,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974548126] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:38:53,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067726130] [2023-11-28 20:38:53,192 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-28 20:38:53,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:38:53,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:38:53,194 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:38:53,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-28 20:38:53,276 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-28 20:38:53,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-28 20:38:53,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 20:38:53,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:38:53,585 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-28 20:38:53,585 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:38:53,752 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-28 20:38:53,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067726130] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:38:53,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 20:38:53,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 2] total 7 [2023-11-28 20:38:53,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888630499] [2023-11-28 20:38:53,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 20:38:53,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-28 20:38:53,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:53,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-28 20:38:53,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-28 20:38:53,755 INFO L87 Difference]: Start difference. First operand 196 states and 215 transitions. Second operand has 9 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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) [2023-11-28 20:38:53,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:53,873 INFO L93 Difference]: Finished difference Result 196 states and 215 transitions. [2023-11-28 20:38:53,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:38:53,873 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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 65 [2023-11-28 20:38:53,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:53,875 INFO L225 Difference]: With dead ends: 196 [2023-11-28 20:38:53,875 INFO L226 Difference]: Without dead ends: 192 [2023-11-28 20:38:53,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 123 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:38:53,876 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 176 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:53,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 25 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:38:53,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2023-11-28 20:38:53,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 135. [2023-11-28 20:38:53,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 133 states have (on average 1.105263157894737) internal successors, (147), 134 states have internal predecessors, (147), 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) [2023-11-28 20:38:53,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 147 transitions. [2023-11-28 20:38:53,886 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 147 transitions. Word has length 65 [2023-11-28 20:38:53,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:53,886 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 147 transitions. [2023-11-28 20:38:53,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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) [2023-11-28 20:38:53,886 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 147 transitions. [2023-11-28 20:38:53,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-28 20:38:53,887 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:53,888 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:53,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-28 20:38:54,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-28 20:38:54,089 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-28 20:38:54,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:54,089 INFO L85 PathProgramCache]: Analyzing trace with hash 681525245, now seen corresponding path program 1 times [2023-11-28 20:38:54,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:54,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798090238] [2023-11-28 20:38:54,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:54,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:54,170 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-28 20:38:54,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:54,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798090238] [2023-11-28 20:38:54,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798090238] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:38:54,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:38:54,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:38:54,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665333958] [2023-11-28 20:38:54,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:38:54,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:38:54,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:54,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:38:54,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:38:54,172 INFO L87 Difference]: Start difference. First operand 135 states and 147 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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) [2023-11-28 20:38:54,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:54,265 INFO L93 Difference]: Finished difference Result 140 states and 153 transitions. [2023-11-28 20:38:54,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:38:54,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 81 [2023-11-28 20:38:54,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:54,266 INFO L225 Difference]: With dead ends: 140 [2023-11-28 20:38:54,267 INFO L226 Difference]: Without dead ends: 139 [2023-11-28 20:38:54,267 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 [2023-11-28 20:38:54,267 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 41 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:54,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 63 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:38:54,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-11-28 20:38:54,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 93. [2023-11-28 20:38:54,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.108695652173913) internal successors, (102), 92 states have internal predecessors, (102), 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) [2023-11-28 20:38:54,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 102 transitions. [2023-11-28 20:38:54,274 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 102 transitions. Word has length 81 [2023-11-28 20:38:54,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:54,274 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 102 transitions. [2023-11-28 20:38:54,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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) [2023-11-28 20:38:54,275 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2023-11-28 20:38:54,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-28 20:38:54,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:54,276 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:54,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-28 20:38:54,276 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2023-11-28 20:38:54,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:54,276 INFO L85 PathProgramCache]: Analyzing trace with hash -262803255, now seen corresponding path program 2 times [2023-11-28 20:38:54,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:54,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7990366] [2023-11-28 20:38:54,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:54,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:55,127 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 48 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-28 20:38:55,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:55,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7990366] [2023-11-28 20:38:55,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7990366] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:38:55,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219682131] [2023-11-28 20:38:55,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-28 20:38:55,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:38:55,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:38:55,129 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:38:55,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-28 20:38:55,237 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-28 20:38:55,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-28 20:38:55,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:38:55,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:38:55,436 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-28 20:38:55,436 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:38:55,577 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-28 20:38:55,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219682131] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:38:55,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 20:38:55,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 3, 3] total 20 [2023-11-28 20:38:55,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254251382] [2023-11-28 20:38:55,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 20:38:55,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-28 20:38:55,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:55,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-28 20:38:55,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2023-11-28 20:38:55,579 INFO L87 Difference]: Start difference. First operand 93 states and 102 transitions. Second operand has 20 states, 20 states have (on average 7.05) internal successors, (141), 20 states have internal predecessors, (141), 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) [2023-11-28 20:38:56,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:56,292 INFO L93 Difference]: Finished difference Result 234 states and 256 transitions. [2023-11-28 20:38:56,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-28 20:38:56,292 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.05) internal successors, (141), 20 states have internal predecessors, (141), 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 84 [2023-11-28 20:38:56,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:56,292 INFO L225 Difference]: With dead ends: 234 [2023-11-28 20:38:56,293 INFO L226 Difference]: Without dead ends: 0 [2023-11-28 20:38:56,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 163 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=270, Invalid=990, Unknown=0, NotChecked=0, Total=1260 [2023-11-28 20:38:56,295 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 545 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:56,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 165 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-28 20:38:56,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-28 20:38:56,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-28 20:38:56,296 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) [2023-11-28 20:38:56,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-28 20:38:56,296 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2023-11-28 20:38:56,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:56,296 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-28 20:38:56,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.05) internal successors, (141), 20 states have internal predecessors, (141), 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) [2023-11-28 20:38:56,297 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-28 20:38:56,297 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-28 20:38:56,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2023-11-28 20:38:56,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2023-11-28 20:38:56,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2023-11-28 20:38:56,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2023-11-28 20:38:56,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2023-11-28 20:38:56,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2023-11-28 20:38:56,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2023-11-28 20:38:56,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2023-11-28 20:38:56,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2023-11-28 20:38:56,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2023-11-28 20:38:56,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2023-11-28 20:38:56,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2023-11-28 20:38:56,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2023-11-28 20:38:56,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2023-11-28 20:38:56,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2023-11-28 20:38:56,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2023-11-28 20:38:56,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2023-11-28 20:38:56,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2023-11-28 20:38:56,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2023-11-28 20:38:56,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2023-11-28 20:38:56,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 42 remaining) [2023-11-28 20:38:56,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 42 remaining) [2023-11-28 20:38:56,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2023-11-28 20:38:56,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2023-11-28 20:38:56,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2023-11-28 20:38:56,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2023-11-28 20:38:56,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2023-11-28 20:38:56,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2023-11-28 20:38:56,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2023-11-28 20:38:56,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2023-11-28 20:38:56,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2023-11-28 20:38:56,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2023-11-28 20:38:56,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2023-11-28 20:38:56,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2023-11-28 20:38:56,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2023-11-28 20:38:56,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2023-11-28 20:38:56,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2023-11-28 20:38:56,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2023-11-28 20:38:56,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2023-11-28 20:38:56,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2023-11-28 20:38:56,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2023-11-28 20:38:56,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2023-11-28 20:38:56,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-28 20:38:56,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-28 20:38:56,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-28 20:38:56,681 INFO L899 garLoopResultBuilder]: For program point L35-2(line 35) no Hoare annotation was computed. [2023-11-28 20:38:56,681 INFO L899 garLoopResultBuilder]: For program point L35-3(line 35) no Hoare annotation was computed. [2023-11-28 20:38:56,681 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2023-11-28 20:38:56,681 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-28 20:38:56,681 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2023-11-28 20:38:56,682 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 38) no Hoare annotation was computed. [2023-11-28 20:38:56,682 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:38:56,682 INFO L899 garLoopResultBuilder]: For program point L27-5(line 27) no Hoare annotation was computed. [2023-11-28 20:38:56,682 INFO L899 garLoopResultBuilder]: For program point L27-6(line 27) no Hoare annotation was computed. [2023-11-28 20:38:56,682 INFO L895 garLoopResultBuilder]: At program point L27-7(lines 27 38) the Hoare annotation is: (let ((.cse2 (div ~CELLCOUNT~0 2))) (let ((.cse0 (<= ~CELLCOUNT~0 2147483647)) (.cse1 (= ~CELLCOUNT~0 (* .cse2 2)))) (or (and (<= 2 ~CELLCOUNT~0) .cse0 .cse1 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (and (= |ULTIMATE.start_main_~i~0#1| 1) .cse0 .cse1 (<= 1 .cse2))))) [2023-11-28 20:38:56,682 INFO L899 garLoopResultBuilder]: For program point L27-8(lines 27 38) no Hoare annotation was computed. [2023-11-28 20:38:56,682 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-28 20:38:56,683 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:38:56,683 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:38:56,683 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-11-28 20:38:56,683 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2023-11-28 20:38:56,683 INFO L899 garLoopResultBuilder]: For program point L44-2(line 44) no Hoare annotation was computed. [2023-11-28 20:38:56,683 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 13 59) no Hoare annotation was computed. [2023-11-28 20:38:56,683 INFO L899 garLoopResultBuilder]: For program point L44-3(line 44) no Hoare annotation was computed. [2023-11-28 20:38:56,684 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-28 20:38:56,684 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2023-11-28 20:38:56,684 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:38:56,684 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-28 20:38:56,684 INFO L899 garLoopResultBuilder]: For program point L53-3(line 53) no Hoare annotation was computed. [2023-11-28 20:38:56,684 INFO L899 garLoopResultBuilder]: For program point L53-4(line 53) no Hoare annotation was computed. [2023-11-28 20:38:56,684 INFO L895 garLoopResultBuilder]: At program point L53-5(lines 53 56) the Hoare annotation is: (let ((.cse0 (<= 2 ~CELLCOUNT~0)) (.cse1 (<= ~CELLCOUNT~0 2147483647)) (.cse2 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 2) 2)))) (or (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 .cse2) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 .cse2))) [2023-11-28 20:38:56,685 INFO L899 garLoopResultBuilder]: For program point L53-6(lines 53 56) no Hoare annotation was computed. [2023-11-28 20:38:56,685 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:38:56,685 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-28 20:38:56,685 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-11-28 20:38:56,685 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2023-11-28 20:38:56,685 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2023-11-28 20:38:56,685 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2023-11-28 20:38:56,685 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2023-11-28 20:38:56,685 INFO L899 garLoopResultBuilder]: For program point L37-4(line 37) no Hoare annotation was computed. [2023-11-28 20:38:56,686 INFO L899 garLoopResultBuilder]: For program point L37-5(line 37) no Hoare annotation was computed. [2023-11-28 20:38:56,686 INFO L899 garLoopResultBuilder]: For program point L37-6(line 37) no Hoare annotation was computed. [2023-11-28 20:38:56,686 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 36) no Hoare annotation was computed. [2023-11-28 20:38:56,686 INFO L899 garLoopResultBuilder]: For program point L29-2(lines 29 36) no Hoare annotation was computed. [2023-11-28 20:38:56,686 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:38:56,686 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-28 20:38:56,686 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:38:56,686 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-28 20:38:56,686 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-28 20:38:56,687 INFO L899 garLoopResultBuilder]: For program point L5(lines 5 7) no Hoare annotation was computed. [2023-11-28 20:38:56,687 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2023-11-28 20:38:56,687 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2023-11-28 20:38:56,687 INFO L899 garLoopResultBuilder]: For program point L55-2(line 55) no Hoare annotation was computed. [2023-11-28 20:38:56,687 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2023-11-28 20:38:56,687 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:38:56,687 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-28 20:38:56,687 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2023-11-28 20:38:56,688 INFO L899 garLoopResultBuilder]: For program point L31(line 31) no Hoare annotation was computed. [2023-11-28 20:38:56,688 INFO L899 garLoopResultBuilder]: For program point L31-1(line 31) no Hoare annotation was computed. [2023-11-28 20:38:56,688 INFO L899 garLoopResultBuilder]: For program point L31-2(line 31) no Hoare annotation was computed. [2023-11-28 20:38:56,688 INFO L899 garLoopResultBuilder]: For program point L31-3(line 31) no Hoare annotation was computed. [2023-11-28 20:38:56,688 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2023-11-28 20:38:56,688 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2023-11-28 20:38:56,688 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2023-11-28 20:38:56,688 INFO L899 garLoopResultBuilder]: For program point L48-1(line 48) no Hoare annotation was computed. [2023-11-28 20:38:56,689 INFO L899 garLoopResultBuilder]: For program point L48-2(line 48) no Hoare annotation was computed. [2023-11-28 20:38:56,689 INFO L899 garLoopResultBuilder]: For program point L48-3(line 48) no Hoare annotation was computed. [2023-11-28 20:38:56,689 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:38:56,689 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:38:56,689 INFO L899 garLoopResultBuilder]: For program point L40-1(line 40) no Hoare annotation was computed. [2023-11-28 20:38:56,689 INFO L899 garLoopResultBuilder]: For program point L40-2(lines 40 51) no Hoare annotation was computed. [2023-11-28 20:38:56,690 INFO L899 garLoopResultBuilder]: For program point L40-5(line 40) no Hoare annotation was computed. [2023-11-28 20:38:56,690 INFO L899 garLoopResultBuilder]: For program point L40-6(line 40) no Hoare annotation was computed. [2023-11-28 20:38:56,690 INFO L895 garLoopResultBuilder]: At program point L40-7(lines 40 51) the Hoare annotation is: (let ((.cse2 (div ~CELLCOUNT~0 2))) (let ((.cse0 (<= ~CELLCOUNT~0 2147483647)) (.cse1 (= ~CELLCOUNT~0 (* .cse2 2)))) (or (and (<= 2 ~CELLCOUNT~0) .cse0 .cse1 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (and (= |ULTIMATE.start_main_~i~0#1| 1) .cse0 .cse1 (<= 1 .cse2))))) [2023-11-28 20:38:56,690 INFO L899 garLoopResultBuilder]: For program point L40-8(lines 40 51) no Hoare annotation was computed. [2023-11-28 20:38:56,690 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2023-11-28 20:38:56,690 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2023-11-28 20:38:56,691 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2023-11-28 20:38:56,691 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-28 20:38:56,691 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 57) no Hoare annotation was computed. [2023-11-28 20:38:56,691 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:38:56,691 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:38:56,691 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 57) no Hoare annotation was computed. [2023-11-28 20:38:56,691 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-28 20:38:56,691 INFO L899 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2023-11-28 20:38:56,692 INFO L899 garLoopResultBuilder]: For program point L8-3(line 8) no Hoare annotation was computed. [2023-11-28 20:38:56,692 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-28 20:38:56,692 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2023-11-28 20:38:56,692 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2023-11-28 20:38:56,692 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-28 20:38:56,692 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-11-28 20:38:56,692 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:38:56,693 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2023-11-28 20:38:56,693 INFO L899 garLoopResultBuilder]: For program point L50-2(line 50) no Hoare annotation was computed. [2023-11-28 20:38:56,693 INFO L899 garLoopResultBuilder]: For program point L50-3(line 50) no Hoare annotation was computed. [2023-11-28 20:38:56,693 INFO L899 garLoopResultBuilder]: For program point L50-4(line 50) no Hoare annotation was computed. [2023-11-28 20:38:56,693 INFO L899 garLoopResultBuilder]: For program point L50-5(line 50) no Hoare annotation was computed. [2023-11-28 20:38:56,693 INFO L899 garLoopResultBuilder]: For program point L50-6(line 50) no Hoare annotation was computed. [2023-11-28 20:38:56,693 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 49) no Hoare annotation was computed. [2023-11-28 20:38:56,694 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-28 20:38:56,694 INFO L899 garLoopResultBuilder]: For program point L42-2(lines 42 49) no Hoare annotation was computed. [2023-11-28 20:38:56,694 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-28 20:38:56,694 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2023-11-28 20:38:56,694 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:38:56,694 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-28 20:38:56,695 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-28 20:38:56,695 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-28 20:38:56,695 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-11-28 20:38:56,695 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed. [2023-11-28 20:38:56,699 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:56,702 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-28 20:38:56,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:38:56 BoogieIcfgContainer [2023-11-28 20:38:56,717 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-28 20:38:56,718 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 20:38:56,718 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 20:38:56,718 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 20:38:56,718 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:38:45" (3/4) ... [2023-11-28 20:38:56,720 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-28 20:38:56,730 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-28 20:38:56,731 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-28 20:38:56,731 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-28 20:38:56,732 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-28 20:38:56,732 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-28 20:38:56,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-28 20:38:56,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-28 20:38:56,843 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 20:38:56,844 INFO L158 Benchmark]: Toolchain (without parser) took 12055.06ms. Allocated memory was 199.2MB in the beginning and 287.3MB in the end (delta: 88.1MB). Free memory was 162.9MB in the beginning and 138.6MB in the end (delta: 24.3MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. [2023-11-28 20:38:56,845 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 20:38:56,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.48ms. Allocated memory is still 199.2MB. Free memory was 162.5MB in the beginning and 151.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-28 20:38:56,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.74ms. Allocated memory is still 199.2MB. Free memory was 151.6MB in the beginning and 149.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 20:38:56,846 INFO L158 Benchmark]: Boogie Preprocessor took 48.50ms. Allocated memory is still 199.2MB. Free memory was 149.4MB in the beginning and 147.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 20:38:56,846 INFO L158 Benchmark]: RCFGBuilder took 571.76ms. Allocated memory is still 199.2MB. Free memory was 147.4MB in the beginning and 127.7MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-28 20:38:56,847 INFO L158 Benchmark]: TraceAbstraction took 10977.37ms. Allocated memory was 199.2MB in the beginning and 287.3MB in the end (delta: 88.1MB). Free memory was 126.9MB in the beginning and 144.9MB in the end (delta: -18.1MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2023-11-28 20:38:56,847 INFO L158 Benchmark]: Witness Printer took 125.91ms. Allocated memory is still 287.3MB. Free memory was 144.9MB in the beginning and 138.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-28 20:38:56,849 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.48ms. Allocated memory is still 199.2MB. Free memory was 162.5MB in the beginning and 151.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.74ms. Allocated memory is still 199.2MB. Free memory was 151.6MB in the beginning and 149.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.50ms. Allocated memory is still 199.2MB. Free memory was 149.4MB in the beginning and 147.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 571.76ms. Allocated memory is still 199.2MB. Free memory was 147.4MB in the beginning and 127.7MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 10977.37ms. Allocated memory was 199.2MB in the beginning and 287.3MB in the end (delta: 88.1MB). Free memory was 126.9MB in the beginning and 144.9MB in the end (delta: -18.1MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. * Witness Printer took 125.91ms. Allocated memory is still 287.3MB. Free memory was 144.9MB in the beginning and 138.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * 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: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: 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, 104 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 10.9s, OverallIterations: 18, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2226 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2226 mSDsluCounter, 2043 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1155 mSDsCounter, 191 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3084 IncrementalHoareTripleChecker+Invalid, 3275 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 191 mSolverCounterUnsat, 888 mSDtfsCounter, 3084 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 827 GetRequests, 698 SyntacticMatches, 7 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=196occurred in iteration=15, InterpolantAutomatonStates: 107, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 136 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 18 NumberOfFragments, 109 HoareAnnotationTreeSize, 3 FomulaSimplifications, 278 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 204 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1144 NumberOfCodeBlocks, 1026 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1405 ConstructedInterpolants, 0 QuantifiedInterpolants, 4707 SizeOfPredicates, 13 NumberOfNonLiveVariables, 977 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 31 InterpolantComputations, 13 PerfectInterpolantSequences, 522/698 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 42 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((2 <= CELLCOUNT) && (CELLCOUNT <= 2147483647)) && (CELLCOUNT == ((CELLCOUNT / 2) * 2))) && (2 <= i)) || ((((i == 1) && (CELLCOUNT <= 2147483647)) && (CELLCOUNT == ((CELLCOUNT / 2) * 2))) && (1 <= (CELLCOUNT / 2)))) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((((1 <= i) && (2 <= CELLCOUNT)) && (CELLCOUNT <= 2147483647)) && (CELLCOUNT == ((CELLCOUNT / 2) * 2))) || ((((i == 0) && (2 <= CELLCOUNT)) && (CELLCOUNT <= 2147483647)) && (CELLCOUNT == ((CELLCOUNT / 2) * 2)))) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (((((2 <= CELLCOUNT) && (CELLCOUNT <= 2147483647)) && (CELLCOUNT == ((CELLCOUNT / 2) * 2))) && (2 <= i)) || ((((i == 1) && (CELLCOUNT <= 2147483647)) && (CELLCOUNT == ((CELLCOUNT / 2) * 2))) && (1 <= (CELLCOUNT / 2)))) RESULT: Ultimate proved your program to be correct! [2023-11-28 20:38:56,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412c18db-0ac0-4025-a055-ad6b7bf96880/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE